{ "dataset": "Rapid City, SD storm events — 12-month window, 25-mile radius (floods and special weather statements excluded, matching the city page)", "license": "https://www.stormauditor.com/data-license", "provenance": "Deduplicated by StormAuditor from public NOAA/NWS records (warnings, Local Storm Reports, NCEI Storm Events) under the published methodology at https://www.stormauditor.com/methodology", "refreshed_at": "2026-08-23T19:00:14.35+00:00", "window_days": 365, "event_count": 751, "fields": { "date": "Event date (YYYY-MM-DD, local storm day)", "county": "County or county-equivalent", "city": "Nearest city/place named in the source record", "event_type": "hazard tag: wind | hail | tornado | flood | lightning", "severity": "StormAuditor severity bucket (low|moderate|high|severe)", "evidence": "evidence level of the source record", "wind_mph": "reported/estimated wind gust, mph (blank if n/a)", "hail_in": "reported/estimated hail size, inches (blank if n/a)", "source": "originating public record (NWS warning, LSR, NCEI, ...)", "lat": "event latitude (WGS84, may be blank)", "lon": "event longitude (WGS84, may be blank)" }, "events": [ { "id": "spc-2026-08-18-hail-44.05-11", "lat": 44.05, "lon": -103.29, "zip": "", "city": "4 WSW Dwtn Rapid City", "date": "2026-08-18", "county": "Pennington", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.93, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "hail reported near 4 WSW Dwtn Rapid City", "sourceDetail": "SPC filtered reports — 2026-08-18", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-18-hail-44.02--103.29", "lat": 44.02, "lon": -103.29, "zip": "", "city": "5 SW Dwtn Rapid City", "date": "2026-08-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report sent to media livestream then relayed via Slack", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-18-hail-44.03--103.27", "lat": 44.03, "lon": -103.27, "zip": "", "city": "4 SSW Dwtn Rapid City", "date": "2026-08-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report sent to media livestream then relayed via Slack.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-18-hail-44.02--103.30", "lat": 44.02, "lon": -103.3, "zip": "", "city": "5 NE Rockerville", "date": "2026-08-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report sent to media livestream then relayed via Slack.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-18-hail-44.02--103.25", "lat": 44.02, "lon": -103.25, "zip": "", "city": "5 SSW Dwtn Rapid City", "date": "2026-08-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report sent to media livestream then relayed via Slack.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-18-hail-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-08-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-08-18-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-08-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-18-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-08-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-18-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-08-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-RAP-2026-08-18-90770", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-08-18", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-16-hail-44.15--103.35", "lat": 44.15, "lon": -103.35, "zip": "", "city": "2 W Black Hawk", "date": "2026-08-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING report", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-08-16-hail-44.10--103.26", "lat": 44.1, "lon": -103.26, "zip": "", "city": "2 NW Dwtn Rapid City", "date": "2026-08-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Via Spotter Network.", "sourceDetail": "NWS UNR — Storm Chaser via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-08-11-hail-44.20--103.51", "lat": 44.2, "lon": -103.51, "zip": "", "city": "1 NNW Nemo", "date": "2026-08-11", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 NNW Nemo", "sourceDetail": "NWS UNR — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-11-hail-44.15--103.35", "lat": 44.15, "lon": -103.35, "zip": "", "city": "2 W Black Hawk", "date": "2026-08-11", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 W Black Hawk", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-11-hail-44.13--103.41", "lat": 44.13, "lon": -103.41, "zip": "", "city": "4 NNE Johnson Siding", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Hail ranged from pea size to 2 inches in diameter. Dented vehicles and shredded leaves reported.", "sourceDetail": "NWS UNR — CoCoRaHS via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-08-11-hail-44.12--103.46", "lat": 44.12, "lon": -103.46, "zip": "", "city": "3 NNW Johnson Siding", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Along Bogus Jim Rd. Photo via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.5 }, { "id": "iem-lsr-2026-08-11-hail-44.13--103.41", "lat": 44.13, "lon": -103.41, "zip": "", "city": "3 NNE Johnson Siding", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Near the intersection of Nemo Rd and Norris Peak Rd. Photo via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-08-11-hail-44.13--103.43", "lat": 44.13, "lon": -103.43, "zip": "", "city": "4 N Johnson Siding", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 4 N Johnson Siding", "sourceDetail": "NWS UNR — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-08-11-hail-44.12--103.36", "lat": 44.12, "lon": -103.36, "zip": "", "city": "4 ENE Johnson Siding", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Miller Flats area. Photo via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-08-11-hail-44.15--103.35", "lat": 44.15, "lon": -103.35, "zip": "", "city": "2 W Black Hawk", "date": "2026-08-11", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 W Black Hawk", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-11-hail-44.12--103.28", "lat": 44.12, "lon": -103.28, "zip": "", "city": "4 NW Dwtn Rapid City", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Also receiving very heavy rain. Exit 55", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-08-11-hail-43.98--103.33", "lat": 43.98, "lon": -103.33, "zip": "", "city": "2 NE Rockerville", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Behind Old MacDonalds Farm. Hail lightly covered the ground. Photo via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-08-11-hail-43.96--103.36", "lat": 43.96, "lon": -103.36, "zip": "", "city": "Rockerville", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near Rockerville", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.5 }, { "id": "iem-lsr-2026-08-11-hail-43.98--103.30", "lat": 43.98, "lon": -103.3, "zip": "", "city": "3 ENE Rockerville", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "At Bear Country USA. Hail covered the ground. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-08-11-hail-43.96--103.36", "lat": 43.96, "lon": -103.36, "zip": "", "city": "Rockerville", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Numerous broken windshields reported. Hail covered the ground and roads. Photo and report via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-08-11-hail-43.94--103.36", "lat": 43.94, "lon": -103.36, "zip": "", "city": "1 S Rockerville", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.5 }, { "id": "iem-lsr-2026-08-11-hail-43.94--103.35", "lat": 43.94, "lon": -103.35, "zip": "", "city": "2 SSE Rockerville", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via NWS Cheyenne. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-08-11-hail-43.93--103.30", "lat": 43.93, "lon": -103.3, "zip": "", "city": "3 ESE Rockerville", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Along Hart Ranch Rd W. Photo received via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3 }, { "id": "iem-lsr-2026-08-11-hail-43.87--103.31", "lat": 43.87, "lon": -103.31, "zip": "", "city": "1 E Hayward", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated based on radar.", "sourceDetail": "NWS UNR — Broadcast Media via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.75 }, { "id": "iem-lsr-2026-08-11-hail-43.89--103.32", "lat": 43.89, "lon": -103.32, "zip": "", "city": "1 NNE Hayward", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Reported on Rushmore Ranch Rd. Photo via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3 }, { "id": "iem-lsr-2026-08-11-hail-43.86--103.30", "lat": 43.86, "lon": -103.3, "zip": "", "city": "5 WNW Hermosa", "date": "2026-08-11", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Updated. Hail lasted for 10-15 minutes. 3 skylights were broken.", "sourceDetail": "NWS UNR — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.75 }, { "id": "iem-lsr-2026-08-11-hail-43.86--103.27", "lat": 43.86, "lon": -103.27, "zip": "", "city": "4 WNW Hermosa", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Along Highway 40. Photo via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3 }, { "id": "iem-lsr-2026-08-11-hail-43.84--103.27", "lat": 43.84, "lon": -103.27, "zip": "", "city": "4 W Hermosa", "date": "2026-08-11", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Hail lasted for 15 minutes. Broken glass_ downspouts and gutters_ carport destroyed.