This alert expired on 9 July 2026 at 21:15 UTC. It is kept here as a record.
It is the 7th strongest of the 79 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 4 July 2026. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 9 at 1:47PM EDT until July 9 at 5:15PM EDT by NWS Pittsburgh PA
An estimated 65,593 people live within 50 km of this point.
Nearby, since 17 March 2026
- September 4, 2026 · score 32 · 8.0 km
- June 22, 2026 · score 63 · 8.4 km
- June 22, 2026 · score 63 · 9.3 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 | 39.4050, -79.9788 |
| Nearest City | Fairmont (17 km) |
| Population Exposed | 65.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-09T17:47:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.6ca45032e585cc4faea6c40b32e288ab |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Monongalia, WV; Preston, WV; Tucker, WV; Marion, WV; Monongalia, WV; Preston, WV; Wetzel, WV |
| Headline | Flash Flood Warning issued July 9 at 1:47PM EDT until July 9 at 5:15PM EDT by NWS Pittsburgh PA |
| Expires | 2026-07-09T17:15:00-04:00 |
| SenderName | NWS Pittsburgh PA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6ca45032e585cc4faea6c40b32e288ab31711fc0.001.1","noaa_urn:oid:2.49.0.1.840.0.c542b071c386172fc75aab4f230fc6fd8e267696.001.1"] |
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 Fairmont?
Calamity.live data shows a weather event with CalamityScore 39/100, near Fairmont (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.