This alert expired on 11 July 2026 at 18:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 30 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 4 July 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 11 at 11:00AM EDT until July 11 at 2:00PM EDT by NWS Charleston WV
An estimated 162,848 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 28, 2026 · score 67 · 3.9 km
- July 19, 2026 · score 43 · 4.4 km
- August 12, 2026 · score 43 · 14.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 82 % 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) | 43 / 100 |
| Our confidence | 82% |
| Coordinates | 36.7004, -82.4794 |
| Nearest City | Kingsport (18 km) |
| Population Exposed | 162.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-11T15:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.27eac4936579e7f69b71d2fab3c715cd |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Buchanan, VA; McDowell, WV; Pike, KY; Cocke, TN and 1 more areas |
| Headline | Flash Flood Warning issued July 11 at 11:00AM EDT until July 11 at 2:00PM EDT by NWS Charleston WV |
| Expires | 2026-07-11T14:00:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.27eac4936579e7f69b71d2fab3c715cd37d718e9.001.1","noaa_urn:oid:2.49.0.1.840.0.122f1d323ea51e55f91ed932aaa832ac834c4159.001.1","noaa_urn:oid:2.49.0.1.840.0.503a3763252a50143e70509bd834644cc9e2da1e.001.1","noaa_urn:oid:2.49.0.1.840.0.fb0476ef298830726e031964003f9fed60c6c1b3.001.1"] |
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 near Kingsport?
Calamity.live data shows a weather event with CalamityScore 43/100, near Kingsport (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.