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3.25 }, { "id": "iem-lsr-2026-08-11-hail-43.83--103.13", "lat": 43.83, "lon": -103.13, "zip": "", "city": "3 ESE Hermosa", "date": "2026-08-11", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Via Spotter Network.", "sourceDetail": "NWS UNR — Storm Chaser via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-11-hail-43.84--103.19", "lat": 43.84, "lon": -103.19, "zip": "", "city": "Hermosa", "date": "2026-08-11", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via broadcast media. Time estimated based on report and radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-08-11-hail-43.84--103.19", "lat": 43.84, "lon": -103.19, "zip": "", "city": "Hermosa", "date": "2026-08-11", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photos via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3.5 }, { "id": "iem-lsr-2026-08-11-hail-43.82--103.22", "lat": 43.82, "lon": -103.22, "zip": "", "city": "2 SW Hermosa", "date": "2026-08-11", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Along Highway 36. Photo via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3 }, { "id": "iem-lsr-2026-08-11-hail-43.83--103.20", "lat": 43.83, "lon": -103.2, "zip": "", "city": "1 SSW Hermosa", "date": "2026-08-11", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Measured near the intersection of Highway 36 and Highway 79. Time estimated based on report and radar.", "sourceDetail": "NWS UNR — Broadcast Media via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.25 }, { "id": "iem-lsr-2026-08-11-hail-43.80--103.22", "lat": 43.8, "lon": -103.22, "zip": "", "city": "3 SSW Hermosa", "date": "2026-08-11", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Measured along Highway 79. Via Spotter Network. Time adjusted based on radar.", "sourceDetail": "NWS UNR — Storm Chaser via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3.4 }, { "id": "iem-lsr-2026-08-11-hail-43.81--103.21", "lat": 43.81, "lon": -103.21, "zip": "", "city": "2 SSW Hermosa", "date": "2026-08-11", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Measured along Highway 79 a bit further north than previous report. Via Spotter Network. Time estimated based on radar.", "sourceDetail": "NWS UNR — Storm Chaser via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3.6 }, { "id": "iem-lsr-2026-08-11-hail-43.84--103.33", "lat": 43.84, "lon": -103.33, "zip": "", "city": "7 W Hermosa", "date": "2026-08-11", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Measured with a tape measure. Cars reported severely damaged. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3 }, { "id": "iem-lsr-2026-08-11-hail-44.14--103.59", "lat": 44.14, "lon": -103.59, "zip": "", "city": "6 SW Nemo", "date": "2026-08-11", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "1 mile west of Merritt. Photo via social media. Time estimated based on report and radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-11-hail-43.95--103.63", "lat": 43.95, "lon": -103.63, "zip": "", "city": "3 WNW Hill City", "date": "2026-08-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 3 WNW Hill City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-10-hail-44.05--103.55", "lat": 44.05, "lon": -103.55, "zip": "", "city": "3 SSE Silver City", "date": "2026-08-10", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated based on radar.", "sourceDetail": "NWS UNR — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-10-hail-44.06--103.49", "lat": 44.06, "lon": -103.49, "zip": "", "city": "1 ESE Pactola Resv", "date": "2026-08-10", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Near Pactola north of the main storm core. Report and photo via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-10-hail-44.02--103.48", "lat": 44.02, "lon": -103.48, "zip": "", "city": "3 N Sheridan Lake", "date": "2026-08-10", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING report", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-08-03-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 SE Dwtn Rapid City", "date": "2026-08-03", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 SE Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-03-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-08-03", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-03-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-08-03", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-03-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-08-03", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "asos-RAP-2026-08-03-9660", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-08-03", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 56 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-RAP-2026-08-03-9883", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-08-03", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 51 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-30-wind-43.91--103.15", "lat": 43.91, "lon": -103.15, "zip": "", "city": "10 ENE Hayward", "date": "2026-07-30", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-29-wind-44.24--103.41", "lat": 44.24, "lon": -103.41, "zip": "", "city": "1 WNW Piedmont", "date": "2026-07-29", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station on the west side of Piedmont.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-29-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2026-07-29", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-29-wind-44.23--103.04", "lat": 44.23, "lon": -103.04, "zip": "", "city": "7 NNE Ellsworth AFB", "date": "2026-07-29", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 7 NNE Ellsworth AFB", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-29-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-07-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-29-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-07-29", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-29-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-07-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-29-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-07-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-29-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-07-29", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-29-wind-44.05--102.97", "lat": 44.05, "lon": -102.97, "zip": "", "city": "4 N Caputa", "date": "2026-07-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station along 154th Ave.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-29-wind-44.10--103.04", "lat": 44.1, "lon": -103.04, "zip": "", "city": "2 SE Box Elder", "date": "2026-07-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-29-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-07-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-29-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-07-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-29-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-07-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-29-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-07-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-29-wind-43.76--103.30", "lat": 43.76, "lon": -103.3, "zip": "", "city": "7 NW Fairburn", "date": "2026-07-29", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "asos-RAP-2026-07-29-4666", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-07-29", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 55 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-RAP-2026-07-29-4729", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-07-29", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 67 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP)", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-28-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-07-28", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-28-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-07-28", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-27-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-07-27", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-44.15--103.10", "lat": 44.15, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-07-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "asos-RCA-2026-07-25-14679", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-07-25", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 55 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-08-hail-43.84--103.54", "lat": 43.84, "lon": -103.54, "zip": "", "city": "6 NNE Custer", "date": "2026-07-08", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING report", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-07-07-hail-44.22--103.38", "lat": 44.22, "lon": -103.38, "zip": "", "city": "1 SE Piedmont", "date": "2026-07-07", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 SE Piedmont", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-07-07-hail-44.23--103.36", "lat": 44.23, "lon": -103.36, "zip": "", "city": "1 ESE Piedmont", "date": "2026-07-07", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Estimated from video along Elk Creek Rd. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-07-07-hail-44.20--103.34", "lat": 44.2, "lon": -103.34, "zip": "", "city": "1 N Summerset", "date": "2026-07-07", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-07-hail-44.20--103.36", "lat": 44.2, "lon": -103.36, "zip": "", "city": "2 NNW Summerset", "date": "2026-07-07", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Reported at Stagebarn Middle School. Photo via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-03-hail-44.11--103.53", "lat": 44.11, "lon": -103.53, "zip": "", "city": "2 NE Silver City", "date": "2026-07-03", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 NE Silver City", "sourceDetail": "NWS UNR — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-07-03-hail-43.95--103.33", "lat": 43.95, "lon": -103.33, "zip": "", "city": "2 SE Rockerville", "date": "2026-07-03", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 SE Rockerville", "sourceDetail": "NWS UNR — Fire Dept/Rescue via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-07-03-hail-43.97--103.63", "lat": 43.97, "lon": -103.63, "zip": "", "city": "4 NW Hill City", "date": "2026-07-03", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report and photo submitted via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-03-hail-43.94--103.57", "lat": 43.94, "lon": -103.57, "zip": "", "city": "1 NNE Hill City", "date": "2026-07-03", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING report", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-07-03-hail-43.93--103.57", "lat": 43.93, "lon": -103.57, "zip": "", "city": "Hill City", "date": "2026-07-03", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo submitted via Facebook.