{ "dataset": "Springfield, OH storm events — 12-month window, 25-mile radius plus Clark 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": "2026-09-20T09:25:19.78+00:00", "window_days": 365, "schema_version": "2.0.0", "event_count": 176, "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": "iem-ww-ILN-SV-W-269-Clark-wind-2026-09-16", "zip": "", "city": "Clark", "date": "2026-09-16", "county": "Clark", "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 ILN for Clark on 2026-09-16. Storm tag wind: 60 mph. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-269" }, { "id": "iem-ww-ILN-SV-W-269-Clark-hail-2026-09-16", "zip": "", "city": "Clark", "date": "2026-09-16", "county": "Clark", "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 ILN for Clark on 2026-09-16. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-269" }, { "id": "nws-alert-6d18210d53d8c1bc.001-Clark-wind-2026-09-04", "lat": 39.97666666666666, "lon": -84.04333333333334, "zip": "", "city": "", "date": "2026-09-04", "county": "Clark", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Clark. Max wind: 60 mph. Severe Thunderstorm Warning issued September 4 at 3:13PM EDT until September 4 at 4:00PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning Max wind: 60 mph.", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-238" }, { "id": "nws-alert-6d18210d53d8c1bc.001-Clark-hail-2026-09-04", "lat": 39.97666666666666, "lon": -84.04333333333334, "zip": "", "city": "", "date": "2026-09-04", "county": "Clark", "source": "NWS Weather Alert", "severity": "moderate", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Clark. Max hail: 0.75\". Severe Thunderstorm Warning issued September 4 at 3:13PM EDT until September 4 at 4:00PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning Max hail: 0.75\".", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-238" }, { "id": "nws-alert-6d18210d53d8c1bc.001-Greene-wind-2026-09-04", "lat": 39.97666666666666, "lon": -84.04333333333334, "zip": "", "city": "", "date": "2026-09-04", "county": "Greene", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Greene. Max wind: 60 mph. Severe Thunderstorm Warning issued September 4 at 3:13PM EDT until September 4 at 4:00PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning Max wind: 60 mph.", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-238" }, { "id": "nws-alert-6d18210d53d8c1bc.001-Greene-hail-2026-09-04", "lat": 39.97666666666666, "lon": -84.04333333333334, "zip": "", "city": "", "date": "2026-09-04", "county": "Greene", "source": "NWS Weather Alert", "severity": "moderate", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Greene. Max hail: 0.75\". Severe Thunderstorm Warning issued September 4 at 3:13PM EDT until September 4 at 4:00PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning Max hail: 0.75\".", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-238" }, { "id": "nws-alert-6d18210d53d8c1bc.001-Miami-wind-2026-09-04", "lat": 39.97666666666666, "lon": -84.04333333333334, "zip": "", "city": "", "date": "2026-09-04", "county": "Miami", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Miami. Max wind: 60 mph. Severe Thunderstorm Warning issued September 4 at 3:13PM EDT until September 4 at 4:00PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning Max wind: 60 mph.", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-238" }, { "id": "nws-alert-6d18210d53d8c1bc.001-Miami-hail-2026-09-04", "lat": 39.97666666666666, "lon": -84.04333333333334, "zip": "", "city": "", "date": "2026-09-04", "county": "Miami", "source": "NWS Weather Alert", "severity": "moderate", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Miami. Max hail: 0.75\". Severe Thunderstorm Warning issued September 4 at 3:13PM EDT until September 4 at 4:00PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning Max hail: 0.75\".", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-238" }, { "id": "nws-alert-6d18210d53d8c1bc.001-Montgome-wind-2026-09-04", "lat": 39.97666666666666, "lon": -84.04333333333334, "zip": "", "city": "", "date": "2026-09-04", "county": "Montgomery", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Montgomery. Max wind: 60 mph. Severe Thunderstorm Warning issued September 4 at 3:13PM EDT until September 4 at 4:00PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning Max wind: 60 mph.", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-238" }, { "id": "nws-alert-6d18210d53d8c1bc.001-Montgome-hail-2026-09-04", "lat": 39.97666666666666, "lon": -84.04333333333334, "zip": "", "city": "", "date": "2026-09-04", "county": "Montgomery", "source": "NWS Weather Alert", "severity": "moderate", "eventType": "hail", "confidence": 88, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning for Montgomery. Max hail: 0.75\". Severe Thunderstorm Warning issued September 4 at 3:13PM EDT until September 4 at 4:00PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning Max hail: 0.75\".", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-238" }, { "id": "nws-alert-fff102750963306e.001-Clark-wind", "zip": "", "city": "Clark", "date": "2026-09-04", "county": "Clark", "source": "NWS Weather Alert", "severity": "high", "eventType": "wind", "confidence": 88, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Severe Thunderstorm Warning for Clark. Severe Thunderstorm Warning issued September 4 at 3:52PM EDT until September 4 at 4:30PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-241" }, { "id": "iem-ww-ILN-SV-W-241-Clark-hail-2026-09-04", "zip": "", "city": "Clark", "date": "2026-09-04", "county": "Clark", "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 ILN for Clark on 2026-09-04. Storm tag hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-241" }, { "id": "ww-ILN-SV-W-224-2026-08-16-Clark-wind", "zip": "", "city": "", "date": "2026-08-16", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-16. Duration: 48 min. Counties: Clark, Greene, Franklin, Madison, Pickaway. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #224 (48 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-224" }, { "id": "ww-ILN-SV-W-224-2026-08-16-Clark-hail", "zip": "", "city": "", "date": "2026-08-16", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-16. Duration: 48 min. Counties: Clark, Greene, Franklin, Madison, Pickaway. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #224 (48 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-224" }, { "id": "spc-2026-08-15-108-0029", "lat": 40.16, "lon": -83.95, "zip": "", "city": "Saint Paris", "date": "2026-08-15", "county": "Champaign", "source": "SPC Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 90, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Tree down on Ward Road property. (ILN)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported" }, { "id": "iem-geo-2026-08-15-tornado-40.18--84.12", "lat": 40.18, "lon": -84.12, "zip": "", "city": "3 N Fletcher", "date": "2026-08-15", "county": "Miami", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "EFU tornado confirmed north of Fletcher in Miami County, Ohio. No known damage observed.", "sourceDetail": "NWS ILN — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-geo-2026-08-15-tornado-40.17--84.01", "lat": 40.17, "lon": -84.01, "zip": "", "city": "4 NW Saint Paris", "date": "2026-08-15", "county": "Champaign", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "EF0 tornado confirmed northwest of St. Paris in Champaign County, Ohio. Maximum winds of 65 MPH. Minor tree and barn damage observed.", "sourceDetail": "NWS ILN — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-geo-2026-08-15-tornado-40.16--83.98", "lat": 40.16, "lon": -83.98, "zip": "", "city": "2 NNW Saint Paris", "date": "2026-08-15", "county": "Champaign", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "EF0 tornado confirmed north of St. Paris in Champaign County, Ohio. Maximum winds of 75 MPH. Several trees downed, with siding removed from a house.", "sourceDetail": "NWS ILN — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-284-1324", "lat": 40.02, "lon": -83.8, "zip": "", "city": "Tremont City", "date": "2026-08-11", "county": "Clark", "source": "SPC Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 90, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "EF0 tornado confirmed north of Springfield in Clark County... Ohio. Maximum winds of 80 MPH. Semi trailer flipped and damage to trees. (ILN)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-285-1330", "lat": 40.06, "lon": -83.69, "zip": "", "city": "Mutual", "date": "2026-08-11", "county": "Champaign", "source": "SPC Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 90, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "EF1 tornado confirmed southeast of Urbana in Champaign County... Ohio. Maximum winds of 110 MPH. Damage to trees and a few homes. (ILN)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-286-1331", "lat": 39.93, "lon": -83.76, "zip": "", "city": "Springfield", "date": "2026-08-11", "county": "Clark", "source": "SPC Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 90, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "EF1 tornado confirmed east of Springfield in Clark County... Ohio. Maximum winds of 100 MPH. Tree damage... with a few barns destroyed... and a garage removed from a ho (ILN)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-287-1333", "lat": 39.99, "lon": -83.65, "zip": "", "city": "Catawba", "date": "2026-08-11", "county": "Clark", "source": "SPC Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 90, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "EF2 tornado confirmed south of Catawba in Clark County... Ohio. Maximum winds of 115 MPH. One home had its roof completely removed. Several outbuildings were damaged. (ILN)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-288-1344", "lat": 39.97, "lon": -83.49, "zip": "", "city": "Choctaw Lake", "date": "2026-08-11", "county": "Madison", "source": "SPC Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 90, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "EF1 tornado confirmed on the northwest side of Choctaw Lake in Madison County... Ohio. Maximum winds of 90 MPH. Damage to numerous trees... with minor damage to a few h (ILN)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported" }, { "id": "ww-ILN-SV-W-208-2026-08-11-Clark-wind", "zip": "", "city": "", "date": "2026-08-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-11. Duration: 48 min. Counties: Brown, Adams, Clark, Clinton, Madison, Pickaway, Fayette, Franklin, Greene. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #208 (48 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-208" }, { "id": "ww-ILN-SV-W-208-2026-08-11-Clark-hail", "zip": "", "city": "", "date": "2026-08-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-11. Duration: 48 min. Counties: Brown, Adams, Clark, Clinton, Madison, Pickaway, Fayette, Franklin, Greene. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #208 (48 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-208" }, { "id": "ww-ILN-SV-W-206-2026-08-11-Clark-wind", "zip": "", "city": "", "date": "2026-08-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-11. Duration: 50 min. Counties: Franklin, Pickaway, Fairfield, Licking, Clark, Greene, Montgomery. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #206 (50 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-206" }, { "id": "ww-ILN-SV-W-206-2026-08-11-Clark-hail", "zip": "", "city": "", "date": "2026-08-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-11. Duration: 50 min. Counties: Franklin, Pickaway, Fairfield, Licking, Clark, Greene, Montgomery. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #206 (50 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-206" }, { "id": "ww-ILN-SV-W-205-2026-08-11-Clark-wind", "zip": "", "city": "", "date": "2026-08-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-11. Duration: 34 min. Counties: Clinton, Greene, Warren, Champaign, Clark, Miami, Montgomery. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #205 (34 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-205" }, { "id": "ww-ILN-SV-W-205-2026-08-11-Clark-hail", "zip": "", "city": "", "date": "2026-08-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-11. Duration: 34 min. Counties: Clinton, Greene, Warren, Champaign, Clark, Miami, Montgomery. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #205 (34 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-205" }, { "id": "ww-ILN-SV-W-197-2026-08-11-Clark-wind", "zip": "", "city": "", "date": "2026-08-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-11. Duration: 40 min. Counties: Champaign, Clark, Greene, Logan. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #197 (40 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-197" }, { "id": "ww-ILN-SV-W-197-2026-08-11-Clark-hail", "zip": "", "city": "", "date": "2026-08-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-11. Duration: 40 min. Counties: Champaign, Clark, Greene, Logan. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #197 (40 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-197" }, { "id": "ww-ILN-SV-W-199-2026-08-11-Clark-wind", "zip": "", "city": "", "date": "2026-08-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-11. Duration: 53 min. Counties: Union, Madison, Champaign, Clark. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #199 (53 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-199" }, { "id": "ww-ILN-SV-W-199-2026-08-11-Clark-hail", "zip": "", "city": "", "date": "2026-08-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-08-11. Duration: 53 min. Counties: Union, Madison, Champaign, Clark. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #199 (53 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-199" }, { "id": "iem-ww-ILN-TO-W-46-Clark-tornado-2026-08-11", "zip": "", "city": "Clark", "date": "2026-08-11", "county": "Clark", "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 ILN for Clark on 2026-08-11. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "ILN-TO-W-46" }, { "id": "iem-ww-ILN-TO-W-45-Clark-tornado-2026-08-11", "zip": "", "city": "Clark", "date": "2026-08-11", "county": "Clark", "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 ILN for Clark on 2026-08-11. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "ILN-TO-W-45" }, { "id": "iem-geo-2026-08-11T13:06:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-08-11", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 53 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-08-11T13:12:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-08-11", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 54 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-07-18T19:28:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-07-18", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 54 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-10-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-07-10", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "50 MPH GUST AT DAYTON INTERNATIONAL AIRPORT.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-202607102147-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-07-10", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 58 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-14-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-06-14", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "ww-ILN-SV-W-109-2026-06-14-Clark-wind", "zip": "", "city": "", "date": "2026-06-14", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-06-14. Duration: 44 min. Counties: Champaign, Madison, Union, Clark, Delaware, Franklin. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #109 (44 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-109" }, { "id": "ww-ILN-SV-W-109-2026-06-14-Clark-hail", "zip": "", "city": "", "date": "2026-06-14", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-06-14. Duration: 44 min. Counties: Champaign, Madison, Union, Clark, Delaware, Franklin. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #109 (44 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-109" }, { "id": "iem-202606141905-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-06-14", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 63 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-12-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-06-12", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-12-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-06-12", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KFFO Wright-Patterson AFB.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "ww-ILN-SV-W-108-2026-06-12-Clark-wind", "zip": "", "city": "", "date": "2026-06-12", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-06-12. Duration: 40 min. Counties: Champaign, Clark, Miami. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #108 (40 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-108" }, { "id": "ww-ILN-SV-W-108-2026-06-12-Clark-hail", "zip": "", "city": "", "date": "2026-06-12", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-06-12. Duration: 40 min. Counties: Champaign, Clark, Miami. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #108 (40 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-108" }, { "id": "iem-202606120422-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-06-12", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 61 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-202606120433-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-06-12", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 W Fairborn, OH. Peak gust: 59 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-06-12T04:52:00Z-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-06-12", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 53 mph. AWOS station KSGH Springfield-Beckley Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "ww-ILN-SV-W-100-2026-06-06-Clark-wind", "zip": "", "city": "", "date": "2026-06-06", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-06-06. Duration: 53 min. Counties: Madison, Fayette, Clark, Greene. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #100 (53 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-100" }, { "id": "ww-ILN-SV-W-100-2026-06-06-Clark-hail", "zip": "", "city": "", "date": "2026-06-06", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-06-06. Duration: 53 min. Counties: Madison, Fayette, Clark, Greene. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #100 (53 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "ILN-SV-W-100" }, { "id": "ww-ILN-SV-W-83-2026-05-19-Clark-wind", "zip": "", "city": "", "date": "2026-05-19", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-05-19. Duration: 49 min. Counties: Shelby, Champaign, Clark, Logan, Miami. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #83 (49 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-83" }, { "id": "ww-ILN-SV-W-83-2026-05-19-Clark-hail", "zip": "", "city": "", "date": "2026-05-19", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-05-19. Duration: 49 min. Counties: Shelby, Champaign, Clark, Logan, Miami. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #83 (49 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-83" }, { "id": "ww-ILN-SV-W-88-2026-05-19-Clark-wind", "zip": "", "city": "", "date": "2026-05-19", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-05-19. Duration: 49 min. Counties: Clinton, Greene, Madison, Clark, Fayette. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #88 (49 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-88" }, { "id": "ww-ILN-SV-W-88-2026-05-19-Clark-hail", "zip": "", "city": "", "date": "2026-05-19", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-05-19. Duration: 49 min. Counties: Clinton, Greene, Madison, Clark, Fayette. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #88 (49 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-88" }, { "id": "spc-2026-05-16-1036-1232", "lat": 40.09, "lon": -83.75, "zip": "", "city": "Urbana", "date": "2026-05-16", "county": "Champaign", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Quarter to half dollar size hail south of town. (ILN)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-202605161243-hail-40.17--83.63", "lat": 40.17, "lon": -83.63, "zip": "", "city": "5 SW North Lewisburg", "date": "2026-05-16", "county": "Champaign", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 5 SW North Lewisburg, OH. Hail size: 0.88\".", "sourceDetail": "NWS ILN — Broadcast Media via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.88 }, { "id": "iem-geo-2026-04-28T04:14:00Z-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-04-28", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 W Fairborn, OH. Peak gust: 53 mph. ASOS station KFFO Wright-Patterson AFB.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-28-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2026-04-28", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KUYF Madison County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-202604280455-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-04-28", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 W Fairborn, OH. Peak gust: 61 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-202604280455-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2026-04-28", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE Choctaw Lake, OH. Peak gust: 68 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-04-28T04:56:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-04-28", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 53 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-04-28T04:38:00Z-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-04-28", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 W Fairborn, OH. Peak gust: 56 mph. ASOS station KFFO Wright-Patterson AFB.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-04-28T03:31:00Z-wind-39.88--83.94", "lat": 39.88, "lon": -83.94, "zip": "", "city": "Enon", "date": "2026-04-27", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Enon, OH. Peak gust: 54 mph. Personal Weather Station.", "sourceDetail": "NWS ILN — Broadcast Media via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-geo-2026-04-13T08:20:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-04-13", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 56 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-04-04T22:41:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-04-04", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 54 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "ww-ILN-SV-W-45-2026-03-26-Clark-wind", "zip": "", "city": "", "date": "2026-03-26", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-26. Duration: 51 min. Counties: Darke, Preble, Logan, Champaign, Clark, Miami, Montgomery, Shelby. Storm tags: wind: 60.0, hail: 1.0\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #45 (51 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-45" }, { "id": "ww-ILN-SV-W-45-2026-03-26-Clark-hail", "zip": "", "city": "", "date": "2026-03-26", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-26. Duration: 51 min. Counties: Darke, Preble, Logan, Champaign, Clark, Miami, Montgomery, Shelby. Storm tags: wind: 60.0, hail: 1.0\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #45 (51 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "ILN-SV-W-45" }, { "id": "iem-geo-2026-03-27T02:42:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-26", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 54 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-202603230134-hail-40.25--83.76", "lat": 40.25, "lon": -83.76, "zip": "", "city": "West Liberty", "date": "2026-03-22", "county": "Logan", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near West Liberty, OH. Hail size: 1\".", "sourceDetail": "NWS ILN — Amateur Radio via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-202603230220-hail-39.99--83.94", "lat": 39.99, "lon": -83.94, "zip": "", "city": "North Hampton", "date": "2026-03-22", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near North Hampton, OH. Hail size: 1.5\".", "sourceDetail": "NWS ILN — Amateur Radio via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-202603230240-hail-39.89--83.45", "lat": 