This alert expired on 4 August 2026 at 04:45 UTC. It is kept here as a record.
It is the 13th strongest of the 61 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 27 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued August 3 at 6:40PM EDT until August 4 at 12:45AM EDT by NWS Blacksburg VA
An estimated 145,329 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 4, 2026 · score 43 · 0.0 km
- July 18, 2026 · score 43 · 12.5 km
- September 2, 2026 · score 37 · 13.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100, at 81 % 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) | 37 / 100 |
| Our confidence | 81% |
| Coordinates | 37.4625, -79.3492 |
| Nearest City | West Lynchburg (16 km) |
| Population Exposed | 145.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-03T22:40:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9182e9e1ceb342a34c1eda28ec43b9a69109d87f.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Amherst, VA; Bedford, VA; Botetourt, VA; Rockbridge, VA |
| Headline | Flash Flood Warning issued August 3 at 6:40PM EDT until August 4 at 12:45AM EDT by NWS Blacksburg VA |
| Expires | 2026-08-04T00:45:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 West Lynchburg?
Calamity.live data shows a weather event with CalamityScore 37/100, near West Lynchburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.