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-07-03-hail-43.89--103.44", "lat": 43.89, "lon": -103.44, "zip": "", "city": "1 ENE Mount Rushmore", "date": "2026-07-03", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "delayed report", "sourceDetail": "NWS UNR — Emergency Mngr via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-07-03-hail-43.88--103.45", "lat": 43.88, "lon": -103.45, "zip": "", "city": "Mount Rushmore", "date": "2026-07-03", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Nickel size hail falling at Mount Rushmore.", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-07-03-hail-43.77--103.40", "lat": 43.77, "lon": -103.4, "zip": "", "city": "10 E Custer", "date": "2026-07-03", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 10 E Custer", "sourceDetail": "NWS UNR — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-02-hail-44.09--103.18", "lat": 44.09, "lon": -103.18, "zip": "", "city": "2 ENE Dwtn Rapid City", "date": "2026-07-02", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING report", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-07-02-hail-44.23--103.04", "lat": 44.23, "lon": -103.04, "zip": "", "city": "7 NNE Ellsworth AFB", "date": "2026-07-02", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 7 NNE Ellsworth AFB", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-02-hail-44.12--102.91", "lat": 44.12, "lon": -102.91, "zip": "", "city": "4 WNW New Underwood", "date": "2026-07-02", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Reported via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-07-02-hail-44.14--102.83", "lat": 44.14, "lon": -102.83, "zip": "", "city": "3 N New Underwood", "date": "2026-07-02", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Reported via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-07-02-hail-44.00--103.31", "lat": 44, "lon": -103.31, "zip": "", "city": "4 NE Rockerville", "date": "2026-07-02", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING report", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-07-02-hail-44.00--103.31", "lat": 44, "lon": -103.31, "zip": "", "city": "4 NE Rockerville", "date": "2026-07-02", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING report", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-02-hail-44.02--103.29", "lat": 44.02, "lon": -103.29, "zip": "", "city": "5 SW Dwtn Rapid City", "date": "2026-07-02", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING report", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-07-02-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-07-02", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-02-wind-44.12--103.17", "lat": 44.12, "lon": -103.17, "zip": "", "city": "4 NE Dwtn Rapid City", "date": "2026-07-02", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-02-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-07-02", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 86, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-02-wind-44.24--102.83", "lat": 44.24, "lon": -102.83, "zip": "", "city": "10 SSE Hereford", "date": "2026-07-02", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 10 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-02-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-07-02", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-02-wind-44.05--102.97", "lat": 44.05, "lon": -102.97, "zip": "", "city": "4 N Caputa", "date": "2026-07-02", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-02-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-07-02", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-07-02", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-07-02", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-01-hail-44.16--103.23", "lat": 44.16, "lon": -103.23, "zip": "", "city": "4 ENE Black Hawk", "date": "2026-07-01", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Mainly pea to dime.", "sourceDetail": "NWS UNR — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-06-29-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-06-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-29-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2026-06-29", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-29-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-06-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-29-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-06-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-29-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 SE Dwtn Rapid City", "date": "2026-06-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 SE Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-29-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-06-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-29-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-06-29", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-29-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-06-29", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "asos-bf-RAP-2026-06-29", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-06-29", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 59 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-27-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-06-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-27-wind-44.04--103.30", "lat": 44.04, "lon": -103.3, "zip": "", "city": "4 SW Dwtn Rapid City", "date": "2026-06-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-27-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-06-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-27-wind-44.02--103.28", "lat": 44.02, "lon": -103.28, "zip": "", "city": "5 SW Dwtn Rapid City", "date": "2026-06-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-27-wind-44.09--103.29", "lat": 44.09, "lon": -103.29, "zip": "", "city": "3 W Dwtn Rapid City", "date": "2026-06-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-27-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-06-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-27-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-06-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-27-wind-44.10--103.04", "lat": 44.1, "lon": -103.04, "zip": "", "city": "2 SE Box Elder", "date": "2026-06-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a personal weather station.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-27-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-06-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-27-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-06-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-27-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-06-27", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-27-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-06-27", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-06-27", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-06-27", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 61 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-26-hail-44.23--102.82", "lat": 44.23, "lon": -102.82, "zip": "", "city": "11 SSE Hereford", "date": "2026-06-26", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report sumbitted via Facebook.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-26-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-06-26", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 72, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-26-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-06-26", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-26-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 SE Dwtn Rapid City", "date": "2026-06-26", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 SE Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-26-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-06-26", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-26-wind-44.15--103.10", "lat": 44.15, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-06-26", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-26-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-06-26", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-26-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-06-26", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-26-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-06-26", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-26-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-06-26", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-26-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-06-26", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-26-wind-44.23--103.04", "lat": 44.23, "lon": -103.04, "zip": "", "city": "7 NNE Ellsworth AFB", "date": "2026-06-26", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 7 NNE Ellsworth AFB", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "asos-bf-RAP-2026-06-26", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-06-26", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-06-26", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-06-26", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 60 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-22-hail-44.19--103.50", "lat": 44.19, "lon": -103.5, "zip": "", "city": "Nemo", "date": "2026-06-22", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Hail covered the ground to a depth of over 1 inch. Largest stones estimated at ping pong ball size. Time estimated based on radar.", "sourceDetail": "NWS UNR — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-06-22-hail-44.07--103.27", "lat": 44.07, "lon": -103.27, "zip": "", "city": "2 WSW Dwtn Rapid City", "date": "2026-06-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 WSW Dwtn Rapid City", "sourceDetail": "NWS UNR — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-06-22-hail-44.07--103.28", "lat": 44.07, "lon": -103.28, "zip": "", "city": "3 WSW Dwtn Rapid City", "date": "2026-06-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Hail of at least quarter size covered the ground near Dew Drop Laundromat. Photos and videos recieved via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-22-hail-44.06--103.28", "lat": 44.06, "lon": -103.28, "zip": "", "city": "3 WSW Dwtn Rapid City", "date": "2026-06-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Via Spotter Network.", "sourceDetail": "NWS UNR — Storm Chaser via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-06-22-hail-44.07--103.25", "lat": 44.07, "lon": -103.25, "zip": "", "city": "2 SW Dwtn Rapid City", "date": "2026-06-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Between Skyline Dr and the Mountain View Cemetary area. Some stones still quarter size an hour after the storm. Time estimated.