{ "dataset": "Knoxville, TN 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": "2026-08-24T09:50:10.074+00:00", "window_days": 365, "event_count": 29, "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": "iem-lsr-2026-08-20-hail-35.89--84.20", "lat": 35.89, "lon": -84.2, "zip": "", "city": "2 NW Farragut", "date": "2026-08-20", "county": "Knox", "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 MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-08-17-hail-35.75-3", "lat": 35.75, "lon": -84, "zip": "", "city": "1 W Maryville", "date": "2026-08-17", "county": "Blount", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.93, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "hail reported near 1 W Maryville", "sourceDetail": "SPC filtered reports — 2026-08-17", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "asos-OQT-2026-08-17-89484", "lat": 36.023, "lon": -84.2336, "zip": "", "city": "OAK RIDGE", "date": "2026-08-17", "county": "Knox", "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": "OAK RIDGE (OQT) recorded a 51 mph gust.", "sourceDetail": "TN_ASOS automated observation — OAK RIDGE (OQT)", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-03-hail-36.02--84.22", "lat": 36.02, "lon": -84.22, "zip": "", "city": "6 NE Oak Ridge", "date": "2026-07-03", "county": "Anderson", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Brief power loss accompanying the hail.", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-07-03-hail-36.08--84.20", "lat": 36.08, "lon": -84.2, "zip": "", "city": "4 W Clinton", "date": "2026-07-03", "county": "Anderson", "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 MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-07-03-hail-36.11--84.17", "lat": 36.11, "lon": -84.17, "zip": "", "city": "2 WNW Clinton", "date": "2026-07-03", "county": "Anderson", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Two separate Facebook reports of large hail in Clinton_ no ruler or measurement but both look to be at least quarter sized.", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-02-20-wind-35.81--84.00", "lat": 35.81, "lon": -84, "zip": "", "city": "2 NW ALCOA", "date": "2026-02-20", "county": "Blount", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "KNOXVILLE MCGHEE TYSON REPORTED A PEAK WIND OF 57 MPH ASSOCIATED WITH THE CONVECTIVE LINE OF SHOWERS.", "sourceDetail": "NWS MRX — ASOS via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-20-wind-35.81--84.00", "lat": 35.81, "lon": -84, "zip": "", "city": "2 NW Alcoa", "date": "2026-02-20", "county": "Blount", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Knoxville McGhee Tyson reported a peak wind of 60 mph associated with the convective line of showers.", "sourceDetail": "NWS MRX — ASOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-18-wind-35.81--84.00", "lat": 35.81, "lon": -84, "zip": "", "city": "2 NW Alcoa", "date": "2025-12-18", "county": "Blount", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Knoxville TYS Airport ASOS recorded a 54 knot (~62 mph) wind gust.", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-12-18-wind-35.86--83.53", "lat": 35.86, "lon": -83.53, "zip": "", "city": "3 W Harrisburg", "date": "2025-12-18", "county": "Sevier", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Gatlinburg Sevierville Airport (KGKT) AWOS recorded a 53 mph wind gust shortly before midnight.", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-10-21-hail-35.82--84.07", "lat": 35.82, "lon": -84.07, "zip": "", "city": "5 W Alcoa", "date": "2025-10-21", "county": "Blount", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Louisville town hall_ lasted perhaps 2.5 minutes starting around 1:58 pm.", "sourceDetail": "NWS MRX — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2025-10-21-hail-35.89--83.83", "lat": 35.89, "lon": -83.83, "zip": "", "city": "3 SE Lake Forest", "date": "2025-10-21", "county": "Knox", "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 MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2025-10-21-hail-35.86--83.79", "lat": 35.86, "lon": -83.79, "zip": "", "city": "1 SW Seymour", "date": "2025-10-21", "county": "Blount", "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 SW Seymour", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2025-10-21-hail-35.95--83.62", "lat": 35.95, "lon": -83.62, "zip": "", "city": "2 SSE Kodak", "date": "2025-10-21", "county": "Sevier", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report of quarter size hail.", "sourceDetail": "NWS MRX — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2025-10-21-hail-35.96--83.62", "lat": 35.96, "lon": -83.62, "zip": "", "city": "1 SE Kodak", "date": "2025-10-21", "county": "Sevier", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photos of pea to penny size hail. Largest hail stones appear to be around 0.75 inch diameter.", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2025-10-21-hail-35.95--83.58", "lat": 35.95, "lon": -83.58, "zip": "", "city": "3 SE Kodak", "date": "2025-10-21", "county": "Sevier", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo and video of abundant dime to nickel size hail.", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2025-09-04-hail-35.79--83.63", "lat": 35.79, "lon": -83.63, "zip": "", "city": "4 W Pigeon Forge", "date": "2025-09-04", "county": "Sevier", "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 W Pigeon Forge", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2025-09-04-hail-35.97--84.15", "lat": 35.97, "lon": -84.15, "zip": "", "city": "2 WSW Karns", "date": "2025-09-04", "county": "Knox", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Nickel to quarter-sized hail near Hardin Valley area.", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2025-09-04-hail-35.97--84.19", "lat": 35.97, "lon": -84.19, "zip": "", "city": "4 W Karns", "date": "2025-09-04", "county": "Knox", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Broadcast media report of half dollar size hail off of Solway Road. Similar report in Karns.", "sourceDetail": "NWS MRX — Broadcast Media via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2025-09-04-hail-35.98--84.10", "lat": 35.98, "lon": -84.1, "zip": "", "city": "1 ENE Karns", "date": "2025-09-04", "county": "Knox", "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 ENE Karns", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2025-09-04-hail-35.98--84.11", "lat": 35.98, "lon": -84.11, "zip": "", "city": "Karns", "date": "2025-09-04", "county": "Knox", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Social Media photo of multiple golf ball size hail stones.", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2025-09-04-hail-35.91--83.95", "lat": 35.91, "lon": -83.95, "zip": "", "city": "3 SE Bearden", "date": "2025-09-04", "county": "Knox", "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 MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2025-09-04-hail-35.91--84.11", "lat": 35.91, "lon": -84.11, "zip": "", "city": "5 NE Farragut", "date": "2025-09-04", "county": "Knox", "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 MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2025-09-04-hail-35.89--83.83", "lat": 35.89, "lon": -83.83, "zip": "", "city": "3 SE Lake Forest", "date": "2025-09-04", "county": "Knox", "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 MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2025-09-04-hail-35.92--84.01", "lat": 35.92, "lon": -84.01, "zip": "", "city": "1 SW Bearden", "date": "2025-09-04", "county": "Knox", "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 MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2025-09-04-hail-35.89--83.58", "lat": 35.89, "lon": -83.58, "zip": "", "city": "Sevierville", "date": "2025-09-04", "county": "Sevier", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Social media video of dime to quarter size hail_ time estimated based on radar.", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2025-09-04-hail-35.88--83.57", "lat": 35.88, "lon": -83.57, "zip": "", "city": "1 SE Sevierville", "date": "2025-09-04", "county": "Sevier", "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 Sevierville", "sourceDetail": "NWS MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2025-09-04-hail-35.91--84.11", "lat": 35.91, "lon": -84.11, "zip": "", "city": "5 NE Farragut", "date": "2025-09-04", "county": "Knox", "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 MRX — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2025-09-04-wind-35.85--83.53", "lat": 35.85, "lon": -83.53, "zip": "", "city": "3 WSW Harrisburg", "date": "2025-09-04", "county": "Sevier", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KGKT Sevierville.", "sourceDetail": "NWS MRX — AWOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" } ] }