{ "dataset": "Dayton, OH storm events — 12-month window, 25-mile radius plus Montgomery 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": 210, "fields": { "id": "stable event identifier (source-derived)", "date": "event date (YYYY-MM-DD, local storm day)", "county": "county or county-equivalent (may be blank)", "city": "place name from the source record (LSR names may carry a distance/direction prefix)", "zip": "ZIP code when the source provides one (may be blank)", "eventType": "hazard tag: wind | hail | tornado | flood | lightning", "severity": "StormAuditor severity bucket (low|moderate|high|severe)", "evidenceLevel": "evidence level of the source record (warning|observed|...)", "confidence": "StormAuditor confidence score for the record (0-1, may be absent)", "windSpeedMph": "reported/estimated wind gust, mph (absent if n/a)", "hailSizeInches": "reported/estimated hail size, inches (absent if n/a)", "tornadoScale": "EF-scale rating when the source provides one (absent if n/a)", "damageTypes": "damage tags from the source narrative (may be absent)", "description": "source narrative excerpt (may be absent)", "source": "originating public record (NWS warning, LSR, NCEI, ...)", "sourceDetail": "issuing office / product detail for the source (may be absent)", "originStation": "reporting station identifier when applicable (may be absent)", "warningProductKey": "NWS warning product key for warning-derived rows (may be absent)", "lat": "event latitude (WGS84, may be blank)", "lon": "event longitude (WGS84, may be blank)", "rawWindSpeedMph": "source-reported wind value before display screening, mph (may be absent)", "windSpeedDisclaimer": "set when the wind value is a warning-projected figure rather than a measurement (may be absent)" }, "events": [ { "id": "nws-alert-9915e1dd4b238a89.001-Montgome-wind", "zip": "", "city": "Montgomery", "date": "2026-09-17", "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. Severe Thunderstorm Warning issued September 17 at 1:41PM EDT until September 17 at 2:15PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-271" }, { "id": "iem-ww-ILN-SV-W-271-Montgomery-hail-2026-09-17", "zip": "", "city": "Montgomery", "date": "2026-09-17", "county": "Montgomery", "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 Montgomery on 2026-09-17. Storm tag hail: 0.88\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning", "evidenceLevel": "warning", "hailSizeInches": 0.88, "warningProductKey": "ILN-SV-W-271" }, { "id": "iem-ww-ILN-SV-W-268-Montgomery-wind-2026-09-16", "zip": "", "city": "Montgomery", "date": "2026-09-16", "county": "Montgomery", "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 Montgomery 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-268" }, { "id": "iem-ww-ILN-SV-W-268-Montgomery-hail-2026-09-16", "zip": "", "city": "Montgomery", "date": "2026-09-16", "county": "Montgomery", "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 Montgomery 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-268" }, { "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-7f6dd22269d1e5ea.001-Montgome-wind", "zip": "", "city": "Montgomery", "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. Severe Thunderstorm Warning issued September 4 at 3:17PM EDT until September 4 at 4:00PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-239" }, { "id": "iem-ww-ILN-SV-W-240-Montgomery-wind-2026-09-04", "zip": "", "city": "Montgomery", "date": "2026-09-04", "county": "Montgomery", "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 Montgomery on 2026-09-04. 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-240" }, { "id": "iem-ww-ILN-SV-W-240-Montgomery-hail-2026-09-04", "zip": "", "city": "Montgomery", "date": "2026-09-04", "county": "Montgomery", "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 Montgomery 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-240" }, { "id": "iem-ww-ILN-SV-W-241-Montgomery-wind-2026-09-04", "zip": "", "city": "Montgomery", "date": "2026-09-04", "county": "Montgomery", "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 Montgomery on 2026-09-04. 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-241" }, { "id": "iem-ww-ILN-SV-W-241-Montgomery-hail-2026-09-04", "zip": "", "city": "Montgomery", "date": "2026-09-04", "county": "Montgomery", "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 Montgomery 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": "iem-ww-ILN-SV-W-239-Montgomery-hail-2026-09-04", "zip": "", "city": "Montgomery", "date": "2026-09-04", "county": "Montgomery", "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 Montgomery 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-239" }, { "id": "nws-alert-0431fccf5a8cede2.001-Montgome-wind", "zip": "", "city": "Montgomery", "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. Severe Thunderstorm Warning issued September 4 at 4:24PM EDT until September 4 at 4:45PM EDT by NWS Wilmington OH", "sourceDetail": "NWS Wilmington OH — Severe Thunderstorm Warning", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-242" }, { "id": "iem-ww-ILN-SV-W-242-Montgomery-hail-2026-09-04", "zip": "", "city": "Montgomery", "date": "2026-09-04", "county": "Montgomery", "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 Montgomery 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-242" }, { "id": "asos-MWO-2026-08-26", "lat": 