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-22-hail-44.08--103.23", "lat": 44.08, "lon": -103.23, "zip": "", "city": "Dwtn Rapid City", "date": "2026-06-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Several social media reports and photos of hail as large as nickels and quarters across Rapid City. Time estimated.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-22-hail-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-06-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "At NWS Rapid City office.", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-22-hail-44.05--103.21", "lat": 44.05, "lon": -103.21, "zip": "", "city": "3 SSE Dwtn Rapid City", "date": "2026-06-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Hail estimated at nickel size on the south side of Rapid City near the Parkview Softball Complex. Photo via social media. Time estimated.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-06-22-hail-44.05--103.21", "lat": 44.05, "lon": -103.21, "zip": "", "city": "2 SSE Dwtn Rapid City", "date": "2026-06-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING report.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-17-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 SE Dwtn Rapid City", "date": "2026-06-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 SE Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-17-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-06-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-17-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-06-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-17-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-06-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-17-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-06-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-17-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-06-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-17-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-06-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-17-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-06-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "asos-bf-RAP-2026-06-17", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-06-17", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-09-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-06-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-09-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-06-09", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-09-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-06-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-06-09", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-06-09", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 55 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-08-wind-44.05--103.06", "lat": 44.05, "lon": -103.06, "zip": "", "city": "Rapid City Arpt", "date": "2026-06-08", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-08-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-06-08", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-08-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-06-08", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "asos-bf-RAP-2026-06-08", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-06-08", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-06-07", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-06-07", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 57 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-04-hail-43.93--103.57", "lat": 43.93, "lon": -103.57, "zip": "", "city": "Hill City", "date": "2026-06-04", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo via social media. Time estimated based on radar.", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-06-04-hail-43.93--103.55", "lat": 43.93, "lon": -103.55, "zip": "", "city": "1 E Hill City", "date": "2026-06-04", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 E Hill City", "sourceDetail": "NWS UNR — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-06-04-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-06-04", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-04-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-06-04", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-05-26-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-05-26", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-21-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-05-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-03-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-05-03", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-23-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-04-23", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-23-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-04-23", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-23-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-04-23", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-04-23", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-04-23", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 54 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-04-23", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-04-23", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 54 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-22-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-04-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-22-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-04-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-22-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-04-22", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-22-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-04-22", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-22-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-04-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-22-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-04-22", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-22-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-04-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-22-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-04-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-22-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-04-22", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-22-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-04-22", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-22-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-04-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-22-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-04-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-22-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-04-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-22-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-04-22", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-22-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-04-22", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-22-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-04-22", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-22-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-04-22", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-04-22", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-04-22", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 52 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-04-22", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-04-22", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-16-wind-43.90--103.16", "lat": 43.9, "lon": -103.16, "zip": "", "city": "9 ENE Hayward", "date": "2026-04-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 9 ENE Hayward", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-16-wind-43.90--103.16", "lat": 43.9, "lon": -103.16, "zip": "", "city": "9 ENE Hayward", "date": "2026-04-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 9 ENE Hayward", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-16-wind-43.90--103.16", "lat": 43.9, "lon": -103.16, "zip": "", "city": "9 ENE Hayward", "date": "2026-04-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 9 ENE Hayward", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-16-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-04-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-16-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-04-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-16-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-04-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-16-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-04-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-16-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-04-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-16-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-04-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-04-16", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-04-16", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-04-16", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-04-16", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 59 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-04-14", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-04-14", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 50 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-13-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2026-04-13", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-13-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2026-04-13", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-08-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-04-08", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-08-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-04-08", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-08-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-04-08", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-08-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-04-08", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-08-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-04-08", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-04-08", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-04-08", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 