This alert expired on 22 July 2026 at 00:45 UTC. It is kept here as a record.
No stronger detection stands among the 77 recorded within 20 km of this point since 16 March 2026 — 2 others scored the same. The last comparable one was on 12 July 2026. 11 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued July 21 at 8:16PM EDT until July 21 at 8:45PM EDT by NWS Charleston WV
An estimated 63,894 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 12, 2026 · score 39 · 6.1 km
- June 12, 2026 · score 39 · 8.3 km
- August 11, 2026 · score 39 · 10.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 63 out of 100, at 80 % 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 | Critical |
| Calamity Score (ours) | 63 / 100 |
| Our confidence | 80% |
| Coordinates | 38.0740, -81.4060 |
| Nearest City | Charleston (36 km) |
| Population Exposed | 63.9K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-07-22T00:16:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2746ce8f1ee181e09fdad3257638cbc57b2325b4.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Boone, WV; Fayette, WV; Kanawha, WV; Raleigh, WV |
| Headline | Tornado Warning issued July 21 at 8:16PM EDT until July 21 at 8:45PM EDT by NWS Charleston WV |
| Expires | 2026-07-21T20:45:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 in this area?
Calamity.live data shows a weather event with CalamityScore 63/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.