{ "dataset": "Fayetteville, AR storm events — 12-month window, 25-mile radius plus Washington records (floods and special weather statements excluded, matching the city page)", "license": "https://www.stormauditor.com/data-license", "provenance": "Consolidated 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": "2026-09-20T10:55:27.072+00:00", "window_days": 365, "schema_version": "2.0.0", "event_count": 147, "fields": { "id": "stable event identifier (source-derived)", "date": "event date (YYYY-MM-DD, local storm day)", "county": "county or county-equivalent (may be blank)", "city": "place name from the source record (LSR names may carry a distance/direction prefix)", "zip": "ZIP code when the source provides one (may be blank)", "eventType": "hazard tag: wind | hail | tornado | flood | lightning", "severity": "StormAuditor severity bucket (low|moderate|high|severe)", "evidenceLevel": "evidence level of the source record (warning|observed|...)", "confidence": "StormAuditor confidence score for the record (0-1, may be absent)", "windSpeedMph": "reported/estimated wind gust, mph (absent if n/a)", "hailSizeInches": "reported/estimated hail size, inches (absent if n/a)", "tornadoScale": "EF-scale rating when the source provides one (absent if n/a)", "damageTypes": "damage tags from the source narrative (may be absent)", "description": "source narrative excerpt (may be absent)", "source": "originating public record (NWS warning, LSR, NCEI, ...)", "sourceDetail": "issuing office / product detail for the source (may be absent)", "originStation": "reporting station identifier when applicable (may be absent)", "warningProductKey": "NWS warning product key for warning-derived rows (may be absent)", "lat": "event latitude (WGS84, may be blank)", "lon": "event longitude (WGS84, may be blank)", "rawWindSpeedMph": "source-reported wind value before display screening, mph (may be absent)", "windSpeedDisclaimer": "set when the wind value is a warning-projected figure rather than a measurement (may be absent)" }, "events": [ { "id": "nws-alert-276040f1c7292ee8.001-Washingt-wind-2026-08-26", "zip": "", "city": "", "date": "2026-08-26", "county": "Washington", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Watch for Washington. Severe Thunderstorm Watch issued August 26 at 3:09PM CDT until August 26 at 10:00PM CDT by NWS Tulsa OK", "sourceDetail": "NWS Tulsa OK — Severe Thunderstorm Watch", "evidenceLevel": "warning", "originStation": "Tulsa OK Weather Station", "warningProductKey": "TSA-SV-A-628" }, { "id": "iem-ww-TSA-SV-W-352-Washington-wind-2026-08-17", "zip": "", "city": "Washington", "date": "2026-08-17", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-08-17. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-352" }, { "id": "iem-ww-TSA-SV-W-352-Washington-hail-2026-08-17", "zip": "", "city": "Washington", "date": "2026-08-17", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-08-17. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-352" }, { "id": "iem-ww-TSA-SV-W-351-Washington-wind-2026-08-17", "zip": "", "city": "Washington", "date": "2026-08-17", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-08-17. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-351" }, { "id": "iem-ww-TSA-SV-W-351-Washington-hail-2026-08-17", "zip": "", "city": "Washington", "date": "2026-08-17", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-08-17. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-351" }, { "id": "iem-ww-TSA-SV-W-353-Washington-wind-2026-08-17", "zip": "", "city": "Washington", "date": "2026-08-17", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-08-17. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-353" }, { "id": "iem-ww-TSA-SV-W-353-Washington-hail-2026-08-17", "zip": "", "city": "Washington", "date": "2026-08-17", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-08-17. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-353" }, { "id": "iem-ww-TSA-SV-W-328-Washington-wind-2026-07-11", "zip": "", "city": "Washington", "date": "2026-07-11", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-07-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-328" }, { "id": "iem-ww-TSA-SV-W-328-Washington-hail-2026-07-11", "zip": "", "city": "Washington", "date": "2026-07-11", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-07-11. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-328" }, { "id": "iem-ww-TSA-SV-W-320-Washington-wind-2026-07-04", "zip": "", "city": "Washington", "date": "2026-07-04", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-07-04. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-320" }, { "id": "iem-ww-TSA-SV-W-320-Washington-hail-2026-07-04", "zip": "", "city": "Washington", "date": "2026-07-04", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-07-04. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-320" }, { "id": "iem-ww-TSA-SV-W-299-Washington-wind-2026-06-25", "zip": "", "city": "Washington", "date": "2026-06-25", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-25. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-299" }, { "id": "iem-ww-TSA-SV-W-299-Washington-hail-2026-06-25", "zip": "", "city": "Washington", "date": "2026-06-25", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-25. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-299" }, { "id": "iem-ww-TSA-SV-W-270-Washington-wind-2026-06-14", "zip": "", "city": "Washington", "date": "2026-06-14", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-14. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-270" }, { "id": "iem-ww-TSA-SV-W-270-Washington-hail-2026-06-14", "zip": "", "city": "Washington", "date": "2026-06-14", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-14. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-270" }, { "id": "iem-ww-TSA-SV-W-268-Washington-wind-2026-06-14", "zip": "", "city": "Washington", "date": "2026-06-14", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-268" }, { "id": "iem-ww-TSA-SV-W-268-Washington-hail-2026-06-14", "zip": "", "city": "Washington", "date": "2026-06-14", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-14. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-268" }, { "id": "iem-ww-TSA-SV-W-256-Washington-wind-2026-06-13", "zip": "", "city": "Washington", "date": "2026-06-13", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-13. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-256" }, { "id": "iem-ww-TSA-SV-W-256-Washington-hail-2026-06-13", "zip": "", "city": "Washington", "date": "2026-06-13", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-13. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "TSA-SV-W-256" }, { "id": "iem-ww-TSA-SV-W-266-Washington-wind-2026-06-13", "zip": "", "city": "Washington", "date": "2026-06-13", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-13. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-266" }, { "id": "iem-ww-TSA-SV-W-266-Washington-hail-2026-06-13", "zip": "", "city": "Washington", "date": "2026-06-13", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-13. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-266" }, { "id": "iem-ww-TSA-SV-W-245-Washington-wind-2026-06-11", "zip": "", "city": "Washington", "date": "2026-06-11", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-245" }, { "id": "iem-ww-TSA-SV-W-245-Washington-hail-2026-06-11", "zip": "", "city": "Washington", "date": "2026-06-11", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-06-11. Storm tag hail: 0.88\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.88, "warningProductKey": "TSA-SV-W-245" }, { "id": "iem-lsr-2026-04-28-hail-36.19--94.54", "lat": 36.19, "lon": -94.54, "zip": "", "city": "Siloam Springs", "date": "2026-04-28", "county": "Benton", "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.) Time estimated from radar.", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-28-hail-36.18--94.51", "lat": 36.18, "lon": -94.51, "zip": "", "city": "2 E Siloam Springs", "date": "2026-04-28", "county": "Benton", "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 TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-04-28-hail-36.33--94.46", "lat": 36.33, "lon": -94.46, "zip": "", "city": "Decatur", "date": "2026-04-28", "county": "Benton", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated by radar.", "sourceDetail": "NWS TSA — Fire Dept/Rescue via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-04-28-hail-36.26--94.35", "lat": 36.26, "lon": -94.35, "zip": "", "city": "Highfill", "date": "2026-04-28", "county": "Benton", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared by broadcast media. Time estimated via radar.", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-04-28-hail-36.27--94.19", "lat": 36.27, "lon": -94.19, "zip": "", "city": "2 E Cave Springs", "date": "2026-04-28", "county": "Benton", "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 E Cave Springs", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "spc-2026-04-28-154-1530", "lat": 36.29, "lon": -94.23, "zip": "", "city": "Cave Springs", "date": "2026-04-28", "county": "Benton", "source": "SPC Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-04-28-hail-36.21--94.22", "lat": 36.21, "lon": -94.22, "zip": "", "city": "1 NE Elm Springs", "date": "2026-04-28", "county": "Benton", "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 NE Elm Springs", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "spc-2026-04-28-156-1533", "lat": 36.21, "lon": -94.22, "zip": "", "city": "Elm Springs", "date": "2026-04-28", "county": "Benton", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-04-28-155-1533", "lat": 36.18, "lon": -94.22, "zip": "", "city": "Tontitown", "date": "2026-04-28", "county": "Washington", "source": "SPC Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 2.75 }, { "id": "spc-2026-04-28-157-1534", "lat": 36.24, "lon": -94.23, "zip": "", "city": "Cave Springs", "date": "2026-04-28", "county": "Benton", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-04-28-hail-36.31--94.10", "lat": 36.31, "lon": -94.1, "zip": "", "city": "2 SE Rogers", "date": "2026-04-28", "county": "Benton", "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 TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-04-28-hail-35.98--94.32", "lat": 35.98, "lon": -94.32, "zip": "", "city": "Prairie Grove", "date": "2026-04-28", "county": "Washington", "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 Prairie Grove", "sourceDetail": "NWS TSA — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2026-04-28-hail-36.26--94.23", "lat": 36.26, "lon": -94.23, "zip": "", "city": "Cave Springs", "date": "2026-04-28", "county": "Benton", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo of hail next to a tape measure sent via social media. Time estimated by radar.", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3 }, { "id": "spc-2026-04-28-159-1542", "lat": 36.25, "lon": -94.17, "zip": "", "city": "Lowell", "date": "2026-04-28", "county": "Benton", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "spc-2026-04-28-160-1543", "lat": 36.24, "lon": -94.23, "zip": "", "city": "Cave Springs", "date": "2026-04-28", "county": "Benton", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-04-28-hail-36.24--94.23", "lat": 36.24, "lon": -94.23, "zip": "", "city": "2 S Cave Springs", "date": "2026-04-28", "county": "Benton", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 S Cave Springs", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "spc-2026-04-28-162-1546", "lat": 36.21, "lon": -94.22, "zip": "", "city": "Elm Springs", "date": "2026-04-28", "county": "Benton", "source": "SPC Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 2.25 }, { "id": "spc-2026-04-28-163-1547", "lat": 36.27, "lon": -94.15, "zip": "", "city": "Lowell", "date": "2026-04-28", "county": "Benton", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.). (TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "spc-2026-04-28-164-1550", "lat": 36.25, "lon": -94.17, "zip": "", "city": "Lowell", "date": "2026-04-28", "county": "Benton", "source": "SPC Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Hen Egg (2.00 in.). (TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-04-28-hail-36.10--93.99", "lat": 36.1, "lon": -93.99, "zip": "", "city": "Goshen", "date": "2026-04-28", "county": "Washington", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo relayed by broadcast media. Hail pictured next to a tape measure. Time estimated by radar.", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.5 }, { "id": "spc-2026-04-28-166-1614", "lat": 36.05, "lon": -94.08, "zip": "", "city": "Fayetteville", "date": "2026-04-28", "county": "Washington", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "spc-2026-04-28-167-1627", "lat": 36.12, "lon": -93.8, "zip": "", "city": "Hindsville", "date": "2026-04-28", "county": "Madison", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Off highway 412 between Hindsville and Huntsville. Size estimated from photo on social media. (TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-04-28-hail-35.95--94.42", "lat": 35.95, "lon": -94.42, "zip": "", "city": "Lincoln", "date": "2026-04-28", "county": "Washington", "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: Half Dollar (1.25 in.).", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-04-28-hail-35.95--94.42", "lat": 35.95, "lon": -94.42, "zip": "", "city": "Lincoln", "date": "2026-04-28", "county": "Washington", "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 Lincoln", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-04-28-hail-35.96--94.41", "lat": 35.96, "lon": -94.41, "zip": "", "city": "1 NE Lincoln", "date": "2026-04-28", "county": "Washington", "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 NE Lincoln", "sourceDetail": "NWS TSA — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-04-28-hail-36.02--94.27", "lat": 36.02, "lon": -94.27, "zip": "", "city": "1 N Walnut Grove", "date": "2026-04-28", "county": "Washington", "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 TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-04-28-hail-36.04--94.25", "lat": 36.04, "lon": -94.25, "zip": "", "city": "Farmington", "date": "2026-04-28", "county": "Washington", "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 Farmington", "sourceDetail": "NWS TSA — Law Enforcement via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-04-28-hail-36.01--94.28", "lat": 36.01, "lon": -94.28, "zip": "", "city": "Walnut Grove", "date": "2026-04-28", "county": "Washington", "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 Walnut Grove", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-04-28-hail-36.00--94.17", "lat": 36, "lon": -94.17, "zip": "", "city": "Greenland", "date": "2026-04-28", "county": "Washington", "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 Greenland", "sourceDetail": "NWS TSA — Amateur Radio via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-ww-TSA-SV-W-187-Washington-wind-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-187" }, { "id": "iem-ww-TSA-SV-W-187-Washington-hail-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "TSA-SV-W-187" }, { "id": "iem-ww-TSA-SV-W-169-Washington-wind-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-169" }, { "id": "iem-ww-TSA-SV-W-169-Washington-hail-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "TSA-SV-W-169" }, { "id": "iem-ww-TSA-SV-W-168-Washington-wind-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-168" }, { "id": "iem-ww-TSA-SV-W-168-Washington-hail-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "TSA-SV-W-168" }, { "id": "iem-ww-TSA-SV-W-166-Washington-wind-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-166" }, { "id": "iem-ww-TSA-SV-W-166-Washington-hail-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "TSA-SV-W-166" }, { "id": "iem-ww-TSA-SV-W-167-Washington-wind-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag wind: 50 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-167" }, { "id": "iem-ww-TSA-SV-W-167-Washington-hail-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "TSA-SV-W-167" }, { "id": "iem-ww-TSA-SV-W-191-Washington-wind-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-191" }, { "id": "iem-ww-TSA-SV-W-191-Washington-hail-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "TSA-SV-W-191" }, { "id": "iem-ww-TSA-SV-W-196-Washington-wind-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-196" }, { "id": "iem-ww-TSA-SV-W-196-Washington-hail-2026-04-28", "zip": "", "city": "Washington", "date": "2026-04-28", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-28. Storm tag hail: 1.