{ "dataset": "Sioux Falls, 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": 144, "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-2026-08-20-hail-43.65-13", "lat": 43.65, "lon": -97.07, "zip": "", "city": "Humboldt", "date": "2026-08-20", "county": "Minnehaha", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.93, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "hail reported near Humboldt", "sourceDetail": "SPC filtered reports — 2026-08-20", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-08-20-hail-43.73--96.94", "lat": 43.73, "lon": -96.94, "zip": "", "city": "4 S Colton", "date": "2026-08-20", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-08-20-hail-43.62--96.99", "lat": 43.62, "lon": -96.99, "zip": "", "city": "2 W Hartford", "date": "2026-08-20", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo posted to social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "spc-2026-08-20-hail-43.72-16", "lat": 43.72, "lon": -96.87, "zip": "", "city": "5 NW Crooks", "date": "2026-08-20", "county": "Minnehaha", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.93, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "hail reported near 5 NW Crooks", "sourceDetail": "SPC filtered reports — 2026-08-20", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-20-hail-43.69--96.78", "lat": 43.69, "lon": -96.78, "zip": "", "city": "3 NE Crooks", "date": "2026-08-20", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Minor leaf damage.", "sourceDetail": "NWS FSD — Cocorahs via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-08-20-hail-43.76--96.78", "lat": 43.76, "lon": -96.78, "zip": "", "city": "2 W Baltic", "date": "2026-08-20", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report relayed from NWS Aberdeen office.", "sourceDetail": "NWS FSD — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-20-hail-43.68--96.71", "lat": 43.68, "lon": -96.71, "zip": "", "city": "5 ENE Crooks", "date": "2026-08-20", "county": "Minnehaha", "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 via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-08-20-hail-43.48-19", "lat": 43.48, "lon": -96.74, "zip": "", "city": "4 S Sioux Falls", "date": "2026-08-20", "county": "Lincoln", "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 S Sioux Falls", "sourceDetail": "SPC filtered reports — 2026-08-20", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-20-hail-43.37--96.99", "lat": 43.37, "lon": -96.99, "zip": "", "city": "Chancellor", "date": "2026-08-20", "county": "Turner", "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 Chancellor", "sourceDetail": "NWS FSD — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-08-20-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2026-08-20", "county": "Turner", "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": "Mesonet station PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 76, "evidenceLevel": "observed" }, { "id": "spc-2026-08-20-wind-43.36-104", "lat": 43.36, "lon": -96.99, "zip": "", "city": "1 SSW Chancellor", "date": "2026-08-20", "county": "Turner", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 1 SSW Chancellor", "sourceDetail": "SPC filtered reports — 2026-08-20", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-hail-43.33--96.77", "lat": 43.33, "lon": -96.77, "zip": "", "city": "Worthing", "date": "2026-08-11", "county": "Lincoln", "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 Worthing", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-08-11-hail-43.24--96.69", "lat": 43.24, "lon": -96.69, "zip": "", "city": "7 SW Canton", "date": "2026-08-11", "county": "Lincoln", "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 SW Canton", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-11-hail-43.22--96.57", "lat": 43.22, "lon": -96.57, "zip": "", "city": "4 W Fairview", "date": "2026-08-11", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Hail varied from pea to nickel size.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-07-25-wind-43.56--97.16", "lat": 43.56, "lon": -97.16, "zip": "", "city": "6 NNE Monroe", "date": "2026-07-25", "county": "McCook", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-07-25", "county": "McCook", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.77--96.89", "lat": 43.77, "lon": -96.89, "zip": "", "city": "2 ESE Colton", "date": "2026-07-25", "county": "Minnehaha", "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": "Private weather station CTNS2.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.49--96.73", "lat": 43.49, "lon": -96.73, "zip": "", "city": "4 S Sioux Falls", "date": "2026-07-25", "county": "Lincoln", "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": "Private Weather Station XL530.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2026-07-25", "county": "Minnehaha", "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": "ASOS station KFSD Sioux Falls Airport.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 72, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.50--96.92", "lat": 43.5, "lon": -96.92, "zip": "", "city": "3 SE Wall Lake", "date": "2026-07-25", "county": "Minnehaha", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.37--96.89", "lat": 43.37, "lon": -96.89, "zip": "", "city": "1 NNE Lennox", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-25-wind-43.47--96.84", "lat": 43.47, "lon": -96.84, "zip": "", "city": "1 N Tea", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 75, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.40--96.77", "lat": 43.4, "lon": -96.77, "zip": "", "city": "4 WSW Harrisburg", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 77, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.44--96.84", "lat": 43.44, "lon": -96.84, "zip": "", "city": "1 SW Tea", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 81, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.48--96.74", "lat": 43.48, "lon": -96.74, "zip": "", "city": "4 NW Harrisburg", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.45--96.84", "lat": 43.45, "lon": -96.84, "zip": "", "city": "Tea", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 92, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-25-wind-43.51--96.64", "lat": 43.51, "lon": -96.64, "zip": "", "city": "4 W Rowena", "date": "2026-07-25", "county": "Minnehaha", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.34--96.75", "lat": 43.34, "lon": -96.75, "zip": "", "city": "1 NE Worthing", "date": "2026-07-25", "county": "Lincoln", "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": "Private weather station XL549.