This alert expired on 16 March 2026 at 16:15 UTC. It is kept here as a record.
It is the 4th strongest of the 16 detections recorded within 20 km of this point since 16 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 16 at 11:11AM EDT until March 16 at 12:15PM EDT by NWS Blacksburg VA
An estimated 42,082 people live within 50 km of this point.
Nearby, since 16 March 2026
- September 4, 2026 · score 37 · 18.7 km
- May 26, 2026 · score 34 · 19.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 77 % 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 | 77% |
| Coordinates | 36.8290, -79.1610 |
| Nearest City | Danville (34 km) |
| Population Exposed | 42.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T15:11:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cd9f27ff338f9915ec354d9a66ec57291de963e4.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Caswell, NC; Rockingham, NC; Amherst, VA; Appomattox, VA; Bedford, VA; Campbell, VA; Halifax, VA; Pittsylvania, VA; City of Danville, VA; City of Lynchburg, VA |
| Headline | Severe Thunderstorm Warning issued March 16 at 11:11AM EDT until March 16 at 12:15PM EDT by NWS Blacksburg VA |
| Expires | 2026-03-16T12:15:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
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.