58 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-04-08", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-04-08", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 56 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-04-07", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-04-07", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 60 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-04-07", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-04-07", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 52 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-30-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 SE Dwtn Rapid City", "date": "2026-03-30", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 SE Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-21-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-03-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-21-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-03-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-21-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 SE Dwtn Rapid City", "date": "2026-03-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 SE Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-21-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-03-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-21-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 SE Dwtn Rapid City", "date": "2026-03-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 SE Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-21-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-03-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-21-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-03-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-21-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-03-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-21-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-03-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-21-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-03-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-21-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-03-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "asos-bf-RCA-2026-03-21", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-03-21", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 55 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-03-21", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-03-21", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 58 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-17-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-03-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-17-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-03-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-17-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-03-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-17-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-03-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-03-17", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-03-17", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 54 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-03-12", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-03-12", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-03-12", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-03-12", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-03-12", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-03-12", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-03-12", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 SE Dwtn Rapid City", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 SE Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-03-12", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-03-12-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-03-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-03-12", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-03-12", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 69 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-03-12", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-03-12", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 62 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2026-02-17", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-02-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-02-17", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-44.23--103.04", "lat": 44.23, "lon": -103.04, "zip": "", "city": "7 NNE Ellsworth AFB", "date": "2026-02-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 7 NNE Ellsworth AFB", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-02-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-02-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-02-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-02-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-02-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 72, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-02-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-02-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-02-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-02-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-02-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-02-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-02-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-02-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-02-17-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-02-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-02-17", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-02-17", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 66 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-02-17", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-02-17", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 64 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-01-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 72, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-01-21", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-21-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-21", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "asos-bf-RCA-2026-01-21", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-01-21", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 61 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-01-21", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-01-21", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 73 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 73, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-20-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-20-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-20-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-20-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-20-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-20-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-20", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-20-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-20-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-20", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-20-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-20-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-20-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-01-20", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-01-20", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-01-20", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 51 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-01-20", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-01-20", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 62 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-01-18", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-01-18", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.23--103.04", "lat": 44.23, "lon": -103.04, "zip": "", "city": "7 NNE Ellsworth AFB", "date": "2026-01-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 7 NNE Ellsworth AFB", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-01-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 75, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2026-01-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.05--103.21", "lat": 44.05, "lon": -103.21, "zip": "", "city": "2 SSE Dwtn Rapid City", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE Dwtn Rapid City", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 77, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-01-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-18-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-18-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-01-18", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-01-18", "county": "Pennington", "source": "IEM ASOS Station", "severity": "severe", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 76 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 76, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-01-18", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-01-18", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 66 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-17-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-17-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-17-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-17-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-01-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-17-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-17-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-17-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2026-01-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-17-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-17-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-17-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-17-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-01-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "asos-bf-RAP-2026-01-17", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-01-17", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 