Right now
The most recent data we hold from HEAT GOV arrived 34 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
2 other detections within 20 km in the last 24 hours, the nearest 14 km from here.
This alert expired on 4 September 2026 at 23:00 UTC. It is kept here as a record.
It is the 11th strongest of the 26 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 3 September 2026.
What the source measured
HEAT GOV reported: * WHAT...Heat index values up to 106. * WHERE...In North Carolina, Caswell and Rockingham Counties. In Virginia, Appomattox, Buckingham, Campbell, Charlotte, Halifax, and Pittsylvania Counties. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat ...
An estimated 145,329 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 17, 2026 · score 43 · 13.5 km
- May 21, 2026 · score 43 · 18.6 km
- September 3, 2026 · score 37 · 19.5 km
How we know
One source: HEAT GOV. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100, at 68 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 37 / 100 |
| Our confidence | 68% |
| Coordinates | 36.9773, -79.0612 |
| Nearest City | West Lynchburg (48 km) |
| Population Exposed | 145.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T16:10:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-04T12:10:00-04:00 |
| Expires | 2026-09-04T19:00:00-04:00 |
| AreaDesc | Rockingham; Caswell; Pittsylvania; Campbell; Appomattox; Buckingham; Halifax; Charlotte |
| SenderName | NWS Blacksburg VA |
| ZonesUsedForCentroid | 8 |
| ZoneCount | 8 |
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 37/100 (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.