This alert expired on 13 March 2026 at 21:30 UTC. It is kept here as a record.
No stronger detection stands among the 25 recorded within 20 km of this point since 13 March 2026 — 16 others scored the same.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 13 at 4:48PM EDT until March 13 at 5:30PM EDT by NWS State College PA
An estimated 30,075 people live within 50 km of this point.
Nearby, since 13 March 2026
- July 18, 2026 · score 34 · 19.3 km
- August 9, 2026 · score 34 · 23.1 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 79 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 79% |
| Coordinates | 41.8683, -79.2483 |
| Nearest City | Jamestown (26 km) |
| Population Exposed | 30.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-13T20:48:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_7e027332b9222c4e3fd3d6dc7085aba2c35c8350_001_1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | McKean, PA; Warren, PA |
| Headline | Severe Thunderstorm Warning issued March 13 at 4:48PM EDT until March 13 at 5:30PM EDT by NWS State College PA |
| Expires | 2026-03-13T17:30:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | true |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 10 February 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.
Calamity.live data shows a weather event with CalamityScore 34/100, near Jamestown (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.