This alert expired on 12 August 2026 at 20:30 UTC. It is kept here as a record.
It is the 16th strongest of the 86 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. 21 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 12 at 4:00PM EDT until August 12 at 4:30PM EDT by NWS Wilmington OH
An estimated 673,209 people live within 50 km of this point.
Nearby, since 11 March 2026
- August 11, 2026 · score 72 · 5.0 km
- June 18, 2026 · score 41 · 8.1 km
- July 21, 2026 · score 41 · 8.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 79 % 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) | 48 / 100 |
| Our confidence | 79% |
| Coordinates | 39.0117, -84.5400 |
| Nearest City | Erlanger (5 km) |
| Population Exposed | 673.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-12T20:00:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Ohio, IN; Switzerland, IN; Boone, KY; Campbell, KY; Kenton, KY; Clermont, OH; Hamilton, OH |
| Headline | Severe Thunderstorm Warning issued August 12 at 4:00PM EDT until August 12 at 4:30PM EDT by NWS Wilmington OH |
| Expires | 2026-08-12T16:30:00-04:00 |
| 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 48/100, near Erlanger (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.