63 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-01-17", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-01-17", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 61 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2026-01-16", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2026-01-16", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 74, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 72, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 72, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2026-01-16", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 73, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-43.98--103.42", "lat": 43.98, "lon": -103.42, "zip": "", "city": "2 ENE Sheridan Lake", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Sheridan Lake", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.19--103.51", "lat": 44.19, "lon": -103.51, "zip": "", "city": "Nemo", "date": "2026-01-16", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Nemo", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 77, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 80, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 72, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 74, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 77, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-01-16", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 77, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2026-01-16", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 78, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 73, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 81, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 74, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 84, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 82, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2026-01-16", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 73, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 78, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.23--103.04", "lat": 44.23, "lon": -103.04, "zip": "", "city": "7 NNE Ellsworth AFB", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 7 NNE Ellsworth AFB", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 88, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-16", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 82, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.09--103.17", "lat": 44.09, "lon": -103.17, "zip": "", "city": "3 E Dwtn Rapid City", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 E Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 79, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.19--103.51", "lat": 44.19, "lon": -103.51, "zip": "", "city": "Nemo", "date": "2026-01-16", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Nemo", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.05--103.21", "lat": 44.05, "lon": -103.21, "zip": "", "city": "2 SSE Dwtn Rapid City", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE Dwtn Rapid City", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 86, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-01-16", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 74, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-16-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 85, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-16-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-01-16", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-01-16", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-01-16", "county": "Pennington", "source": "IEM ASOS Station", "severity": "severe", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 87 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 87, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2026-01-16", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-01-16", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 74 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 74, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-15", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-01-15", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-15", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-15", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2026-01-15", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-15", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Trained Spotter via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2026-01-15", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2026-01-15", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-01-15", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-01-15", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-15-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2026-01-15", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-15-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2026-01-15", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "asos-bf-RCA-2026-01-15", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2026-01-15", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 59 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2026-01-15", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-01-15", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 67 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-13-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-13", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-13-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2026-01-13", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-10-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-10", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-10-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2026-01-10", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-10-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2026-01-10", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-10-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2026-01-10", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "asos-bf-RAP-2026-01-10", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2026-01-10", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 55 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-04-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-04", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-04-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2026-01-04", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-04-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2026-01-04", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-01-04-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2026-01-04", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-28-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-12-28", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-28-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2025-12-28", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-28-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2025-12-28", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-28-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2025-12-28", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-28-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-12-28", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-28-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2025-12-28", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-28-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-28", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-28-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-28", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-28-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-12-28", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "asos-bf-RAP-2025-12-28", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-12-28", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 51 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-27-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-27-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-27-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-12-27", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-27-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-12-27", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-27-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-12-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-27-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-12-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-27-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-27-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-12-27", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-27-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-27-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-12-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-27-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-27-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-12-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-27-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-27-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-27", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2025-12-27", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2025-12-27", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 55 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-12-27", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-12-27", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 65 