39.531, "lon": -84.3953, "zip": "", "city": "Middletown", "date": "2026-08-26", "county": "Butler", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 60, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Middletown (MWO): Sensor anomaly detected (raw: 163 mph). Storm event confirmed at this station but peak wind speed is unreliable.", "sourceDetail": "OH_ASOS automated observation — Middletown (MWO) — peak at M", "evidenceLevel": "observed", "rawWindSpeedMph": 163, "windSpeedDisclaimer": "Raw station reading: 163 mph — likely instrument error or sensor spike. Wind event confirmed but speed reading is unreliable." }, { "id": "asos-MWO-2026-08-21", "lat": 39.531, "lon": -84.3953, "zip": "", "city": "Middletown", "date": "2026-08-21", "county": "Butler", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 60, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Middletown (MWO): Sensor anomaly detected (raw: 157 mph). Storm event confirmed at this station but peak wind speed is unreliable.", "sourceDetail": "OH_ASOS automated observation — Middletown (MWO) — peak at M", "evidenceLevel": "observed", "rawWindSpeedMph": 157, "windSpeedDisclaimer": "Raw station reading: 157 mph — likely instrument error or sensor spike. Wind event confirmed but speed reading is unreliable." }, { "id": "ww-ILN-SV-W-210-2026-08-11-Montgomery-wind", "zip": "", "city": "", "date": "2026-08-11", "county": "Montgomery", "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: 45 min. Counties: Adams, Highland, Scioto, Pike, Ross, Butler, Montgomery, Preble, Warren. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #210 (45 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-210" }, { "id": "ww-ILN-SV-W-210-2026-08-11-Montgomery-hail", "zip": "", "city": "", "date": "2026-08-11", "county": "Montgomery", "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: 45 min. Counties: Adams, Highland, Scioto, Pike, Ross, Butler, Montgomery, Preble, Warren. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #210 (45 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-210" }, { "id": "ww-ILN-SV-W-211-2026-08-11-Montgomery-wind", "zip": "", "city": "", "date": "2026-08-11", "county": "Montgomery", "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: 47 min. Counties: Butler, Montgomery, Greene, Warren, Preble. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #211 (47 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-211" }, { "id": "ww-ILN-SV-W-211-2026-08-11-Montgomery-hail", "zip": "", "city": "", "date": "2026-08-11", "county": "Montgomery", "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: 47 min. Counties: Butler, Montgomery, Greene, Warren, Preble. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #211 (47 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-211" }, { "id": "ww-ILN-SV-W-206-2026-08-11-Montgomery-wind", "zip": "", "city": "", "date": "2026-08-11", "county": "Montgomery", "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-Montgomery-hail", "zip": "", "city": "", "date": "2026-08-11", "county": "Montgomery", "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-Montgomery-wind", "zip": "", "city": "", "date": "2026-08-11", "county": "Montgomery", "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-Montgomery-hail", "zip": "", "city": "", "date": "2026-08-11", "county": "Montgomery", "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-196-2026-08-11-Montgomery-wind", "zip": "", "city": "", "date": "2026-08-11", "county": "Montgomery", "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: 59 min. Counties: Preble, Darke, Miami, Montgomery. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #196 (59 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-196" }, { "id": "ww-ILN-SV-W-196-2026-08-11-Montgomery-hail", "zip": "", "city": "", "date": "2026-08-11", "county": "Montgomery", "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: 59 min. Counties: Preble, Darke, Miami, Montgomery. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #196 (59 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-196" }, { "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": "ww-ILN-SV-W-168-2026-08-08-Montgomery-wind", "zip": "", "city": "", "date": "2026-08-08", "county": "Montgomery", "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 2026-08-08. Duration: 47 min. Counties: Warren, Butler, Preble, Montgomery. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #168 (47 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-168" }, { "id": "ww-ILN-SV-W-168-2026-08-08-Montgomery-hail", "zip": "", "city": "", "date": "2026-08-08", "county": "Montgomery", "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 2026-08-08. Duration: 47 min. Counties: Warren, Butler, Preble, Montgomery. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #168 (47 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-168" }, { "id": "ww-ILN-SV-W-166-2026-08-08-Montgomery-wind", "zip": "", "city": "", "date": "2026-08-08", "county": "Montgomery", "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 2026-08-08. Duration: 34 min. Counties: Darke, Miami, Montgomery, Preble. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #166 (34 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-166" }, { "id": "ww-ILN-SV-W-166-2026-08-08-Montgomery-hail", "zip": "", "city": "", "date": "2026-08-08", "county": "Montgomery", "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 2026-08-08. Duration: 34 min. Counties: Darke, Miami, Montgomery, Preble. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #166 (34 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-166" }, { "id": "spc-2026-08-07-461-1845", "lat": 39.63, "lon": -84.24, "zip": "", "city": "Miamisburg", "date": "2026-08-07", "county": "Montgomery", "source": "SPC Storm Reports", "severity": "high", "eventType": "hail", "confidence": 90, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "(ILN)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "ww-ILN-SV-W-160-2026-08-07-Montgomery-wind", "zip": "", "city": "", "date": "2026-08-07", "county": "Montgomery", "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 2026-08-07. Duration: 38 min. Counties: Montgomery, Clinton, Greene, Warren. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #160 (38 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-160" }, { "id": "ww-ILN-SV-W-160-2026-08-07-Montgomery-hail", "zip": "", "city": "", "date": "2026-08-07", "county": "Montgomery", "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 2026-08-07. Duration: 38 min. Counties: Montgomery, Clinton, Greene, Warren. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #160 (38 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-160" }, { "id": "spc-2026-08-01-477-0023", "lat": 39.55, "lon": -84.33, "zip": "", "city": "Franklin", "date": "2026-08-01", "county": "Warren", "source": "SPC Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 90, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "EF0 tornado confirmed in Franklin in Warren County... Ohio. Maximum winds of 80 MPH. This tornado caused tree damage in several locations... and removed part of a wall (ILN)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported" }, { "id": "spc-2026-08-01-478-0035", "lat": 39.69, "lon": -84.33, "zip": "", "city": "Miamisburg", "date": "2026-08-01", "county": "Montgomery", "source": "SPC Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 90, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Updates previous LSR from 3 SW Drexel. EF0 tornado confirmed east of New Lebanon in Montgomery County... Ohio. Maximum winds of 75 MPH. This tornado caused tree and cor (ILN)", "sourceDetail": "Storm Prediction Center preliminary storm report", "evidenceLevel": "reported" }, { "id": "iem-geo-2026-08-02T00:37:00Z-tornado-39.71--84.33", "lat": 39.71, "lon": -84.33, "zip": "", "city": "3 SW Drexel", "date": "2026-08-01", "county": "Montgomery", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "tornado", "confidence": 92, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "TORNADO reported near 3 SW Drexel, OH. EF0 tornado confirmed east of New Lebanon in Montgomery County, Ohio. Maximum winds of 75 MPH. This tornado caused tree damage along Snyder Road, with some minor damage to a few structures.", "sourceDetail": "NWS ILN — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "ww-ILN-SV-W-155-2026-08-01-Montgomery-wind", "zip": "", "city": "", "date": "2026-08-01", "county": "Montgomery", "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 2026-08-01. Duration: 43 min. Counties: Greene, Montgomery, 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 #155 (43 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-155" }, { "id": "ww-ILN-SV-W-155-2026-08-01-Montgomery-hail", "zip": "", "city": "", "date": "2026-08-01", "county": "Montgomery", "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 2026-08-01. Duration: 43 min. Counties: Greene, Montgomery, 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 #155 (43 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-155" }, { "id": "iem-ww-ILN-TO-W-42-Montgomery-tornado-2026-08-01", "zip": "", "city": "Montgomery", "date": "2026-08-01", "county": "Montgomery", "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 Montgomery on 2026-08-01. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "ILN-TO-W-42" }, { "id": "iem-ww-ILN-TO-W-43-Montgomery-tornado-2026-08-01", "zip": "", "city": "Montgomery", "date": "2026-08-01", "county": "Montgomery", "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 Montgomery on 2026-08-01. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "ILN-TO-W-43" }, { "id": "iem-ww-ILN-TO-W-35-Montgomery-tornado-2026-08-01", "zip": "", "city": "Montgomery", "date": "2026-08-01", "county": "Montgomery", "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 Montgomery on 2026-08-01. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "ILN-TO-W-35" }, { "id": "iem-ww-ILN-TO-W-38-Montgomery-tornado-2026-08-01", "zip": "", "city": "Montgomery", "date": "2026-08-01", "county": "Montgomery", "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 Montgomery on 2026-08-01. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "ILN-TO-W-38" }, { "id": "iem-ww-ILN-TO-W-39-Montgomery-tornado-2026-08-01", "zip": "", "city": "Montgomery", "date": "2026-08-01", "county": "Montgomery", "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 Montgomery on 2026-08-01. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "ILN-TO-W-39" }, { "id": "iem-lsr-2026-07-27-wind-39.53--84.39", "lat": 39.53, "lon": -84.39, "zip": "", "city": "1 NNE Middletown", "date": "2026-07-27", "county": "Butler", "source": "IEM 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 KMWO Middletown Hook Field.