This alert expired on 28 August 2026 at 04:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 28 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 27 at 11:34PM EDT until August 28 at 12:15AM EDT by NWS Blacksburg VA
An estimated 44,215 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 28, 2026 · score 46 · 13.8 km
- September 5, 2026 · score 28 · 25.0 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 86 % 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 | 86% |
| Coordinates | 37.6133, -80.5267 |
| Nearest City | Blacksburg (44 km) |
| Population Exposed | 44.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-28T03:34:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3032cf2df1e77cba4a8e5597a527b5e2486b3bab.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Monroe, WV |
| Headline | Severe Thunderstorm Warning issued August 27 at 11:34PM EDT until August 28 at 12:15AM EDT by NWS Blacksburg VA |
| Expires | 2026-08-28T00:15:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 2 SW Union |
| Spc County | Monroe |
| Spc State | WV |
| Spc Comments | A couple trees down near Garys Garage. (RNK) |
| MergedSources | [{"id":"spc_wind_37.57_-80.56_175","source":"spc","severity":"medium","severityValue":45,"timestamp":1787887800000,"latitude":37.57,"longitude":-80.56}] |
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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.