39.89, "lon": -83.45, "zip": "", "city": "London", "date": "2026-03-22", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near London, OH. Hail size: 1\".", "sourceDetail": "NWS ILN — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-202603230247-hail-39.90--83.44", "lat": 39.9, "lon": -83.44, "zip": "", "city": "1 NE London", "date": "2026-03-22", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 NE London, OH. Hail size: 1\".", "sourceDetail": "NWS ILN — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "ncei-1316345-2026-03-22", "lon": 210783, "zip": "", "city": "NORTH HAMPTON", "date": "2026-03-22", "county": "Clark", "source": "NCEI Storm Events Database", "severity": "high", "eventType": "hail", "confidence": 0.95, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "A cold front moved through the region during the afternoon and evening on the 22nd. Storms formed out ahead of the front and produced damaging winds and large hail.", "sourceDetail": "Verified by Amateur Radio — NCEI Event #1316345", "evidenceLevel": "official_backfill", "hailSizeInches": 1.5 }, { "id": "ww-ILN-SV-W-38-2026-03-22-Clark-wind", "zip": "", "city": "", "date": "2026-03-22", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-22. Duration: 48 min. Counties: Champaign, Clark, Franklin, Pickaway, Union, Madison. Storm tags: wind: 50.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #38 (48 min)", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-38" }, { "id": "ww-ILN-SV-W-38-2026-03-22-Clark-hail", "zip": "", "city": "", "date": "2026-03-22", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-22. Duration: 48 min. Counties: Champaign, Clark, Franklin, Pickaway, Union, Madison. Storm tags: wind: 50.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #38 (48 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "ILN-SV-W-38" }, { "id": "ww-ILN-SV-W-33-2026-03-22-Clark-wind", "zip": "", "city": "", "date": "2026-03-22", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-22. Duration: 35 min. Counties: Miami, Shelby, Champaign, Clark, Logan. Storm tags: wind: 50.0, hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #33 (35 min)", "windSpeedMph": 50, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-33" }, { "id": "ww-ILN-SV-W-33-2026-03-22-Clark-hail", "zip": "", "city": "", "date": "2026-03-22", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-22. Duration: 35 min. Counties: Miami, Shelby, Champaign, Clark, Logan. Storm tags: wind: 50.0, hail: 1.25\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #33 (35 min)", "evidenceLevel": "warning", "hailSizeInches": 1.25, "warningProductKey": "ILN-SV-W-33" }, { "id": "ww-ILN-SV-W-32-2026-03-22-Clark-wind", "zip": "", "city": "", "date": "2026-03-22", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-22. Duration: 52 min. Counties: Champaign, Clark, Logan, Delaware, Madison, Union. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #32 (52 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-32" }, { "id": "ww-ILN-SV-W-32-2026-03-22-Clark-hail", "zip": "", "city": "", "date": "2026-03-22", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-22. Duration: 52 min. Counties: Champaign, Clark, Logan, Delaware, Madison, Union. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #32 (52 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "ILN-SV-W-32" }, { "id": "iem-202603161318-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-16", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 59 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-16-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-16", "county": "Clark", "source": "IEM 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 KSGH Springfield-Beckley Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-16-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-16", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "ww-ILN-SV-W-17-2026-03-16-Clark-wind", "zip": "", "city": "", "date": "2026-03-16", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-16. Duration: 42 min. Counties: Clark, Greene, Logan, Champaign, Madison, Union. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #17 (42 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-17" }, { "id": "ww-ILN-SV-W-17-2026-03-16-Clark-hail", "zip": "", "city": "", "date": "2026-03-16", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-16. Duration: 42 min. Counties: Clark, Greene, Logan, Champaign, Madison, Union. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #17 (42 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-17" }, { "id": "iem-202603160523-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-16", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 68 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-202603160556-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-16", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 60 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-16T05:41:00Z-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-03-16", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 W Fairborn, OH. Peak gust: 56 mph. ASOS station KFFO Wright-Patterson AFB.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-16T04:22:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-16", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 53 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-16T16:59:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-16", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 54 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-15", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-15", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "KDAY ASOS.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-39.69--83.99", "lat": 39.69, "lon": -83.99, "zip": "", "city": "3 W Xenia", "date": "2026-03-15", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "KGDK AWOS.