Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 12 July 2026 at 13:45 UTC. It is kept here as a record.
It is the 21st strongest of the 45 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 6 July 2026. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 12 at 6:38AM EDT until July 12 at 9:45AM EDT by NWS Morristown TN
An estimated 29,478 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 19, 2026 · score 22 · 6.7 km
- September 5, 2026 · score 28 · 9.0 km
- July 6, 2026 · score 39 · 14.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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) | 34 / 100 |
| Our confidence | 81% |
| Coordinates | 36.6200, -83.1917 |
| Nearest City | Morristown (46 km) |
| Population Exposed | 29.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-12T10:38:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cd0cbce9ec45795e9d95b6900eee09f11acaad24.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Hancock, TN; Lee, VA |
| Headline | Flash Flood Warning issued July 12 at 6:38AM EDT until July 12 at 9:45AM EDT by NWS Morristown TN |
| Expires | 2026-07-12T09:45:00-04:00 |
| SenderName | NWS Morristown TN |
| HasExactCoords | true |
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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.