This alert expired on 12 July 2026 at 15:15 UTC. It is kept here as a record.
No stronger detection stands among the 43 recorded within 20 km of this point since 16 March 2026 — 31 others scored the same. The last comparable one was on 11 July 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 12 at 8:15AM EDT until July 12 at 11:15AM EDT by NWS Charleston WV
An estimated 96,821 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 39 · 4.2 km
- March 16, 2026 · score 39 · 14.2 km
- June 18, 2026 · score 39 · 18.8 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 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) | 39 / 100 |
| Our confidence | 81% |
| Coordinates | 36.9393, -82.4648 |
| Nearest City | Kingsport (44 km) |
| Population Exposed | 96.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-12T12:15:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.f2ece2f330cdd58c9ba0884656fb623a |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Buchanan, VA; McDowell, WV; Hancock, TN; Lee, VA |
| Headline | Flash Flood Warning issued July 12 at 8:15AM EDT until July 12 at 11:15AM EDT by NWS Charleston WV |
| Expires | 2026-07-12T11:15:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f2ece2f330cdd58c9ba0884656fb623ac9e80d06.001.1","noaa_urn:oid:2.49.0.1.840.0.cd0cbce9ec45795e9d95b6900eee09f11acaad24.001.1"] |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.