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-202603151700-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-15", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 70 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "iem-202603151800-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-15", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 67 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-202603151815-wind-39.69--83.99", "lat": 39.69, "lon": -83.99, "zip": "", "city": "3 W Xenia", "date": "2026-03-15", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 W Xenia, OH. Peak gust: 59 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-15T18:07:00Z-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-03-15", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 W Fairborn, OH. Peak gust: 55 mph. KFFO ASOS.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-15T17:55:00Z-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2026-03-15", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE Choctaw Lake, OH. Peak gust: 56 mph. AWOS station KUYF Madison County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-15T18:04:00Z-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-15", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 56 mph. KSGH AWOS.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-13", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-39.69--83.99", "lat": 39.69, "lon": -83.99, "zip": "", "city": "3 W Xenia", "date": "2026-03-13", "county": "Greene", "source": "IEM 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 KGDK Xenia Greene County Apt.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-13", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-202603131352-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-13", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 59 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2026-03-13", "county": "Madison", "source": "IEM 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 KUYF Madison County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2026-03-13", "county": "Madison", "source": "IEM 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 KUYF Madison County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-13", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 77, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-13", "county": "Clark", "source": "IEM 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 KSGH Springfield-Beckley Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-39.69--83.99", "lat": 39.69, "lon": -83.99, "zip": "", "city": "3 W Xenia", "date": "2026-03-13", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KGDK Xenia Greene County Apt.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-13T15:52:00Z-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-03-13", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 W Fairborn, OH. Peak gust: 54 mph. ASOS station KFFO Wright-Patterson AFB.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-13", "county": "Clark", "source": "IEM 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 KSGH Springfield-Beckley Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-202603131715-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2026-03-13", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE Choctaw Lake, OH. Peak gust: 61 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-13", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KSGH Springfield-Beckley Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-03-13", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KFFO Wright-Patterson Air Force Base.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-202603131740-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-13", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 63 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-202603131520-wind-39.69--83.99", "lat": 39.69, "lon": -83.99, "zip": "", "city": "3 W Xenia", "date": "2026-03-13", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 W Xenia, OH. Peak gust: 62 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-202603131530-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-13", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 61 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-202603131629-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-13", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 68 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-202603131655-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2026-03-13", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE Choctaw Lake, OH. Peak gust: 60 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-202603131715-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-13", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 89 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 89, "evidenceLevel": "observed" }, { "id": "iem-202603131740-wind-39.69--83.99", "lat": 39.69, "lon": -83.99, "zip": "", "city": "3 W Xenia", "date": "2026-03-13", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 W Xenia, OH. Peak gust: 67 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-202603131755-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-03-13", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 W Fairborn, OH. Peak gust: 62 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-202603131854-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-13", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 64 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-202603131915-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2026-03-13", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE Choctaw Lake, OH. Peak gust: 70 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "iem-202603131930-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-13", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 69 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 69, "evidenceLevel": "observed" }, { "id": "iem-202603132003-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-03-13", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 W Fairborn, OH. Peak gust: 68 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-202603132005-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-13", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 72 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 72, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-13T15:18:00Z-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-13", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 53 mph. AWOS station KSGH Springfield-Beckley Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-13T14:55:00Z-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2026-03-13", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE Choctaw Lake, OH. Peak gust: 54 mph. AWOS station KUYF Madison County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-13T16:30:00Z-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2026-03-13", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 W Fairborn, OH. Peak gust: 55 mph. ASOS station KFFO Wright-Patterson AFB.