This alert expired on 18 June 2026 at 11:45 UTC. It is kept here as a record.
It is the strongest of the 38 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 11 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 18 at 7:33AM EDT until June 18 at 7:45AM EDT by NWS Pittsburgh PA
An estimated 30,708 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 9, 2026 · score 34 · 10.7 km
- August 28, 2026 · score 34 · 13.1 km
- July 21, 2026 · score 16 · 17.1 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 58 out of 100, at 89 % 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 | 89% |
| Coordinates | 39.3343, -79.5414 |
| Nearest City | Morgantown (49 km) |
| Population Exposed | 30.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-18T11:33:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0b6f93c94206852f1b4cbb9386fb5fd1c68a86ba.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Preston, WV |
| Headline | Tornado Warning issued June 18 at 7:33AM EDT until June 18 at 7:45AM EDT by NWS Pittsburgh PA |
| Expires | 2026-06-18T07:45:00-04:00 |
| SenderName | NWS Pittsburgh PA |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 1 S Cheat Lake |
| Spc County | Monongalia |
| Spc State | WV |
| Spc Comments | A tree was reported down over powerlines. (PBZ) |
| Iem TypeSummary | D |
| Iem City | 1 S Cheat Lake |
| Iem County | Monongalia |
| Iem State | WV |
| Iem Wfo | PBZ |
| Iem Remark | A tree was reported down over powerlines. |
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.