Right now
The most recent data we hold from NOAA arrived 5 minutes ago, and this point is in it.
2 other detections within 20 km in the last 24 hours, the nearest 3 km from here.
This alert expired on 11 September 2026 at 20:30 UTC. It is kept here as a record.
It is the 17th strongest of the 34 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 11 at 4:20PM EDT until September 11 at 4:30PM EDT by NWS Blacksburg VA
Nearby, since 16 March 2026
- July 5, 2026 · score 22 · 1.7 km
- September 11, 2026 · score 32 · 5.6 km
- May 26, 2026 · score 22 · 9.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 61 % 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) | 16 / 100 |
| Our confidence | 61% |
| Coordinates | 37.0885, -78.6875 |
| Nearest City | Lynchburg (54 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-11T20:20:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.0ce459ab3c2690d0e6361984e70ab67d5acc1e57.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Amherst, VA; Appomattox, VA; Campbell, VA; City of Lynchburg, VA; Lunenburg, VA; Mecklenburg, VA |
| Headline | Severe Thunderstorm Warning issued September 11 at 4:20PM EDT until September 11 at 4:30PM EDT by NWS Blacksburg VA |
| Expires | 2026-09-11T16:30:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0ce459ab3c2690d0e6361984e70ab67d5acc1e57.001.1","noaa_urn:oid:2.49.0.1.840.0.e53187399aa48a0d58f71b59952d6bbc2affa0d5.001.1"] |
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 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.
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