This alert expired on 7 August 2026 at 22:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 48 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 7 at 5:41PM EDT until August 7 at 6:00PM EDT by NWS Charleston WV
An estimated 378,804 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 28, 2026 · score 37 · 9.6 km
- June 18, 2026 · score 67 · 10.5 km
- August 7, 2026 · score 43 · 11.9 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.
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) | 43 / 100 |
| Our confidence | 79% |
| Coordinates | 38.8379, -82.5750 |
| Nearest City | Portsmouth (39 km) |
| Population Exposed | 378.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-07T21:41:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c68d1854fda2a584b8ef12536b1e916c |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Athens, OH; Gallia, OH; Jackson, OH; Meigs, OH; Vinton, OH; Boyd, KY; Greenup, KY; Gallia, OH; Lawrence, OH |
| Headline | Severe Thunderstorm Warning issued August 7 at 5:41PM EDT until August 7 at 6:00PM EDT by NWS Charleston WV |
| Expires | 2026-08-07T18:00:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c68d1854fda2a584b8ef12536b1e916c8bc0ee31.001.1","noaa_urn:oid:2.49.0.1.840.0.f1670993ba7b81985ba08c17a06bf4d6a55fbccb.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 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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.