This alert expired on 10 August 2026 at 21:00 UTC. It is kept here as a record.
No stronger detection stands among the 47 recorded within 20 km of this point since 16 March 2026 — 32 others scored the same. The last comparable one was on 7 August 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 10 at 4:28PM EDT until August 10 at 5:00PM EDT by NWS Blacksburg VA
An estimated 64,154 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 18, 2026 · score 39 · 4.6 km
- August 7, 2026 · score 39 · 16.8 km
- March 17, 2026 · score 39 · 20.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 78 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 39 / 100 |
| Our confidence | 78% |
| Coordinates | 38.3065, -78.1540 |
| Nearest City | Culpeper (23 km) |
| Population Exposed | 64.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-10T20:28:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.82aa45509928d0214d73fe4bc1916b2a |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Amherst, VA; Bedford, VA; Botetourt, VA; Rockbridge, VA; City of Buena Vista, VA; Amherst, VA; Appomattox, VA; Bedford, VA; Buckingham, VA; Campbell, VA; Pittsylvania, VA; City of Lynchburg, VA; Cumberland, VA; Fluvanna, VA; Goochland, VA; Hanover, VA; Louisa, VA; Powhatan, VA and 6 more areas |
| Headline | Severe Thunderstorm Warning issued August 10 at 4:28PM EDT until August 10 at 5:00PM EDT by NWS Blacksburg VA |
| Expires | 2026-08-10T17:00:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
| MergedCount | 9 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.82aa45509928d0214d73fe4bc1916b2aa010e8ab.002.1","noaa_urn:oid:2.49.0.1.840.0.615f50210e8597fa9f129ddd2bd3db9a5431c96a.001.1","noaa_urn:oid:2.49.0.1.840.0.cb62310e1c4d283b81489b3a8dff15bd3f531f8a.001.1","noaa_urn:oid:2.49.0.1.840.0.b4f64b959822447e166af70a087e984bfe38be85.002.1","noaa_urn:oid:2.49.0.1.840.0.9773de75d375bf72c89e41b85cd0e11bf2c1edef.001.1","noaa_urn:oid:2.49.0.1.840.0.d18090bb177374aea140021f70fc9d2f965646ee.001.1","noaa_urn:oid:2.49.0.1.840.0.1b917de414e3bf900da8f6a3e67cd524756d5dfc.001.1","noaa_urn:oid:2.49.0.1.840.0.d26df44dbbc5549fbf259cf33d49766c390625f9.001.1","noaa_urn:oid:2.49.0.1.840.0.6ff2c29afc4e753a4d877d08d0d779de60e22c2f.001.1"] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 39/100, near Culpeper (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.