Right now
The most recent data we hold from NOAA arrived 10 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
12 other detections within 20 km in the last 24 hours, the nearest 5 km from here.
This alert expired on 11 August 2026 at 18:45 UTC. It is kept here as a record.
It is the strongest of the 47 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued August 11 at 2:18PM EDT until August 11 at 2:45PM EDT by NWS Blacksburg VA
An estimated 43,807 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 9, 2026 · score 22 · 13.4 km
- July 7, 2026 · score 34 · 19.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 58 out of 100, at 79 % 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 | Critical |
| Calamity Score (ours) | 58 / 100 |
| Our confidence | 79% |
| Coordinates | 36.8475, -81.7262 |
| Nearest City | Bristol (50 km) |
| Population Exposed | 43.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T18:18:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ba52d04e2342739f94bb68d442efa1768abdb919.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Smyth, VA |
| Headline | Tornado Warning issued August 11 at 2:18PM EDT until August 11 at 2:45PM EDT by NWS Blacksburg VA |
| Expires | 2026-08-11T14:45:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 58/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.