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-25-wind-43.43--96.71", "lat": 43.43, "lon": -96.71, "zip": "", "city": "1 W Harrisburg", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 81, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.44--96.69", "lat": 43.44, "lon": -96.69, "zip": "", "city": "1 NNE Harrisburg", "date": "2026-07-25", "county": "Lincoln", "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": "Via personal weather station.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 82, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-25-wind-43.63--96.61", "lat": 43.63, "lon": -96.61, "zip": "", "city": "3 NNW Brandon", "date": "2026-07-25", "county": "Minnehaha", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.31--96.59", "lat": 43.31, "lon": -96.59, "zip": "", "city": "1 NW Canton", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-25-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2026-07-25", "county": "Lincoln", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "asos-FSD-2026-07-25-15507", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-07-25", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 73 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD)", "windSpeedMph": 73, "evidenceLevel": "observed" }, { "id": "asos-FSD-2026-07-25-15613", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-07-25", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 51 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-07-25", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-07-25", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 72 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 72, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-02-wind-43.56--97.16", "lat": 43.56, "lon": -97.16, "zip": "", "city": "6 NNE Monroe", "date": "2026-07-02", "county": "McCook", "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": "Measured on personal weather station.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-01-wind-43.64--96.53", "lat": 43.64, "lon": -96.53, "zip": "", "city": "4 NNE Brandon", "date": "2026-07-01", "county": "Minnehaha", "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": "Personal weather station reported gust of 60 mph at 3:23 am CDT.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "asos-bf-FSD-2026-07-01", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-07-01", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 51 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-30-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-06-30", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-28-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2026-06-28", "county": "Minnehaha", "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 3 NNW Sioux Falls", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-28-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-06-28", "county": "Minnehaha", "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": "Mesonet station 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Dept of Highways via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-28-wind-43.33--96.88", "lat": 43.33, "lon": -96.88, "zip": "", "city": "2 SSE Lennox", "date": "2026-06-28", "county": "Lincoln", "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 SSE Lennox", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "reported" }, { "id": "asos-bf-FSD-2026-06-28", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-06-28", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 63 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-17-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-06-17", "county": "McCook", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-17-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-06-17", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-17-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-06-17", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-17-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2026-06-17", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KFSD Sioux Falls Airport.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-06-17", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-06-17", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 55 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-31-hail-43.57--97.03", "lat": 43.57, "lon": -97.03, "zip": "", "city": "5 NW Wall Lake", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo and report via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.63--97.12", "lat": 43.63, "lon": -97.12, "zip": "", "city": "2 WSW Humboldt", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "In addition to hail up to the size of quarters_ heavy rainfall was reported.", "sourceDetail": "NWS FSD — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.61--97.09", "lat": 43.61, "lon": -97.09, "zip": "", "city": "3 SSW Humboldt", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report and video via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.64--97.03", "lat": 43.64, "lon": -97.03, "zip": "", "city": "2 ESE Humboldt", "date": "2026-05-31", "county": "Minnehaha", "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 via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.27--97.04", "lat": 43.27, "lon": -97.04, "zip": "", "city": "2 WNW Davis", "date": "2026-05-31", "county": "Turner", "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 WNW Davis", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.40--97.14", "lat": 43.4, "lon": -97.14, "zip": "", "city": "Parker", "date": "2026-05-31", "county": "Turner", "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 via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.29--97.00", "lat": 43.29, "lon": -97, "zip": "", "city": "2 