Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 4 September 2026 at 01:00 UTC. It is kept here as a record.
It is the 77th strongest of the 106 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 3 September 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 3 at 8:20PM EDT until September 3 at 9:00PM EDT by NWS Baltimore MD/Washington DC
An estimated 85,416 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 14, 2026 · score 39 · 8.3 km
- September 3, 2026 · score 32 · 8.6 km
- July 18, 2026 · score 39 · 14.7 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 32 out of 100, at 86 % 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 | 86% |
| Coordinates | 39.6245, -78.1191 |
| Nearest City | Martinsburg (23 km) |
| Population Exposed | 85.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T00:20:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.66b5005dc2ee24fe8d6ed95440d1cbcea0c3ed48.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Allegany, MD; Washington, MD; Morgan, WV |
| Headline | Severe Thunderstorm Warning issued September 3 at 8:20PM EDT until September 3 at 9:00PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-09-03T21:00:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | New Paris |
| Spc County | Bedford |
| Spc State | PA |
| Spc Comments | Tree down blocking the intersection of Cortland Road and Hinson Road. (CTP) |
| MergedSources | [{"id":"spc_wind_40.20_-78.52_8","source":"spc","severity":"medium","severityValue":45,"timestamp":1788482365426,"latitude":40.2,"longitude":-78.52},{"id":"spc_wind_40.08_-78.67_183","source":"spc","severity":"medium","severityValue":45,"timestamp":1788482365429,"latitude":40.08,"longitude":-78.67},{"id":"spc_wind_40.10_-78.65_184","source":"spc","severity":"medium","severityValue":45,"timestamp":1788482365429,"latitude":40.1,"longitude":-78.65}] |
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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