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-13T16:15:00Z-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2026-03-13", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE Choctaw Lake, OH. Peak gust: 56 mph. AWOS station KUYF Madison County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-11-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-11", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "KDAY ASOS.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-11-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-11", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "KSGH AWOS.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "ww-ILN-SV-W-10-2026-03-11-Clark-wind", "zip": "", "city": "", "date": "2026-03-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-11. Duration: 52 min. Counties: Shelby, Miami, Montgomery, Champaign, Clark, Logan. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #10 (52 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-10" }, { "id": "ww-ILN-SV-W-10-2026-03-11-Clark-hail", "zip": "", "city": "", "date": "2026-03-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-11. Duration: 52 min. Counties: Shelby, Miami, Montgomery, Champaign, Clark, Logan. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #10 (52 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-10" }, { "id": "ww-ILN-SV-W-11-2026-03-11-Clark-wind", "zip": "", "city": "", "date": "2026-03-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-11. Duration: 41 min. Counties: Champaign, Hardin, Clark, Logan. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #11 (41 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-11" }, { "id": "ww-ILN-SV-W-11-2026-03-11-Clark-hail", "zip": "", "city": "", "date": "2026-03-11", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2026-03-11. Duration: 41 min. Counties: Champaign, Hardin, Clark, Logan. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #11 (41 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-11" }, { "id": "iem-202603111423-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-11", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 68 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "observed" }, { "id": "iem-202603111428-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-03-11", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 63 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-11T14:35:00Z-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2026-03-11", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 SSE Choctaw Lake, OH. Peak gust: 53 mph. KUYF AWOS.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-03-11T21:25:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-03-11", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 56 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-02-25T06:43:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-02-25", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 56 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-02-20-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-02-20", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-202602201546-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-02-20", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 59 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-02-20T13:54:00Z-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2026-02-20", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 53 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-09-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-01-09", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-202601091145-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2026-01-09", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 64 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-29-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2025-12-29", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-29-wind-39.90--84.22", "lat": 39.9, "lon": -84.22, "zip": "", "city": "2 WNW Vandalia", "date": "2025-12-29", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 WNW Vandalia", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-29-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2025-12-29", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-29-wind-39.69--83.99", "lat": 39.69, "lon": -83.99, "zip": "", "city": "3 W Xenia", "date": "2025-12-29", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "KGDK Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-202512290915-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2025-12-29", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 60 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-202512291256-wind-39.90--84.22", "lat": 39.9, "lon": -84.22, "zip": "", "city": "2 WNW Vandalia", "date": "2025-12-29", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 WNW Vandalia, OH. Peak gust: 61 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-202512291303-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2025-12-29", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 64 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "observed" }, { "id": "iem-202512291339-wind-39.69--83.99", "lat": 