This alert expired on 3 September 2026 at 01:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 27 detections recorded within 20 km of this point since 15 April 2026. The last comparable one was on 2 September 2026.
What the source measured
NOAA reported: Tornado Warning issued September 2 at 8:18PM EDT until September 2 at 9:00PM EDT by NWS Binghamton NY
Nearby, since 15 April 2026
- July 28, 2026 · score 22 · 14.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 60 % 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 | Critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 60% |
| Coordinates | 42.1016, -77.4282 |
| Nearest City | Elmira (51 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-03T00:18:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.435a271eac975176e4749288348ca7a18a71f3f7.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cayuga, NY; Seneca, NY; Allegany, NY; Livingston, NY; Centre, PA; Clinton, PA and 1 more areas |
| Headline | Tornado Warning issued September 2 at 8:18PM EDT until September 2 at 9:00PM EDT by NWS Binghamton NY |
| Expires | 2026-09-02T21:00:00-04:00 |
| SenderName | NWS Binghamton NY |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.435a271eac975176e4749288348ca7a18a71f3f7.001.1","noaa_urn:oid:2.49.0.1.840.0.12ec1f47fb8c9ce2201b2b67516d12ad054e8465.002.1","noaa_urn:oid:2.49.0.1.840.0.ac951dee0397f9a891a3fcb4423d3e985990c0e4.001.1","noaa_urn:oid:2.49.0.1.840.0.5eadc1b7f7c62f02a19dc1c1c8ed1899f648468b.001.1"] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.