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "ww-ILN-SV-W-153-2026-07-27-Montgomery-wind", "zip": "", "city": "", "date": "2026-07-27", "county": "Montgomery", "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 2026-07-27. Duration: 40 min. Counties: Clinton, Butler, Greene, Montgomery, Warren. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #153 (40 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-153" }, { "id": "ww-ILN-SV-W-153-2026-07-27-Montgomery-hail", "zip": "", "city": "", "date": "2026-07-27", "county": "Montgomery", "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 2026-07-27. Duration: 40 min. Counties: Clinton, Butler, Greene, Montgomery, Warren. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #153 (40 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-153" }, { "id": "ww-ILN-SV-W-150-2026-07-27-Montgomery-wind", "zip": "", "city": "", "date": "2026-07-27", "county": "Montgomery", "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 2026-07-27. Duration: 49 min. Counties: Shelby, Darke, Miami, Montgomery, Preble. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #150 (49 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-150" }, { "id": "ww-ILN-SV-W-150-2026-07-27-Montgomery-hail", "zip": "", "city": "", "date": "2026-07-27", "county": "Montgomery", "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 2026-07-27. Duration: 49 min. Counties: Shelby, Darke, Miami, Montgomery, Preble. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #150 (49 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-150" }, { "id": "iem-202607272248-wind-39.53--84.39", "lat": 39.53, "lon": -84.39, "zip": "", "city": "1 NNE Middletown", "date": "2026-07-27", "county": "Butler", "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 1 NNE Middletown, OH. Peak gust: 63 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "iem-geo-2026-07-27T23:03:00Z-wind-39.46--84.25", "lat": 39.46, "lon": -84.25, "zip": "", "city": "3 NW Lebanon", "date": "2026-07-27", "county": "Warren", "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 NW Lebanon, OH. Peak gust: 56 mph. AWOS station KI68 Warren County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "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-ww-ILN-TO-W-14-Montgomery-tornado-2026-06-17", "zip": "", "city": "Montgomery", "date": "2026-06-17", "county": "Montgomery", "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 Montgomery on 2026-06-17. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "ILN-TO-W-14" }, { "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": "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": "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-107-2026-06-11-Montgomery-wind", "zip": "", "city": "", "date": "2026-06-11", "county": "Montgomery", "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 2026-06-11. Duration: 55 min. Counties: Butler, Montgomery, Preble. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #107 (55 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-107" }, { "id": "ww-ILN-SV-W-107-2026-06-11-Montgomery-hail", "zip": "", "city": "", "date": "2026-06-11", "county": "Montgomery", "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 2026-06-11. Duration: 55 min. Counties: Butler, Montgomery, Preble. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #107 (55 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-107" }, { "id": "ww-ILN-SV-W-101-2026-06-06-Montgomery-wind", "zip": "", "city": "", "date": "2026-06-06", "county": "Montgomery", "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: 31 min. Counties: Butler, Montgomery, Preble. Storm tags: wind: 60.0, hail: 0.88\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #101 (31 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-101" }, { "id": "ww-ILN-SV-W-101-2026-06-06-Montgomery-hail", "zip": "", "city": "", "date": "2026-06-06", "county": "Montgomery", "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: 31 min. Counties: Butler, Montgomery, Preble. Storm tags: wind: 60.0, hail: 0.88\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #101 (31 min)", "evidenceLevel": "warning", "hailSizeInches": 0.88, "warningProductKey": "ILN-SV-W-101" }, { "id": "ww-ILN-SV-W-98-2026-06-06-Montgomery-wind", "zip": "", "city": "", "date": "2026-06-06", "county": "Montgomery", "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: 29 min. Counties: Darke, Montgomery, Preble. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #98 (29 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-98" }, { "id": "ww-ILN-SV-W-98-2026-06-06-Montgomery-hail", "zip": "", "city": "", "date": "2026-06-06", "county": "Montgomery", "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: 29 min. Counties: Darke, Montgomery, Preble. Storm tags: wind: 60.0, hail: 1.0\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #98 (29 min)", "evidenceLevel": "warning", "hailSizeInches": 1, "warningProductKey": "ILN-SV-W-98" }, { "id": "ww-ILN-SV-W-85-2026-05-19-Montgomery-wind", "zip": "", "city": "", "date": "2026-05-19", "county": "Montgomery", "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: 51 min. Counties: Preble, Butler, Greene, Montgomery, Warren. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #85 (51 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-85" }, { "id": "ww-ILN-SV-W-85-2026-05-19-Montgomery-hail", "zip": "", "city": "", "date": "2026-05-19", "county": "Montgomery", "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: 51 min. Counties: Preble, Butler, Greene, Montgomery, Warren. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #85 (51 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-85" }, { "id": "ww-ILN-SV-W-82-2026-05-19-Montgomery-wind", "zip": "", "city": "", "date": "2026-05-19", "county": "Montgomery", "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: 44 min. Counties: Montgomery, Preble, Shelby, Miami, Darke. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #82 (44 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-82" }, { "id": "ww-ILN-SV-W-82-2026-05-19-Montgomery-hail", "zip": "", "city": "", "date": "2026-05-19", "county": "Montgomery", "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: 44 min. Counties: Montgomery, Preble, Shelby, Miami, Darke. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #82 (44 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-82" }, { "id": "iem-geo-2026-05-20T00:00:00Z-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "date": "2026-05-19", "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": "TSTM WND GST reported near 3 N Springboro, OH. Peak gust: 56 mph. KMGY ASOS.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-28-wind-39.53--84.39", "lat": 39.53, "lon": -84.39, "zip": "", "city": "1 NNE Middletown", "date": "2026-04-28", "county": "Butler", "source": "IEM 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 KMWO Middletown Hook Field.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-28-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "date": "2026-04-28", "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": "Corrects previous non-tstm wnd gst report from 3 N Springboro. ASOS station KMGY Dayton Wright Brothers Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "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": "ww-ILN-SV-W-69-2026-04-28-Montgomery-wind", "zip": "", "city": "", "date": "2026-04-28", "county": "Montgomery", "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 2026-04-28. Duration: 53 min. Counties: Preble, Butler, Montgomery. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #69 (53 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-69" }, { "id": "ww-ILN-SV-W-69-2026-04-28-Montgomery-hail", "zip": "", "city": "", "date": "2026-04-28", "county": "Montgomery", "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 2026-04-28. Duration: 53 min. Counties: Preble, Butler, Montgomery. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #69 (53 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-69" }, { "id": "iem-202604280515-wind-39.53--84.39", "lat": 39.53, "lon": -84.39, "zip": "", "city": "1 NNE Middletown", "date": "2026-04-28", "county": "Butler", "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 1 NNE Middletown, OH. Peak gust: 70 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "observed" }, { "id": "iem-202604280519-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "date": "2026-04-28", "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 3 N Springboro, OH. Peak gust: 62 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 62, "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-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": "ww-ILN-SV-W-68-2026-04-27-Montgomery-wind", "zip": "", "city": "", "date": "2026-04-27", "county": "Montgomery", "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 2026-04-27. Duration: 64 min. Counties: Shelby, Darke, Miami, Montgomery, Preble, Auglaize. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #68 (64 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-68" }, { "id": "ww-ILN-SV-W-68-2026-04-27-Montgomery-hail", "zip": "", "city": "", "date": "2026-04-27", "county": "Montgomery", "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 2026-04-27. Duration: 64 min. Counties: Shelby, Darke, Miami, Montgomery, Preble, Auglaize. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #68 (64 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-68" }, { "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": "ww-ILN-SV-W-49-2026-04-04-Montgomery-wind", "zip": "", "city": "", "date": "2026-04-04", "county": "Montgomery", "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 2026-04-04. Duration: 28 min. Counties: Darke, Miami, Montgomery, Preble. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #49 (28 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-49" }, { "id": "ww-ILN-SV-W-49-2026-04-04-Montgomery-hail", "zip": "", "city": "", "date": "2026-04-04", "county": "Montgomery", "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 2026-04-04. Duration: 28 min. Counties: Darke, Miami, Montgomery, Preble. Storm tags: wind: 60.0, hail: 0.75\". This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #49 (28 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-49" }, { "id": "iem-geo-2026-04-04T18:22:00Z-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 3 N Springboro, OH. Peak gust: 53 mph. ASOS station KMGY Dayton Wright Brothers Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "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-Montgomery-wind", "zip": "", "city": "", "date": "2026-03-26", "county": "Montgomery", "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-Montgomery-hail", "zip": "", "city": "", "date": "2026-03-26", "county": "Montgomery", "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-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-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-geo-2026-03-16T04:43:00Z-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 