This alert expired on 10 August 2026 at 23:45 UTC. It is kept here as a record.
No stronger detection stands among the 87 recorded within 20 km of this point since 16 March 2026 — 5 others scored the same. Another comparable one was recorded here earlier the same day. 23 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 7:11PM EDT until August 10 at 7:45PM EDT by NWS Charleston WV
An estimated 46,838 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 7, 2026 · score 28 · 5.1 km
- September 2, 2026 · score 16 · 10.6 km
How we know
Confirmed by 10 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 88 % 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) | 34 / 100 |
| Our confidence | 88% |
| Coordinates | 38.7450, -81.8500 |
| Nearest City | Charleston (48 km) |
| Population Exposed | 46.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T23:11:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.11f1d412d8733bbcbf25f7a542ae0340824e178a.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Jackson, WV; Kanawha, WV; Mason, WV; Putnam, WV |
| Headline | Severe Thunderstorm Warning issued August 10 at 7:11PM EDT until August 10 at 7:45PM EDT by NWS Charleston WV |
| Expires | 2026-08-10T19:45:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 5 NNE Ravenswood |
| Iem County | Jackson |
| Iem State | WV |
| Iem Wfo | RLX |
| Iem Remark | Tree blocking the road on County Route 4/12. Time estimated by radar. |
| MergedSources | [{"id":"iem_D_39.060_-81.770_1786383300000","source":"iem","severity":"low","severityValue":25,"timestamp":1786383300000,"latitude":39.06,"longitude":-81.77},{"id":"iem_D_38.810_-81.720_1786385100000","source":"iem","severity":"low","severityValue":25,"timestamp":1786385100000,"latitude":38.81,"longitude":-81.72},{"id":"iem_D_38.950_-81.750_1786383600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786383600000,"latitude":38.95,"longitude":-81.75},{"id":"iem_D_39.260_-82.380_1786383120000","source":"iem","severity":"low","severityValue":25,"timestamp":1786383120000,"latitude":39.26,"longitude":-82.38},{"id":"iem_D_39.240_-81.640_1786382940000","source":"iem","severity":"low","severityValue":25,"timestamp":1786382940000,"latitude":39.24,"longitude":-81.64},{"id":"iem_D_38.970_-81.770_1786383600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786383600000,"latitude":38.97,"longitude":-81.77},{"id":"iem_D_39.180_-81.480_1786383900000","source":"iem","severity":"low","severityValue":25,"timestamp":1786383900000,"latitude":39.18,"longitude":-81.48},{"id":"iem_D_38.210_-81.340_1786388700000","source":"iem","severity":"low","severityValue":25,"timestamp":1786388700000,"latitude":38.21,"longitude":-81.34},{"id":"iem_D_39.030_-81.740_1786383600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786383600000,"latitude":39.03,"longitude":-81.74}] |
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.
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Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.