This alert expired on 13 May 2026 at 20:30 UTC. It is kept here as a record.
It is the 4th strongest of the 117 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 13 at 4:07PM EDT until May 13 at 4:30PM EDT by NWS Pittsburgh PA
An estimated 65,593 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 22, 2026 · score 63 · 2.5 km
- June 22, 2026 · score 63 · 7.7 km
- July 9, 2026 · score 39 · 9.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 78 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 39 / 100 |
| Our confidence | 78% |
| Coordinates | 39.4890, -79.9760 |
| Nearest City | Fairmont (14 km) |
| Population Exposed | 65.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-13T20:07:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.22d3afa966bb8142528f28f9ed52f2416f01629e.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Marion, WV; Monongalia, WV; Preston, WV |
| Headline | Severe Thunderstorm Warning issued May 13 at 4:07PM EDT until May 13 at 4:30PM EDT by NWS Pittsburgh PA |
| Expires | 2026-05-13T16:30:00-04:00 |
| SenderName | NWS Pittsburgh PA |
| 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 8 March 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.
Want to know when something happens near Fairmont?
Calamity.live data shows a weather event with CalamityScore 39/100, near Fairmont (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.