N Davis", "date": "2026-05-31", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report via social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-31-hail-43.26--97.00", "lat": 43.26, "lon": -97, "zip": "", "city": "Davis", "date": "2026-05-31", "county": "Turner", "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 Davis", "sourceDetail": "NWS FSD — Emergency Mngr via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-geo-2026-05-31-tornado-43.53--97.03", "lat": 43.53, "lon": -97.03, "zip": "", "city": "4 W Wall Lake", "date": "2026-05-31", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Radar confirmed tonado.", "sourceDetail": "NWS FSD — NWS Employee via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-05-24-hail-43.60--97.18", "lat": 43.6, "lon": -97.18, "zip": "", "city": "5 E Canistota", "date": "2026-05-24", "county": "McCook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report via social media_ time estimated by radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-05-24-hail-43.63--96.95", "lat": 43.63, "lon": -96.95, "zip": "", "city": "1 NNW Hartford", "date": "2026-05-24", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from social media.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-05-24-hail-43.38--97.11", "lat": 43.38, "lon": -97.11, "zip": "", "city": "2 SE Parker", "date": "2026-05-24", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from social media. Time estimated by radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-24-hail-43.42--96.70", "lat": 43.42, "lon": -96.7, "zip": "", "city": "1 SSW Harrisburg", "date": "2026-05-24", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Received a public report of quarter sized hail near Harrisburg. Time estimated via radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-24-hail-43.53--96.96", "lat": 43.53, "lon": -96.96, "zip": "", "city": "Wall Lake", "date": "2026-05-24", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from social media_ time estimated by radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-24-hail-43.52--96.76", "lat": 43.52, "lon": -96.76, "zip": "", "city": "2 SW Sioux Falls", "date": "2026-05-24", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Got an mping report of Quarter sized hail in Sioux Falls. Time estimated via radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-24-hail-43.59--96.62", "lat": 43.59, "lon": -96.62, "zip": "", "city": "2 W Brandon", "date": "2026-05-24", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "mPING Report of Quarter (1.00 in.) sized hail just west of Brandon. Time estimated via radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-17-hail-43.35--96.93", "lat": 43.35, "lon": -96.93, "zip": "", "city": "2 W Lennox", "date": "2026-05-17", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Quarter size hail along with estimated 40-50 mph winds reported.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-17-hail-43.53--96.84", "lat": 43.53, "lon": -96.84, "zip": "", "city": "5 W Sioux Falls", "date": "2026-05-17", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-17-hail-43.48--96.75", "lat": 43.48, "lon": -96.75, "zip": "", "city": "4 NW Harrisburg", "date": "2026-05-17", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from 85th and Western of quarter size hail.", "sourceDetail": "NWS FSD — Emergency Mngr via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-17-hail-43.45--96.84", "lat": 43.45, "lon": -96.84, "zip": "", "city": "Tea", "date": "2026-05-17", "county": "Lincoln", "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 Tea", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-17-hail-43.49--96.71", "lat": 43.49, "lon": -96.71, "zip": "", "city": "4 SSE Sioux Falls", "date": "2026-05-17", "county": "Lincoln", "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 SSE Sioux Falls", "sourceDetail": "NWS FSD — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-05-17-hail-43.59--96.46", "lat": 43.59, "lon": -96.46, "zip": "", "city": "Valley Springs", "date": "2026-05-17", "county": "Minnehaha", "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 Valley Springs", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-05-17-wind-43.36--96.99", "lat": 43.36, "lon": -96.99, "zip": "", "city": "1 S Chancellor", "date": "2026-05-17", "county": "Turner", "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": "Via personal weather station. Exact time estimated via radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-05-17-wind-43.39--96.94", "lat": 43.39, "lon": -96.94, "zip": "", "city": "2 ENE Chancellor", "date": "2026-05-17", "county": "Turner", "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": "Via personal weather station. Exact time estimated via radar.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-geo-2026-05-17-tornado-43.26--97.03", "lat": 43.26, "lon": -97.03, "zip": "", "city": "2 W Davis", "date": "2026-05-17", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Video via social media of brief gustnado. Location estimated.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-13-hail-43.52--96.81", "lat": 43.52, "lon": -96.81, "zip": "", "city": "5 W Sioux Falls", "date": "2026-04-13", "county": "Minnehaha", "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 5 W Sioux Falls", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-13-hail-43.52--96.80", "lat": 43.52, "lon": -96.8, "zip": "", "city": "4 WSW Sioux Falls", "date": "2026-04-13", "county": "Minnehaha", "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 WSW Sioux Falls", "sourceDetail": "NWS FSD — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-04-13-hail-43.47--96.78", "lat": 43.47, "lon": -96.78, "zip": "", "city": "3 ENE Tea", "date": "2026-04-13", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Penny to quarter size hail.", "sourceDetail": "NWS FSD — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-13-hail-43.47--96.78", "lat": 43.47, "lon": -96.78, "zip": "", "city": "4 NE Tea", "date": "2026-04-13", "county": "Lincoln", "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 NE Tea", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-04-13-hail-43.48--96.79", "lat": 