This alert expired on 7 August 2026 at 19:30 UTC. It is kept here as a record.
It is the 30th strongest of the 72 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 7 at 2:39PM EDT until August 7 at 3:30PM EDT by NWS Wilmington OH
An estimated 622,946 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 7, 2026 · score 48 · 8.7 km
- July 11, 2026 · score 48 · 10.5 km
- March 16, 2026 · score 48 · 15.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 41 out of 100, at 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 41 / 100 |
| Our confidence | 80% |
| Coordinates | 39.5971, -84.0357 |
| Nearest City | Centerville (11 km) |
| Population Exposed | 622.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-07T18:39:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Clinton, OH; Greene, OH; Montgomery, OH; Warren, OH |
| Headline | Severe Thunderstorm Warning issued August 7 at 2:39PM EDT until August 7 at 3:30PM EDT by NWS Wilmington OH |
| Expires | 2026-08-07T15:30:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a weather event with CalamityScore 41/100, near Centerville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.