This alert expired on 3 September 2026 at 02:30 UTC. It is kept here as a record.
It is the 31st strongest of the 48 detections recorded within 20 km of this point since 25 April 2026. The last comparable one was on 2 September 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 2 at 10:03PM EDT until September 2 at 10:30PM EDT by NWS State College PA
Nearby, since 25 April 2026
- August 12, 2026 · score 39 · 12.5 km
- September 1, 2026 · score 46 · 13.9 km
- September 1, 2026 · score 58 · 18.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 61 % 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 | 61% |
| Coordinates | 41.6970, -76.4558 |
| Nearest City | Elmira (53 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-03T02:03:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.61e95e748f218b61660fa92a17d5f59570144226.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lycoming, PA; Sullivan, PA; Tioga, PA; Broome, NY; Chenango, NY; Delaware, NY; Otsego, NY; Tioga, NY; Bradford, PA; Susquehanna, PA; Wayne, PA; Wyoming, PA; Centre, PA; Clinton, PA; Lycoming, PA; Union, PA and 1 more areas |
| Headline | Severe Thunderstorm Warning issued September 2 at 10:03PM EDT until September 2 at 10:30PM EDT by NWS State College PA |
| Expires | 2026-09-02T22:30:00-04:00 |
| SenderName | NWS State College PA |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.61e95e748f218b61660fa92a17d5f59570144226.001.1","noaa_urn:oid:2.49.0.1.840.0.7aa53114f2365ab993d7703847ac0e7b96dad740.001.1","noaa_urn:oid:2.49.0.1.840.0.f9d1c3e64b85c6eb3d298aacb7dfe9e939e1fc91.001.1","noaa_urn:oid:2.49.0.1.840.0.fbcff3974be3019eb356dd3b55f95c68ed336c08.002.1"] |
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 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.