This alert expired on 3 September 2026 at 03:30 UTC. It is kept here as a record.
It is the 12th strongest of the 21 detections recorded within 20 km of this point since 1 April 2026. The last comparable one was on 2 September 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 2 at 10:51PM EDT until September 2 at 11:30PM EDT by NWS State College PA
Nearby, since 1 April 2026
- July 7, 2026 · score 22 · 10.0 km
- July 11, 2026 · score 22 · 19.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 16 out of 100, at 66 % 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) | 16 / 100 |
| Our confidence | 66% |
| Coordinates | 41.7089, -78.4154 |
| Nearest City | Jamestown (81 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-03T02:51:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.63aade02e4be43cceb2fa486afa6e454d1607a65.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Dauphin, PA; Northumberland, PA; Snyder, PA; Union, PA; Lackawanna, PA; Luzerne, PA; Pike, PA; Wayne, PA; Wyoming, PA; Allegany, NY and 4 more areas |
| Headline | Severe Thunderstorm Warning issued September 2 at 10:51PM EDT until September 2 at 11:30PM EDT by NWS State College PA |
| Expires | 2026-09-02T23:30:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.63aade02e4be43cceb2fa486afa6e454d1607a65.001.1","noaa_urn:oid:2.49.0.1.840.0.6b79a3411bb657e58d80e4f2789cd6df68d70621.002.1","noaa_urn:oid:2.49.0.1.840.0.521b87ca4fd955fa4a3d73edfd1bbf59e22ea159.001.1","noaa_urn:oid:2.49.0.1.840.0.c7dad1f058338186b9950904b3f29a9a81423c7d.001.1","noaa_urn:oid:2.49.0.1.840.0.09cc5e275bf1ce88ba55ce568b6cf2fdbd5137a5.001.1","noaa_urn:oid:2.49.0.1.840.0.ddf02a59825f6b21a98fb027588dcf42a029d8a8.001.1","noaa_urn:oid:2.49.0.1.840.0.f7608fb7b46f90f05f1b870cdd0483f1d4e81b2c.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 2 NNW Falls Creek |
| Spc County | Jefferson |
| Spc State | PA |
| Spc Comments | Trees down. (PBZ) |
| MergedSources | [{"id":"spc_wind_41.87_-79.15_1","source":"spc","severity":"medium","severityValue":45,"timestamp":1788403918631,"latitude":41.87,"longitude":-79.15},{"id":"spc_wind_41.87_-79.19_2","source":"spc","severity":"medium","severityValue":45,"timestamp":1788403918631,"latitude":41.87,"longitude":-79.19},{"id":"spc_wind_41.87_-79.19_11","source":"spc","severity":"medium","severityValue":45,"timestamp":1788403918632,"latitude":41.87,"longitude":-79.19},{"id":"spc_wind_41.29_-78.90_14","source":"spc","severity":"medium","severityValue":45,"timestamp":1788403918632,"latitude":41.29,"longitude":-78.9},{"id":"spc_wind_41.19_-78.92_15","source":"spc","severity":"medium","severityValue":45,"timestamp":1788403918632,"latitude":41.19,"longitude":-78.92},{"id":"spc_wind_41.33_-78.60_17","source":"spc","severity":"medium","severityValue":45,"timestamp":1788403918632,"latitude":41.33,"longitude":-78.6},{"id":"spc_wind_41.11_-78.64_18","source":"spc","severity":"medium","severityValue":45,"timestamp":1788403918632,"latitude":41.11,"longitude":-78.64},{"id":"spc_wind_41.11_-78.64_19","source":"spc","severity":"medium","severityValue":45,"timestamp":1788403918632,"latitude":41.11,"longitude":-78.64},{"id":"spc_wind_41.17_-78.82_20","source":"spc","severity":"medium","severityValue":45,"timestamp":1788403918632,"latitude":41.17,"longitude":-78.82}] |
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 16/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.