This alert is in force until 3 September 2026, 01:45 UTC.
It is the 27th strongest of the 68 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 2 September 2026.
What the source measured
HEAT GOV reported: * WHAT...For the first Heat Advisory, heat index values up to 107. For the second Heat Advisory, heat index values up to 108 expected. * WHERE...Amherst, Appomattox, Buckingham, Campbell, Bedford, Charlotte, Halifax, and Pittsylvania Counties. * WHEN...For the first Heat Advisory, until 8 PM ED...
An estimated 145,329 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 19, 2026 · score 43 · 12.5 km
- May 21, 2026 · score 43 · 17.3 km
- May 21, 2026 · score 43 · 18.7 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 | 37.2467, -79.0078 |
| Nearest City | Lynchburg (22 km) |
| Population Exposed | 145.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T15:00:00.000Z |
| Source | http://www.weather.gov |
Score Breakdown
Technical Details
| Event | Heat Advisory |
| Urgency | Expected |
| Certainty | Likely |
| Onset | 2026-09-03T11:00:00-04:00 |
| Expires | 2026-09-02T21:45:00-04:00 |
| AreaDesc | Bedford; Amherst; 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 near Lynchburg?
Calamity.live data shows a weather event with CalamityScore 37/100, near Lynchburg (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.