Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
One other detection within 20 km in the last 24 hours, 15 km from here.
This alert expired on 3 July 2026 at 23:45 UTC. It is kept here as a record.
It is the 6th strongest of the 91 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: Severe Thunderstorm Warning issued July 3 at 7:31PM EDT until July 3 at 7:45PM EDT by NWS Pittsburgh PA
An estimated 186,735 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 20, 2026 · score 43 · 8.5 km
- May 9, 2026 · score 43 · 13.3 km
- July 21, 2026 · score 58 · 14.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 84 % 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 | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 84% |
| Coordinates | 41.2580, -80.2180 |
| Nearest City | Hermitage (20 km) |
| Population Exposed | 186.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-03T23:31:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3d71bbb229c0a8f4102d4ebd4f886ac812acb6f6.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Mercer, PA |
| Headline | Severe Thunderstorm Warning issued July 3 at 7:31PM EDT until July 3 at 7:45PM EDT by NWS Pittsburgh PA |
| Expires | 2026-07-03T19:45:00-04:00 |
| SenderName | NWS Pittsburgh PA |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 1 E Sharon |
| Iem County | Mercer |
| Iem State | PA |
| Iem Wfo | PBZ |
| Iem Remark | Wires down on Kimberly Road and Bentley Ave. |
| MergedSources | [{"id":"iem_D_41.240_-80.490_1783120620000","source":"iem","severity":"low","severityValue":25,"timestamp":1783120620000,"latitude":41.24,"longitude":-80.49}] |
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.
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