43.48, "lon": -96.79, "zip": "", "city": "3 NE Tea", "date": "2026-04-13", "county": "Lincoln", "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 NE Tea", "sourceDetail": "NWS FSD — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-13-hail-43.51--96.72", "lat": 43.51, "lon": -96.72, "zip": "", "city": "2 S Sioux Falls", "date": "2026-04-13", "county": "Minnehaha", "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 S Sioux Falls", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-04-13-hail-43.48--96.73", "lat": 43.48, "lon": -96.73, "zip": "", "city": "4 NNW Harrisburg", "date": "2026-04-13", "county": "Lincoln", "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 NNW Harrisburg", "sourceDetail": "NWS FSD — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-13-hail-43.52--96.68", "lat": 43.52, "lon": -96.68, "zip": "", "city": "3 SE Sioux Falls", "date": "2026-04-13", "county": "Minnehaha", "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 3 SE Sioux Falls", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-04-13-hail-43.51--96.65", "lat": 43.51, "lon": -96.65, "zip": "", "city": "4 E Sioux Falls", "date": "2026-04-13", "county": "Minnehaha", "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 4 E Sioux Falls", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-04-13-hail-43.50--96.67", "lat": 43.5, "lon": -96.67, "zip": "", "city": "4 SE Sioux Falls", "date": "2026-04-13", "county": "Lincoln", "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 SE Sioux Falls", "sourceDetail": "NWS FSD — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "asos-bf-FSD-2026-03-28", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-03-28", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 50 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2026-03-15", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2026-03-15", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KFSD Sioux Falls Airport.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-03-15", "county": "McCook", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-03-15", "county": "Minnehaha", "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": "Mesonet station 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-03-15", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2026-03-15", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-03-15", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-03-15", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-03-13", "county": "Minnehaha", "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": "Mesonet station 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-03-13", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-03-13", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 54 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-03-12", "county": "McCook", "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": "Mesonet station 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-03-12", "county": "Turner", "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": "Mesonet station 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2026-03-12", "county": "Minnehaha", "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": "ASOS station KFSD Sioux Falls Airport.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-12-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2026-03-12", "county": "Lincoln", "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": "Mesonet station 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-03-12", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-03-12", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 62 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-18-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-02-18", "county": "McCook", "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": "Mesonet station 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-18-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2026-02-18", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-18-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-02-18", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-18-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2026-02-18", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-18-wind-43.44--96.69", "lat": 43.44, "lon": -96.69, "zip": "", "city": "1 NNE Harrisburg", "date": "2026-02-18", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station GW4277 HARRISBURG.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-18-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2026-02-18", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KFSD Sioux Falls Airport.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-02-18", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-02-18", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 56 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-17-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-02-17", "county": "Minnehaha", "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": "Mesonet station 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2026-01-21", "county": "McCook", "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": "Mesonet station 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2026-01-21", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2026-01-21", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2026-01-21", "county": "Turner", "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": "Mesonet station 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2026-01-21", "county": "Lincoln", "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": "Mesonet station 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-21-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2026-01-21", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KFSD Sioux Falls Airport.