This alert expired on 7 June 2026 at 00:19 UTC. It is kept here as a record.
It is the 17th strongest of the 36 detections recorded within 20 km of this point since 22 March 2026. The last comparable one was on 6 June 2026. 15 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 6 at 8:10PM EDT until June 6 at 8:15PM EDT by NWS Wilmington OH
An estimated 311,637 people live within 50 km of this point.
Nearby, since 22 March 2026
- June 6, 2026 · score 52 · 6.1 km
- May 26, 2026 · score 52 · 11.8 km
- May 26, 2026 · score 43 · 12.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 79% |
| Coordinates | 40.2890, -82.5807 |
| Nearest City | Mount Vernon (14 km) |
| Population Exposed | 311.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-07T00:10:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.87c8f4b111d2a6f50796982881bf554f |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Fairfield, OH; Pickaway, OH; Ashland, OH; Medina, OH; Wayne, OH |
| Headline | Severe Thunderstorm Warning issued June 6 at 8:10PM EDT until June 6 at 8:15PM EDT by NWS Wilmington OH |
| Expires | 2026-06-06T20:19:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.87c8f4b111d2a6f50796982881bf554f23a9db4e.001.1","noaa_urn:oid:2.49.0.1.840.0.2c202a7691de366fb4b34fb75149b452c5c48595.001.1"] |
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 43/100, near Mount Vernon (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.