39.69, "lon": -83.99, "zip": "", "city": "3 W Xenia", "date": "2025-12-29", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 W Xenia, OH. Peak gust: 59 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-12-29T07:30:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2025-12-29", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 55 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-12-29T12:55:00Z-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2025-12-29", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 SSE Choctaw Lake, OH. Peak gust: 55 mph. AWOS station KUYF Madison County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-12-29T13:01:00Z-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2025-12-29", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 56 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-12-28-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2025-12-28", "county": "Madison", "source": "IEM 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 KUYF Madison County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "ww-ILN-SV-W-221-2025-12-28-Clark-wind", "zip": "", "city": "", "date": "2025-12-28", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2025-12-28. Duration: 31 min. Counties: Clark, Franklin, Madison. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #221 (31 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-221" }, { "id": "ww-ILN-SV-W-221-2025-12-28-Clark-hail", "zip": "", "city": "", "date": "2025-12-28", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2025-12-28. Duration: 31 min. Counties: Clark, Franklin, Madison. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #221 (31 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-221" }, { "id": "iem-202512290345-wind-39.93--83.46", "lat": 39.93, "lon": -83.46, "zip": "", "city": "2 SSE Choctaw Lake", "date": "2025-12-28", "county": "Madison", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 SSE Choctaw Lake, OH. Peak gust: 60 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-12-29T03:00:00Z-wind-39.82--84.06", "lat": 39.82, "lon": -84.06, "zip": "", "city": "2 W Fairborn", "date": "2025-12-28", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 W Fairborn, OH. Peak gust: 54 mph. ASOS station KFFO Wright-Patterson AFB.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-26-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2025-11-26", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-202511270155-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2025-11-26", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 60 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-11-26T21:35:00Z-wind-39.69--83.99", "lat": 39.69, "lon": -83.99, "zip": "", "city": "3 W Xenia", "date": "2025-11-26", "county": "Greene", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 3 W Xenia, OH. Peak gust: 53 mph. AWOS station KGDK Xenia Greene County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-11-26T23:42:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2025-11-26", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 55 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-10-21-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2025-10-21", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "52 MPH wind gust at KDAY.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "ww-ILN-SV-W-214-2025-10-21-Clark-wind", "zip": "", "city": "", "date": "2025-10-21", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2025-10-21. Duration: 16 min. Counties: Champaign, Clark, Madison, Hamilton, Brown, Clermont, Highland. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #214 (16 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-214" }, { "id": "ww-ILN-SV-W-214-2025-10-21-Clark-hail", "zip": "", "city": "", "date": "2025-10-21", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2025-10-21. Duration: 16 min. Counties: Champaign, Clark, Madison, Hamilton, Brown, Clermont, Highland. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #214 (16 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-214" }, { "id": "iem-202510212120-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2025-10-21", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 60 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-10-21T21:44:00Z-wind-39.84--83.84", "lat": 39.84, "lon": -83.84, "zip": "", "city": "3 NNW Clifton", "date": "2025-10-21", "county": "Clark", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3 NNW Clifton, OH. Peak gust: 55 mph. 48 MPH wind gust at KSGH.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-geo-2025-10-19T08:17:00Z-wind-39.91--84.22", "lat": 39.91, "lon": -84.22, "zip": "", "city": "2 NW Vandalia", "date": "2025-10-19", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near 2 NW Vandalia, OH. Peak gust: 53 mph. ASOS station KDAY Dayton International Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "ww-ILN-SV-W-204-2025-09-21-Clark-wind", "zip": "", "city": "", "date": "2025-09-21", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "wind", "confidence": 70, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Hurricane wind damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2025-09-21. Duration: 47 min. Counties: Brown, Hamilton, Clermont, Clinton, Warren, Champaign, Clark, Darke, Miami, Montgomery, Preble, Shelby. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #204 (47 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-204" }, { "id": "ww-ILN-SV-W-204-2025-09-21-Clark-hail", "zip": "", "city": "", "date": "2025-09-21", "county": "Clark", "source": "IEM Watch/Warn Archive", "severity": "high", "eventType": "hail", "confidence": 70, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Severe Thunderstorm Warning issued by NWS ILN on 2025-09-21. Duration: 47 min. Counties: Brown, Hamilton, Clermont, Clinton, Warren, Champaign, Clark, Darke, Miami, Montgomery, Preble, Shelby. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #204 (47 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-204" } ] }