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-01-21", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-01-21", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 56 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-01-18", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-01-18", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 50 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2026-01-16", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2026-01-16", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 53 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-29-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2025-12-29", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-28-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2025-12-28", "county": "McCook", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-28-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2025-12-28", "county": "Lincoln", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-28-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2025-12-28", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2025-12-18", "county": "Turner", "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": "Mesonet station 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2025-12-18", "county": "Turner", "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": "Mesonet station PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2025-12-18", "county": "Minnehaha", "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": "ASOS station KFSD Sioux Falls Airport.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2025-12-18", "county": "McCook", "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": "Mesonet station 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2025-12-18", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2025-12-18", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 59 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2025-12-10", "county": "Minnehaha", "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": "Mesonet station 17 SD RWIS Dell Rapids.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.44--96.68", "lat": 43.44, "lon": -96.68, "zip": "", "city": "1 NE Harrisburg", "date": "2025-12-10", "county": "Lincoln", "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": "Mesonet station AWN6589 Harrisburg.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2025-12-10", "county": "Minnehaha", "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": "ASOS station KFSD Sioux Falls Airport.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 71, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2025-12-10", "county": "McCook", "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": "Mesonet station 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.49--97.08", "lat": 43.49, "lon": -97.08, "zip": "", "city": "7 WSW Wall Lake", "date": "2025-12-10", "county": "Turner", "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": "Mesonet station PKMS2 Parker 7NNE (SD Mesonet).", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2025-12-10", "county": "Turner", "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": "Mesonet station 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-10-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2025-12-10", "county": "Lincoln", "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": "Mesonet station 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2025-12-10", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2025-12-10", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 71 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 71, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2025-12-09", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2025-12-09", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 58 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-43.37--97.08", "lat": 43.37, "lon": -97.08, "zip": "", "city": "3 ESE Parker", "date": "2025-11-25", "county": "Turner", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Mesonet station 310 SD RWIS Parker.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-43.67--97.15", "lat": 43.67, "lon": -97.15, "zip": "", "city": "3 SE Montrose", "date": "2025-11-25", "county": "McCook", "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": "Mesonet station 18 SD RWIS Montrose.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-43.26--96.80", "lat": 43.26, "lon": -96.8, "zip": "", "city": "5 SSW Worthing", "date": "2025-11-25", "county": "Lincoln", "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": "Mesonet station 176 SD RWIS Davis.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-43.82--96.78", "lat": 43.82, "lon": -96.78, "zip": "", "city": "3 W Dell Rapids", "date": "2025-11-25", "county": "Minnehaha", "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": "Mesonet station 17 SD RWIS DELL RAPIDS.", "sourceDetail": "NWS FSD — Mesonet via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2025-11-25", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KFSD Sioux Falls Airport.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-25-wind-43.58--96.75", "lat": 43.58, "lon": -96.75, "zip": "", "city": "3 NNW Sioux Falls", "date": "2025-11-25", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KFSD Sioux Falls Airport.", "sourceDetail": "NWS FSD — ASOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-FSD-2025-11-25", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2025-11-25", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 54 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-16-hail-43.51--96.79", "lat": 43.51, "lon": -96.79, "zip": "", "city": "4 SW Sioux Falls", "date": "2025-09-16", "county": "Minnehaha", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2025-09-14-wind-43.86--96.68", "lat": 43.86, "lon": -96.68, "zip": "", "city": "3 SSW Trent", "date": "2025-09-14", "county": "Moody", "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": "Personal weather station.", "sourceDetail": "NWS FSD — Public via Iowa Mesonet", "windSpeedMph": 73, "evidenceLevel": "reported" }, { "id": "asos-bf-FSD-2025-09-04", "lat": 43.5769, "lon": -96.7536, "zip": "", "city": "SIOUX FALLS", "date": "2025-09-04", "county": "Minnehaha", "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": "SIOUX FALLS (FSD) recorded a 50 mph gust.", "sourceDetail": "SD_ASOS automated observation — SIOUX FALLS (FSD) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" } ] }