3 N Springboro, OH. Peak gust: 54 mph. ASOS station KMGY Dayton Wright Brothers Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-16-wind-39.46--84.25", "lat": 39.46, "lon": -84.25, "zip": "", "city": "3 NW Lebanon", "date": "2026-03-16", "county": "Warren", "source": "IEM 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 KI68 Warren County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 53, "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": "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-202603160529-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 3 N Springboro, OH. Peak gust: 62 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "observed" }, { "id": "iem-202603160535-wind-39.46--84.25", "lat": 39.46, "lon": -84.25, "zip": "", "city": "3 NW Lebanon", "date": "2026-03-16", "county": "Warren", "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 NW Lebanon, OH. Peak gust: 61 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 61, "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-lsr-2026-03-15-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "date": "2026-03-15", "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 KMGY Dayton Wright Brothers Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-15-wind-39.46--84.25", "lat": 39.46, "lon": -84.25, "zip": "", "city": "3 NW Lebanon", "date": "2026-03-15", "county": "Warren", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "KI68 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-202603151920-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 3 N Springboro, OH. Peak gust: 61 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 61, "evidenceLevel": "observed" }, { "id": "iem-202603151935-wind-39.46--84.25", "lat": 39.46, "lon": -84.25, "zip": "", "city": "3 NW Lebanon", "date": "2026-03-15", "county": "Warren", "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 NW Lebanon, 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-2026-03-15T18:04:00Z-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-geo-2026-03-15T18:50:00Z-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "date": "2026-03-15", "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 3 N Springboro, OH. Peak gust: 56 mph. KMGY ASOS.", "sourceDetail": "NWS ILN — ASOS 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-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 KMGY Dayton Wright Brothers 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-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 KMGY Dayton Wright Brothers Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 52, "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-39.46--84.25", "lat": 39.46, "lon": -84.25, "zip": "", "city": "3 NW Lebanon", "date": "2026-03-13", "county": "Warren", "source": "IEM 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 KI68 Warren County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 58, "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-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "date": "2026-03-13", "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 KMGY Dayton Wright Brothers Airport.", "sourceDetail": "NWS ILN — ASOS 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": "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-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-39.53--84.39", "lat": 39.53, "lon": -84.39, "zip": "", "city": "1 NNE Middletown", "date": "2026-03-13", "county": "Butler", "source": "IEM 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 KMWO Middletown Hook Field.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 54, "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-202603131440-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 3 N Springboro, OH. Peak gust: 59 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 59, "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-202603131630-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 3 N Springboro, OH. Peak gust: 60 mph.", "sourceDetail": "NWS ILN — ASOS 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-202603131735-wind-39.46--84.25", "lat": 39.46, "lon": -84.25, "zip": "", "city": "3 NW Lebanon", "date": "2026-03-13", "county": "Warren", "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 NW Lebanon, OH. Peak gust: 67 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 67, "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-202603131805-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 3 N Springboro, OH. Peak gust: 70 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 70, "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-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-202603131955-wind-39.53--84.39", "lat": 39.53, "lon": -84.39, "zip": "", "city": "1 NNE Middletown", "date": "2026-03-13", "county": "Butler", "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 1 NNE Middletown, OH. Peak gust: 62 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 62, "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-2026-03-13T16:15:00Z-wind-39.53--84.39", "lat": 39.53, "lon": -84.39, "zip": "", "city": "1 NNE Middletown", "date": "2026-03-13", "county": "Butler", "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 1 NNE Middletown, OH. Peak gust: 53 mph. AWOS station KMWO Middletown Hook Field.