This alert expired on 2 September 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 73 recorded within 20 km of this point since 9 March 2026 — one other scored the same. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Tornado Warning issued September 2 at 6:28PM EDT until September 2 at 7:00PM EDT by NWS Buffalo NY
An estimated 824,042 people live within 50 km of this point.
Nearby, since 9 March 2026
- July 18, 2026 · score 48 · 9.4 km
- July 21, 2026 · score 48 · 9.6 km
- May 9, 2026 · score 43 · 11.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 72 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 | Critical |
| Calamity Score (ours) | 72 / 100 |
| Our confidence | 80% |
| Coordinates | 43.2340, -78.4885 |
| Nearest City | Lockport (18 km) |
| Population Exposed | 824.0K within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-09-02T22:28:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.6e9f719abd859714a848a576d889a5942c4feffe.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Genesee, NY; Niagara, NY; Orleans, NY; Niagara, NY; Orleans, NY |
| Headline | Tornado Warning issued September 2 at 6:28PM EDT until September 2 at 7:00PM EDT by NWS Buffalo NY |
| Expires | 2026-09-02T19:00:00-04:00 |
| SenderName | NWS Buffalo NY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6e9f719abd859714a848a576d889a5942c4feffe.001.1","noaa_urn:oid:2.49.0.1.840.0.e65cc0fb90684b83e0a5384de4c79f576cc9e509.001.1"] |
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 near Lockport?
Calamity.live data shows a weather event with CalamityScore 72/100, near Lockport (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.