This alert expired on 17 March 2026 at 23:45 UTC. It is kept here as a record.
It is the 9th strongest of the 57 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Snow Squall Warning issued March 17 at 7:23PM EDT until March 17 at 7:45PM EDT by NWS Pittsburgh PA
Nearby, since 17 March 2026
- July 4, 2026 · score 22 · 24.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % 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) | 22 / 100 |
| Our confidence | 61% |
| Coordinates | 41.2781, -79.1600 |
| Nearest City | Jamestown (92 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-17T23:23:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6a938c3e658fec143aa032f79e858c62cd3b46fd.002.1 |
Score Breakdown
Technical Details
| Event | Snow Squall Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Clarion, PA; Forest, PA; Jefferson, PA |
| Headline | Snow Squall Warning issued March 17 at 7:23PM EDT until March 17 at 7:45PM EDT by NWS Pittsburgh PA |
| Expires | 2026-03-17T19:45:00-04:00 |
| SenderName | NWS Pittsburgh 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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.