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 53, "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-39.46--84.25", "lat": 39.46, "lon": -84.25, "zip": "", "city": "3 NW Lebanon", "date": "2026-03-13", "county": "Warren", "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 NW Lebanon, OH. Peak gust: 56 mph. AWOS station KI68 Warren County Airport.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-11-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "date": "2026-03-11", "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": "KMGY ASOS.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-11-wind-39.53--84.39", "lat": 39.53, "lon": -84.39, "zip": "", "city": "1 NNE Middletown", "date": "2026-03-11", "county": "Butler", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 1 NNE Middletown", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 52, "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-Montgomery-wind", "zip": "", "city": "", "date": "2026-03-11", "county": "Montgomery", "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-Montgomery-hail", "zip": "", "city": "", "date": "2026-03-11", "county": "Montgomery", "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": "iem-202603111354-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 3 N Springboro, OH. Peak gust: 59 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-202603111355-wind-39.53--84.39", "lat": 39.53, "lon": -84.39, "zip": "", "city": "1 NNE Middletown", "date": "2026-03-11", "county": "Butler", "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 1 NNE Middletown, OH. Peak gust: 60 mph.", "sourceDetail": "NWS ILN — AWOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "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-2026-03-11T13:24:00Z-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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": "TSTM WND GST reported near 3 N Springboro, OH. Peak gust: 56 mph. KMGY ASOS.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 56, "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-geo-2026-02-20T16:17:00Z-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "date": "2026-02-20", "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 3 N Springboro, OH. Peak gust: 55 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "iem-ww-ILN-TO-W-1-Montgomery-tornado-2026-02-19", "zip": "", "city": "Montgomery", "date": "2026-02-19", "county": "Montgomery", "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 Montgomery on 2026-02-19. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Tornado Warning", "evidenceLevel": "warning", "warningProductKey": "ILN-TO-W-1" }, { "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-geo-2026-01-09T07:14:00Z-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "date": "2026-01-09", "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 3 N Springboro, OH. Peak gust: 53 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "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": "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-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 3 N Springboro", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 52, "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-202512291317-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 3 N Springboro, OH. Peak gust: 60 mph.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet", "windSpeedMph": 60, "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-2025-12-29T10:06:00Z-wind-39.59--84.23", "lat": 39.59, "lon": -84.23, "zip": "", "city": "3 N Springboro", "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 3 N Springboro, OH. Peak gust: 54 mph. ASOS station KMGY Dayton Wright Brothers Airport.", "sourceDetail": "NWS ILN — ASOS via Iowa Mesonet (GeoJSON)", "windSpeedMph": 54, "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-2025-12-29T13:01:00Z-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": "ww-ILN-SV-W-217-2025-12-28-Montgomery-wind", "zip": "", "city": "", "date": "2025-12-28", "county": "Montgomery", "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: 40 min. Counties: Butler, Darke, Miami, Montgomery, Preble, Scioto, Adams, Pike. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #217 (40 min)", "windSpeedMph": 60, "evidenceLevel": "warning", "warningProductKey": "ILN-SV-W-217" }, { "id": "ww-ILN-SV-W-217-2025-12-28-Montgomery-hail", "zip": "", "city": "", "date": "2025-12-28", "county": "Montgomery", "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: 40 min. Counties: Butler, Darke, Miami, Montgomery, Preble, Scioto, Adams, Pike. Storm tags: wind: 60.0, hail: 0.75\", tornado: POSSIBLE. This is a warning — not a confirmed event.", "sourceDetail": "NWS ILN — Severe Thunderstorm Warning #217 (40 min)", "evidenceLevel": "warning", "hailSizeInches": 0.75, "warningProductKey": "ILN-SV-W-217" }, { "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": "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-Montgomery-wind", "zip": "", "city": "", "date": "2025-09-21", "county": "Montgomery", "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-Montgomery-hail", "zip": "", "city": "", "date": "2025-09-21", "county": "Montgomery", "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" } ] }