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.75, "warningProductKey": "TSA-SV-W-196" }, { "id": "ncei-1334369-2026-04-28", "lon": 211948, "zip": "", "city": "ELM SPGS", "date": "2026-04-28", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "severe", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Baseball size hail damaged homes and vehicles.", "sourceDetail": "Verified by Public — NCEI Event #1334369", "evidenceLevel": "official_backfill", "hailSizeInches": 2.75 }, { "id": "ncei-1329845-2026-04-28", "lon": 211948, "zip": "", "city": "PRAIRIE GROVE", "date": "2026-04-28", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "A couple rounds of strong to severe thunderstorms developed across northwestern Arkansas on the 28th, as a warm front stretched across the area and an upper level disturbance approached from the west. The atmosphere across the region was moderately unstable with strong deep-layer wind shear, the combination of which supported the development of some supercell thunderstorms. Very large hail up to three inches in diameter occurred with the strongest thunderstorms.", "sourceDetail": "Verified by Trained Spotter — NCEI Event #1329845", "evidenceLevel": "official_backfill", "hailSizeInches": 0.88 }, { "id": "ncei-1329855-2026-04-28", "lon": 211948, "zip": "", "city": "WYMAN", "date": "2026-04-28", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Ping pong ball size hail damaged homes and vehicles.", "sourceDetail": "Verified by Public — NCEI Event #1329855", "evidenceLevel": "official_backfill", "hailSizeInches": 1.5 }, { "id": "ncei-1329856-2026-04-28", "lon": 211948, "zip": "", "city": "GOSHEN", "date": "2026-04-28", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "severe", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Tennis ball size hail damaged homes and vehicles.", "sourceDetail": "Verified by Social Media — NCEI Event #1329856", "evidenceLevel": "official_backfill", "hailSizeInches": 2.5 }, { "id": "ncei-1330722-2026-04-28", "lon": 211948, "zip": "", "city": "LINCOLN", "date": "2026-04-28", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Half dollar size hail damaged homes and vehicles.", "sourceDetail": "Verified by Public — NCEI Event #1330722", "evidenceLevel": "official_backfill", "hailSizeInches": 1.25 }, { "id": "ncei-1330715-2026-04-28", "lon": 211948, "zip": "", "city": "LINCOLN", "date": "2026-04-28", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Golf ball size hail damaged homes and vehicles.", "sourceDetail": "Verified by Public — NCEI Event #1330715", "evidenceLevel": "official_backfill", "hailSizeInches": 1.75 }, { "id": "ncei-1330718-2026-04-28", "lon": 211948, "zip": "", "city": "FARMINGTON", "date": "2026-04-28", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "A couple rounds of strong to severe thunderstorms developed across northwestern Arkansas on the 28th, as a warm front stretched across the area and an upper level disturbance approached from the west. The atmosphere across the region was moderately unstable with strong deep-layer wind shear, the combination of which supported the development of some supercell thunderstorms. Very large hail up to three inches in diameter occurred with the strongest thunderstorms.", "sourceDetail": "Verified by Public — NCEI Event #1330718", "evidenceLevel": "official_backfill", "hailSizeInches": 0.75 }, { "id": "ncei-1330719-2026-04-28", "lon": 211948, "zip": "", "city": "FARMINGTON", "date": "2026-04-28", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Golf ball size hail damaged homes and vehicles.", "sourceDetail": "Verified by Law Enforcement — NCEI Event #1330719", "evidenceLevel": "official_backfill", "hailSizeInches": 1.75 }, { "id": "ncei-1330717-2026-04-28", "lon": 211948, "zip": "", "city": "(FYV)FAYETTEVILLE AR", "date": "2026-04-28", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "A couple rounds of strong to severe thunderstorms developed across northwestern Arkansas on the 28th, as a warm front stretched across the area and an upper level disturbance approached from the west. The atmosphere across the region was moderately unstable with strong deep-layer wind shear, the combination of which supported the development of some supercell thunderstorms. Very large hail up to three inches in diameter occurred with the strongest thunderstorms.", "sourceDetail": "Verified by Amateur Radio — NCEI Event #1330717", "evidenceLevel": "official_backfill", "hailSizeInches": 1 }, { "id": "spc-2026-04-25-209-0112", "lat": 35.96, "lon": -94.19, "zip": "", "city": "West Fork", "date": "2026-04-25", "county": "Washington", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated from radar. (TSA)", "sourceDetail": "Storm Prediction Center verified report", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-ww-TSA-SV-W-152-Washington-wind-2026-04-25", "zip": "", "city": "Washington", "date": "2026-04-25", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-25. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-152" }, { "id": "iem-ww-TSA-SV-W-152-Washington-hail-2026-04-25", "zip": "", "city": "Washington", "date": "2026-04-25", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-25. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "TSA-SV-W-152" }, { "id": "iem-ww-TSA-SV-W-154-Washington-wind-2026-04-25", "zip": "", "city": "Washington", "date": "2026-04-25", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-25. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-154" }, { "id": "iem-ww-TSA-SV-W-154-Washington-hail-2026-04-25", "zip": "", "city": "Washington", "date": "2026-04-25", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-25. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "TSA-SV-W-154" }, { "id": "iem-ww-TSA-SV-W-158-Washington-wind-2026-04-25", "zip": "", "city": "Washington", "date": "2026-04-25", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-25. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-158" }, { "id": "iem-ww-TSA-SV-W-158-Washington-hail-2026-04-25", "zip": "", "city": "Washington", "date": "2026-04-25", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-25. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-158" }, { "id": "iem-ww-TSA-SV-W-157-Washington-wind-2026-04-25", "zip": "", "city": "Washington", "date": "2026-04-25", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-25. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-157" }, { "id": "iem-ww-TSA-SV-W-157-Washington-hail-2026-04-25", "zip": "", "city": "Washington", "date": "2026-04-25", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-25. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "TSA-SV-W-157" }, { "id": "ncei-1329836-2026-04-25", "lon": 211944, "zip": "", "city": "WEST FORK", "date": "2026-04-25", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Half dollar size hail damaged homes and vehicles.", "sourceDetail": "Verified by Broadcast Media — NCEI Event #1329836", "evidenceLevel": "official_backfill", "hailSizeInches": 1.25 }, { "id": "ncei-1325044-2026-04-24", "lon": 211942, "zip": "", "city": "FAYETTEVILLE", "date": "2026-04-24", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Strong thunderstorm wind snapped large tree limbs.", "sourceDetail": "Verified by Public — NCEI Event #1325044", "windSpeedMph": 56, "evidenceLevel": "official_backfill" }, { "id": "iem-lsr-2026-04-15-wind-36.15--94.00", "lat": 36.15, "lon": -94, "zip": "", "city": "3 ESE Sonora", "date": "2026-04-15", "county": "Washington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "62 mph wind gusts east of Springdale. Time estimated based on radar data.", "sourceDetail": "NWS TSA — Trained Spotter via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "iem-ww-TSA-SV-W-89-Washington-wind-2026-04-15", "zip": "", "city": "Washington", "date": "2026-04-15", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-15. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-89" }, { "id": "iem-ww-TSA-SV-W-89-Washington-hail-2026-04-15", "zip": "", "city": "Washington", "date": "2026-04-15", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-15. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-89" }, { "id": "asos-bf-XNA-2026-04-15", "lat": 36.282, "lon": -94.307, "zip": "", "city": "NORTHWEST ARKANSAS REGIONAL APT", "date": "2026-04-15", "county": "Benton", "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": "NORTHWEST ARKANSAS REGIONAL APT (XNA) recorded a 53 mph gust.", "sourceDetail": "AR_ASOS automated observation — NORTHWEST ARKANSAS REGIONAL APT (XNA) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-ww-TSA-SV-W-87-Washington-wind-2026-04-14", "zip": "", "city": "Washington", "date": "2026-04-14", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-87" }, { "id": "iem-ww-TSA-SV-W-87-Washington-hail-2026-04-14", "zip": "", "city": "Washington", "date": "2026-04-14", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-14. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-87" }, { "id": "iem-ww-TSA-SV-W-88-Washington-wind-2026-04-14", "zip": "", "city": "Washington", "date": "2026-04-14", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-14. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-88" }, { "id": "iem-ww-TSA-SV-W-88-Washington-hail-2026-04-14", "zip": "", "city": "Washington", "date": "2026-04-14", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-14. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-88" }, { "id": "iem-ww-TSA-TO-W-29-Washington-tornado-2026-04-14", "zip": "", "city": "Washington", "date": "2026-04-14", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "tornado", "confidence": 0.85, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Tornado Warning issued by NWS TSA for Washington on 2026-04-14. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "TSA-TO-W-29" }, { "id": "iem-ww-TSA-TO-W-30-Washington-tornado-2026-04-14", "zip": "", "city": "Washington", "date": "2026-04-14", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "severe", "eventType": "tornado", "confidence": 0.85, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Tornado Warning issued by NWS TSA for Washington on 2026-04-14. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "TSA-TO-W-30" }, { "id": "asos-bf-FYV-2026-04-14", "lat": 36.0051, "lon": -94.1701, "zip": "", "city": "FAYETTEVILLE/DRAKE", "date": "2026-04-14", "county": "Washington", "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": "FAYETTEVILLE/DRAKE (FYV) recorded a 50 mph gust.", "sourceDetail": "AR_ASOS automated observation — FAYETTEVILLE/DRAKE (FYV) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "spc-2026-04-14-258-0530", "lat": 36.15, "lon": -94, "zip": "", "city": "Sonora", "date": "2026-04-14", "county": "Washington", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 90, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "62 mph wind gusts east of Springdale. Time estimated based on radar data. (TSA)", "sourceDetail": "Storm Prediction Center verified report", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "ncei-1325208-2026-04-14", "lon": 211939, "zip": "", "city": "CINCINNATI", "date": "2026-04-14", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "tornado", "confidence": 0.95, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "This is the third segment of a three-segment tornado. The tornado moved into Washington County, AR, south of W Cincinnati Road. It moved northeast across Highway 59 near Cincinnati, where numerous large tree limbs were snapped. Numerous large tree limbs were also snapped as it crossed Rennic Road and Ham Road before dissipating. Based on this damage, maximum estimated wind in this segment of the tornado was 75 to 85 mph.", "sourceDetail": "Verified by NWS Storm Survey — NCEI Event #1325208", "tornadoScale": "EF0", "evidenceLevel": "official_backfill" }, { "id": "ncei-1325212-2026-04-14", "lon": 211939, "zip": "", "city": "MARROW", "date": "2026-04-14", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "tornado", "confidence": 0.95, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "This is the second segment of a two-segment tornado. The tornado crossed into Washington County, AR, near the 4765 Road. It crossed the Baron Fork River, and damaged outbuildings, uprooted trees, and snapped numerous large tree limbs along Salem Springs Road. Trees were uprooted or snapped along Highway 59 and Sugar Hill Road, before the tornado dissipated southwest of Lincoln. Based on this damage, maximum estimated wind in this segment of the tornado was 95 to 105 mph.", "sourceDetail": "Verified by NWS Storm Survey — NCEI Event #1325212", "tornadoScale": "EF1", "evidenceLevel": "official_backfill" }, { "id": "ncei-1328763-2026-04-14", "lon": 211939, "zip": "", "city": "LINCOLN", "date": "2026-04-14", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Strong thunderstorm wind uprooted trees and snapped large tree limbs.", "sourceDetail": "Verified by Broadcast Media — NCEI Event #1328763", "windSpeedMph": 65, "evidenceLevel": "official_backfill" }, { "id": "ncei-1327849-2026-04-14", "lon": 211939, "zip": "", "city": "HARMON", "date": "2026-04-14", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Strong thunderstorm wind blew down power poles and power lines.", "sourceDetail": "Verified by Trained Spotter — NCEI Event #1327849", "windSpeedMph": 61, "evidenceLevel": "official_backfill" }, { "id": "iem-ww-TSA-SV-W-79-Washington-wind-2026-04-04", "zip": "", "city": "Washington", "date": "2026-04-04", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-04. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-79" }, { "id": "iem-ww-TSA-SV-W-79-Washington-hail-2026-04-04", "zip": "", "city": "Washington", "date": "2026-04-04", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-04. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-79" }, { "id": "iem-ww-TSA-SV-W-80-Washington-wind-2026-04-04", "zip": "", "city": "Washington", "date": "2026-04-04", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-04. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-80" }, { "id": "iem-ww-TSA-SV-W-80-Washington-hail-2026-04-04", "zip": "", "city": "Washington", "date": "2026-04-04", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-04-04. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-80" }, { "id": "asos-bf-FYV-2026-04-02", "lat": 36.0051, "lon": -94.1701, "zip": "", "city": "FAYETTEVILLE/DRAKE", "date": "2026-04-02", "county": "Washington", "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": "FAYETTEVILLE/DRAKE (FYV) recorded a 52 mph gust.", "sourceDetail": "AR_ASOS automated observation — FAYETTEVILLE/DRAKE (FYV) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-hail-36.11--94.18", "lat": 36.11, "lon": -94.18, "zip": "", "city": "2 SW Johnson", "date": "2026-03-15", "county": "Washington", "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 TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-03-15-hail-36.14--94.18", "lat": 36.14, "lon": -94.18, "zip": "", "city": "1 NW Johnson", "date": "2026-03-15", "county": "Washington", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Broadcast media reports nickel sized hail falling at the tv station.", "sourceDetail": "NWS TSA — Broadcast Media via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-ww-TSA-SV-W-66-Washington-wind-2026-03-15", "zip": "", "city": "Washington", "date": "2026-03-15", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-03-15. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-66" }, { "id": "iem-ww-TSA-SV-W-66-Washington-hail-2026-03-15", "zip": "", "city": "Washington", "date": "2026-03-15", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-03-15. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "TSA-SV-W-66" }, { "id": "asos-bf-ASG-2026-03-15", "lat": 36.1764, "lon": -94.1193, "zip": "", "city": "SPRINGDALE MUNI", "date": "2026-03-15", "county": "Washington", "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": "SPRINGDALE MUNI (ASG) recorded a 51 mph gust.", "sourceDetail": "AR_ASOS automated observation — SPRINGDALE MUNI (ASG) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "ncei-1318915-2026-03-15", "lon": 211084, "zip": "", "city": "JOHNSON", "date": "2026-03-15", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Strong thunderstorms developed across portions of northwestern Arkansas during the afternoon of the 15th, as an upper level disturbance and associated cold front approached the region. The strongest thunderstorms produced hail up to nickel size.", "sourceDetail": "Verified by Public — NCEI Event #1318915", "evidenceLevel": "official_backfill", "hailSizeInches": 0.75 }, { "id": "ncei-1318916-2026-03-15", "lon": 211084, "zip": "", "city": "JOHNSON", "date": "2026-03-15", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Strong thunderstorms developed across portions of northwestern Arkansas during the afternoon of the 15th, as an upper level disturbance and associated cold front approached the region. The strongest thunderstorms produced hail up to nickel size.", "sourceDetail": "Verified by Broadcast Media — NCEI Event #1318916", "evidenceLevel": "official_backfill", "hailSizeInches": 0.88 }, { "id": "iem-ww-TSA-SV-W-58-Washington-wind-2026-03-11", "zip": "", "city": "Washington", "date": "2026-03-11", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-03-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-58" }, { "id": "iem-ww-TSA-SV-W-58-Washington-hail-2026-03-11", "zip": "", "city": "Washington", "date": "2026-03-11", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-03-11. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-58" }, { "id": "iem-ww-TSA-SV-W-59-Washington-wind-2026-03-11", "zip": "", "city": "Washington", "date": "2026-03-11", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-03-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-59" }, { "id": "iem-ww-TSA-SV-W-59-Washington-hail-2026-03-11", "zip": "", "city": "Washington", "date": "2026-03-11", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-03-11. Storm tag hail: 1\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "TSA-SV-W-59" }, { "id": "iem-ww-TSA-SV-W-62-Washington-wind-2026-03-11", "zip": "", "city": "Washington", "date": "2026-03-11", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-03-11. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-62" }, { "id": "iem-ww-TSA-SV-W-62-Washington-hail-2026-03-11", "zip": "", "city": "Washington", "date": "2026-03-11", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-03-11. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-62" }, { "id": "asos-bf-FYV-2026-03-07", "lat": 36.0051, "lon": -94.1701, "zip": "", "city": "FAYETTEVILLE/DRAKE", "date": "2026-03-07", "county": "Washington", "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": "FAYETTEVILLE/DRAKE (FYV) recorded a 50 mph gust.", "sourceDetail": "AR_ASOS automated observation — FAYETTEVILLE/DRAKE (FYV) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-04-hail-36.39--94.33", "lat": 36.39, "lon": -94.33, "zip": "", "city": "3 S Hiwasse", "date": "2026-03-04", "county": "Benton", "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 TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-04-hail-36.42--94.28", "lat": 36.42, "lon": -94.28, "zip": "", "city": "1 W Miller", "date": "2026-03-04", "county": "Benton", "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: Golf Ball (1.75 in.).", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "fema-3636-Washington", "zip": "", "city": "Washington", "date": "2026-01-23", "county": "Washington", "source": "FEMA Declaration", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Federal disaster declaration: SEVERE WINTER STORM", "sourceDetail": "FEMA DR-3636: SEVERE WINTER STORM", "evidenceLevel": "official_backfill" }, { "id": "iem-ww-TSA-SV-W-16-Washington-wind-2026-01-08", "zip": "", "city": "Washington", "date": "2026-01-08", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-01-08. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-16" }, { "id": "iem-ww-TSA-SV-W-16-Washington-hail-2026-01-08", "zip": "", "city": "Washington", "date": "2026-01-08", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-01-08. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-16" }, { "id": "iem-ww-TSA-SV-W-14-Washington-wind-2026-01-08", "zip": "", "city": "Washington", "date": "2026-01-08", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-01-08. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-14" }, { "id": "iem-ww-TSA-SV-W-14-Washington-hail-2026-01-08", "zip": "", "city": "Washington", "date": "2026-01-08", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-01-08. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-14" }, { "id": "iem-ww-TSA-SV-W-15-Washington-wind-2026-01-08", "zip": "", "city": "Washington", "date": "2026-01-08", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-01-08. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-15" }, { "id": "iem-ww-TSA-SV-W-15-Washington-hail-2026-01-08", "zip": "", "city": "Washington", "date": "2026-01-08", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2026-01-08. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "TSA-SV-W-15" }, { "id": "asos-bf-XNA-2025-12-18", "lat": 36.282, "lon": -94.307, "zip": "", "city": "NORTHWEST ARKANSAS REGIONAL APT", "date": "2025-12-18", "county": "Benton", "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": "NORTHWEST ARKANSAS REGIONAL APT (XNA) recorded a 52 mph gust.", "sourceDetail": "AR_ASOS automated observation — NORTHWEST ARKANSAS REGIONAL APT (XNA) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-SLG-2025-12-18", "lat": 36.1919, "lon": -94.49, "zip": "", "city": "SILOAM SPRING(AWOS)", "date": "2025-12-18", "county": "Washington", "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": "SILOAM SPRING(AWOS) (SLG) recorded a 51 mph gust.", "sourceDetail": "AR_ASOS automated observation — SILOAM SPRING(AWOS) (SLG) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-23-hail-35.93--94.44", "lat": 35.93, "lon": -94.44, "zip": "", "city": "2 SW Lincoln", "date": "2025-09-23", "county": "Washington", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report relayed through Spotter Network.", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-ww-TSA-SV-W-477-Washington-wind-2025-09-23", "zip": "", "city": "Washington", "date": "2025-09-23", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2025-09-23. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-477" }, { "id": "iem-ww-TSA-SV-W-477-Washington-hail-2025-09-23", "zip": "", "city": "Washington", "date": "2025-09-23", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2025-09-23. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "TSA-SV-W-477" }, { "id": "iem-ww-TSA-SV-W-479-Washington-wind-2025-09-23", "zip": "", "city": "Washington", "date": "2025-09-23", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2025-09-23. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-479" }, { "id": "iem-ww-TSA-SV-W-479-Washington-hail-2025-09-23", "zip": "", "city": "Washington", "date": "2025-09-23", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2025-09-23. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "TSA-SV-W-479" }, { "id": "iem-ww-TSA-SV-W-481-Washington-wind-2025-09-23", "zip": "", "city": "Washington", "date": "2025-09-23", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2025-09-23. Storm tag wind: 70 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 70, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-481" }, { "id": "iem-ww-TSA-SV-W-481-Washington-hail-2025-09-23", "zip": "", "city": "Washington", "date": "2025-09-23", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "moderate", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2025-09-23. Storm tag hail: 0.88\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.88, "warningProductKey": "TSA-SV-W-481" }, { "id": "iem-ww-TSA-SV-W-478-Washington-wind-2025-09-23", "zip": "", "city": "Washington", "date": "2025-09-23", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 0.72, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2025-09-23. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "TSA-SV-W-478" }, { "id": "iem-ww-TSA-SV-W-478-Washington-hail-2025-09-23", "zip": "", "city": "Washington", "date": "2025-09-23", "county": "Washington", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 0.72, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS TSA for Washington on 2025-09-23. Storm tag hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS TSA — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "TSA-SV-W-478" }, { "id": "ncei-1291488-2025-09-23", "lon": 206974, "zip": "", "city": "LINCOLN", "date": "2025-09-23", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Ping pong ball size hail damaged homes and vehicles.", "sourceDetail": "Verified by Trained Spotter — NCEI Event #1291488", "evidenceLevel": "official_backfill", "hailSizeInches": 1.5 }, { "id": "ncei-1292078-2025-09-23", "lon": 206974, "zip": "", "city": "PRAIRIE GROVE", "date": "2025-09-23", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Strong thunderstorm wind snapped numerous large tree limbs.", "sourceDetail": "Verified by Public — NCEI Event #1292078", "windSpeedMph": 56, "evidenceLevel": "official_backfill" }, { "id": "iem-lsr-2025-09-21-hail-36.34--94.46", "lat": 36.34, "lon": -94.46, "zip": "", "city": "Decatur", "date": "2025-09-21", "county": "Benton", "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 Decatur", "sourceDetail": "NWS TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2025-09-21-hail-36.33--94.15", "lat": 36.33, "lon": -94.15, "zip": "", "city": "2 W Rogers", "date": "2025-09-21", "county": "Benton", "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 W Rogers", "sourceDetail": "NWS TSA — Storm Chaser via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-lsr-2025-09-21-hail-36.18--94.21", "lat": 36.18, "lon": -94.21, "zip": "", "city": "1 E Tontitown", "date": "2025-09-21", "county": "Washington", "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 TSA — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "ncei-1292049-2025-09-20", "lon": 206885, "zip": "", "city": "TONTITOWN", "date": "2025-09-20", "county": "Washington", "source": "NCEI Storm Events Database", "severity": "moderate", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Strong to severe thunderstorms developed over northern Oklahoma during the evening of the 20th, along a stalled frontal boundary. These storms moved east across portions of northwestern Arkansas during the late evening hours. The strongest storms produced large hail up to half dollar size.", "sourceDetail": "Verified by Public — NCEI Event #1292049", "evidenceLevel": "official_backfill", "hailSizeInches": 0.75 } ] }