This alert expired on 22 July 2026 at 05:00 UTC. It is kept here as a record.
It is the 64th strongest of the 122 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued July 21 at 7:30PM EDT until July 22 at 1:00AM EDT by NWS Charleston WV
An estimated 145,329 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 11, 2026 · score 43 · 0.0 km
- August 10, 2026 · score 43 · 0.0 km
- July 29, 2026 · score 43 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 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) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 37.4000, -78.7000 |
| Nearest City | Lynchburg (39 km) |
| Population Exposed | 145.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-21T23:30:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a618a7805923c391838c22e801d9071df1a39a6d.003.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Buchanan, VA; Dickenson, VA; Logan, WV; McDowell, WV; Mingo, WV; Raleigh, WV; Wyoming, WV |
| Headline | Severe Thunderstorm Watch issued July 21 at 7:30PM EDT until July 22 at 1:00AM EDT by NWS Charleston WV |
| Expires | 2026-07-22T01:00:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | false |
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 37/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.