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-25-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2025-12-25", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-25-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2025-12-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-25-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2025-12-25", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-25-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2025-12-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-25-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2025-12-25", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-25-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2025-12-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-25-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2025-12-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-19-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2025-12-19", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-19-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2025-12-19", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-19-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2025-12-19", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-19-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-19", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-19-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-19", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-12-19", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-12-19", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 51 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2025-12-18", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.19--103.51", "lat": 44.19, "lon": -103.51, "zip": "", "city": "Nemo", "date": "2025-12-18", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Nemo", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 74, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 79, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-43.98--103.42", "lat": 43.98, "lon": -103.42, "zip": "", "city": "2 ENE Sheridan Lake", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Sheridan Lake", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 82, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 74, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 81, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 94, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 90, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 101, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.07--103.31", "lat": 44.07, "lon": -103.31, "zip": "", "city": "4 W Dwtn Rapid City", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 W Dwtn Rapid City", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2025-12-18", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 77, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 83, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 82, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 76, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.05--103.21", "lat": 44.05, "lon": -103.21, "zip": "", "city": "2 SSE Dwtn Rapid City", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE Dwtn Rapid City", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-43.98--103.42", "lat": 43.98, "lon": -103.42, "zip": "", "city": "2 ENE Sheridan Lake", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Sheridan Lake", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 73, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 76, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 92, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 81, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2025-12-18", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 95, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.24--103.02", "lat": 44.24, "lon": -103.02, "zip": "", "city": "8 NNE Ellsworth AFB", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 NNE Ellsworth AFB", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "windSpeedMph": 100, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 77, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 84, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-43.98--103.42", "lat": 43.98, "lon": -103.42, "zip": "", "city": "2 ENE Sheridan Lake", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Sheridan Lake", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 74, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.23--103.04", "lat": 44.23, "lon": -103.04, "zip": "", "city": "7 NNE Ellsworth AFB", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 7 NNE Ellsworth AFB", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 92, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 77, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 78, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-12-18", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 79, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 91, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 94, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 83, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-12-18", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 79, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-12-18", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-12-18", "county": "Pennington", "source": "IEM ASOS Station", "severity": "severe", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 94 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 94, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2025-12-18", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2025-12-18", "county": "Pennington", "source": "IEM ASOS Station", "severity": "severe", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 79 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 79, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2025-12-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-43.73--103.35", "lat": 43.73, "lon": -103.35, "zip": "", "city": "8 WNW Fairburn", "date": "2025-12-17", "county": "Custer", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 8 WNW Fairburn", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 72, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 73, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2025-12-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-12-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-12-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2025-12-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2025-12-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-12-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-12-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-17-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-12-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.23--103.04", "lat": 44.23, "lon": -103.04, "zip": "", "city": "7 NNE Ellsworth AFB", "date": "2025-12-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 7 NNE Ellsworth AFB", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2025-12-17", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-17-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-12-17", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2025-12-17", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2025-12-17", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 69 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-12-17", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-12-17", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 67 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-16-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-16", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-12-16", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-12-16", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 54 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-12-09", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-09-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-09-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-09-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-12-09", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-09-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-09-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-09-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-12-09", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-09-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2025-12-09", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-12-09", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-09-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-09-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-09-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-12-09", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-09-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-12-09", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "asos-bf-RCA-2025-12-09", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2025-12-09", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 55 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-12-09", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-12-09", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 65 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.14--103.57", "lat": 44.14, "lon": -103.57, "zip": "", "city": "4 N Silver City", "date": "2025-11-25", "county": "Lawrence", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 N Silver City", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.23--103.04", "lat": 44.23, "lon": -103.04, "zip": "", "city": "7 NNE Ellsworth AFB", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 7 NNE Ellsworth AFB", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.24--103.40", "lat": 44.24, "lon": -103.4, "zip": "", "city": "1 NNW Piedmont", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 NNW Piedmont", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.10--103.52", "lat": 44.1, "lon": -103.52, "zip": "", "city": "2 NNW Pactola Res", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NNW Pactola Res", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.22--103.33", "lat": 44.22, "lon": -103.33, "zip": "", "city": "2 N Summerset", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 N Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-11-25", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-25-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-11-25", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "reported" }, { "id": "asos-bf-RAP-2025-11-25", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-11-25", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 67 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2025-11-25", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2025-11-25", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 61 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-24-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-11-24", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-24-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-11-24", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-24-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-11-24", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Dept of Highways via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-24-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-11-24", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-24-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-11-24", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-24-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-11-24", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-24-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-11-24", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-24-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-11-24", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2025-11-24", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2025-11-24", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 52 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-11-24", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-11-24", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 55 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-08-wind-44.24--103.25", "lat": 44.24, "lon": -103.25, "zip": "", "city": "6 NE Summerset", "date": "2025-11-08", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 6 NE Summerset", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-08-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-11-08", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-08-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-11-08", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-08-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-11-08", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-08-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-11-08", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-08-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-11-08", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-08-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-11-08", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-08-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-11-08", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-08-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-11-08", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "asos-bf-RCA-2025-11-08", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2025-11-08", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 55 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-11-08", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-11-08", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 57 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-11-02", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-11-02", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-10-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-10-20", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-10-20", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-10-20-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-10-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-10-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-10-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-10-20", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-10-20", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-10-20-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-10-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-10-20", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-20-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2025-10-20", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 4 S Dwtn Rapid City", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "asos-bf-RCA-2025-10-20", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2025-10-20", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 52 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-19-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-10-19", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-19-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-10-19", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-19-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-10-19", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-19-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-10-19", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-19-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-10-19", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-10-19-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-10-19", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-19-wind-44.07--103.21", "lat": 44.07, "lon": -103.21, "zip": "", "city": "1 E Dwtn Rapid City", "date": "2025-10-19", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 E Dwtn Rapid City", "sourceDetail": "NWS UNR — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-10-19-wind-44.12--103.09", "lat": 44.12, "lon": -103.09, "zip": "", "city": "1 W Box Elder", "date": "2025-10-19", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 W Box Elder", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "asos-bf-RCA-2025-10-19", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2025-10-19", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 58 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-10-19", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-10-19", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 65 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-15-hail-44.17--103.33", "lat": 44.17, "lon": -103.33, "zip": "", "city": "1 SSE Summerset", "date": "2025-10-15", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING report", "sourceDetail": "NWS UNR — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2025-10-12-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-10-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-12-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-10-12", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-10-12", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-10-12", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 50 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-15-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-09-15", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-11-wind-43.97--103.33", "lat": 43.97, "lon": -103.33, "zip": "", "city": "2 ENE Rockerville", "date": "2025-09-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 ENE Rockerville", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-11-wind-44.03--103.30", "lat": 44.03, "lon": -103.3, "zip": "", "city": "5 SW Dwtn Rapid City", "date": "2025-09-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Wind gust from decaying thunderstorm. Red Rocks mesonet station 028BH.", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-11-wind-44.02--103.24", "lat": 44.02, "lon": -103.24, "zip": "", "city": "4 S Dwtn Rapid City", "date": "2025-09-11", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Wind gust from decaying thunderstorm.", "sourceDetail": "NWS UNR — NWS Employee via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-09-11-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-09-11", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-09-11-wind-44.16--103.10", "lat": 44.16, "lon": -103.1, "zip": "", "city": "Ellsworth AFB", "date": "2025-09-11", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Ellsworth AFB", "sourceDetail": "NWS UNR — Other Federal via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "asos-bf-RCA-2025-09-11", "lat": 44.1451, "lon": -103.1036, "zip": "", "city": "ELLSWORTH AFB", "date": "2025-09-11", "county": "Pennington", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ELLSWORTH AFB (RCA) recorded a 60 mph gust.", "sourceDetail": "SD_ASOS automated observation — ELLSWORTH AFB (RCA) [365d backfill 2026-08]", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-04-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-09-04", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-04-wind-44.05--103.05", "lat": 44.05, "lon": -103.05, "zip": "", "city": "Rapid City Arpt", "date": "2025-09-04", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Rapid City Arpt", "sourceDetail": "NWS UNR — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-04-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-09-04", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-04-wind-44.23--102.83", "lat": 44.23, "lon": -102.83, "zip": "", "city": "11 SSE Hereford", "date": "2025-09-04", "county": "Meade", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 11 SSE Hereford", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-04-wind-44.12--102.93", "lat": 44.12, "lon": -102.93, "zip": "", "city": "5 WNW New Underwood", "date": "2025-09-04", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 5 WNW New Underwood", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-04-wind-44.00--103.00", "lat": 44, "lon": -103, "zip": "", "city": "1 WNW Caputa", "date": "2025-09-04", "county": "Pennington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 1 WNW Caputa", "sourceDetail": "NWS UNR — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "asos-bf-RAP-2025-09-04", "lat": 44.0453, "lon": -103.0574, "zip": "", "city": "RAPID CITY", "date": "2025-09-04", "county": "Pennington", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "RAPID CITY (RAP) recorded a 56 mph gust.", "sourceDetail": "SD_ASOS automated observation — RAPID CITY (RAP) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" } ] }