This alert expired on 8 August 2026 at 23:33 UTC. It is kept here as a record.
It is the 10th strongest of the 43 detections recorded within 20 km of this point since 22 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 8 at 7:24PM EDT until August 8 at 7:30PM EDT by NWS State College PA
An estimated 38,403 people live within 50 km of this point.
Nearby, since 22 March 2026
- July 21, 2026 · score 58 · 17.8 km
- June 20, 2026 · score 43 · 23.7 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 80 % 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 | 80% |
| Coordinates | 41.2944, -79.8998 |
| Nearest City | Hermitage (47 km) |
| Population Exposed | 38.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-08T23:24:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3728cff4600b67ace7bed79d1555dec4 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Warren, PA; Beaver, PA; Lawrence, PA |
| Headline | Severe Thunderstorm Warning issued August 8 at 7:24PM EDT until August 8 at 7:30PM EDT by NWS State College PA |
| Expires | 2026-08-08T19:33:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3728cff4600b67ace7bed79d1555dec4ae52ae7f.001.1","noaa_urn:oid:2.49.0.1.840.0.7c1faf077b93c16954d4506579fd4098dc4a59af.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 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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.