This alert expired on 3 September 2026 at 14:15 UTC. It is kept here as a record.
It is the 13th strongest of the 32 detections recorded within 20 km of this point since 13 May 2026. The last comparable one was on 2 September 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 3 at 9:52AM EDT until September 3 at 10:15AM EDT by NWS State College PA
An estimated 78,823 people live within 50 km of this point.
Nearby, since 13 May 2026
- July 18, 2026 · score 39 · 16.3 km
- September 2, 2026 · score 32 · 19.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 32 / 100 |
| Our confidence | 81% |
| Coordinates | 39.7606, -78.0497 |
| Nearest City | Hagerstown (31 km) |
| Population Exposed | 78.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T13:52:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.9598a8f98cb6dcb0e1f1f66bb70770cacfa27020.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Bedford, PA; Franklin, PA; Fulton, PA; Washington, MD; Berkeley, WV; Morgan, WV |
| Headline | Severe Thunderstorm Warning issued September 3 at 9:52AM EDT until September 3 at 10:15AM EDT by NWS State College PA |
| Expires | 2026-09-03T10:15:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9598a8f98cb6dcb0e1f1f66bb70770cacfa27020.001.1","noaa_urn:oid:2.49.0.1.840.0.7879d3d29428b8c02b4a219fde648c750c98592b.001.1"] |
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 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 32/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.