This alert expired on 3 September 2026 at 02:15 UTC. It is kept here as a record.
It is the 17th strongest of the 26 detections recorded within 20 km of this point since 7 April 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 2 at 9:29PM EDT until September 2 at 10:15PM EDT by NWS Buffalo NY
An estimated 159,265 people live within 50 km of this point.
Nearby, since 7 April 2026
- June 20, 2026 · score 43 · 2.3 km
- June 14, 2026 · score 43 · 6.5 km
- May 20, 2026 · score 43 · 7.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 37 out of 100, at 80 % 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) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 44.1908, -76.1183 |
| Nearest City | Kingston (29 km) |
| Population Exposed | 159.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-03T01:29:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.e07b71a24ee73e41ae6473592be80c22bec31901.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Jefferson, NY |
| Headline | Severe Thunderstorm Warning issued September 2 at 9:29PM EDT until September 2 at 10:15PM EDT by NWS Buffalo NY |
| Expires | 2026-09-02T22:15:00-04:00 |
| SenderName | NWS Buffalo NY |
| HasExactCoords | true |
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 near Kingston?
Calamity.live data shows a weather event with CalamityScore 37/100, near Kingston (Canada), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.