This alert is in force until 3 September 2026, 01:00 UTC.
It is the 37th strongest of the 80 detections recorded within 20 km of this point since 9 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Special Marine Warning issued September 2 at 7:04PM EDT until September 2 at 9:00PM EDT by NWS Buffalo NY
An estimated 891,518 people live within 50 km of this point.
Nearby, since 9 March 2026
- September 2, 2026 · score 41 · 3.1 km
- August 8, 2026 · score 41 · 4.9 km
- March 9, 2026 · score 52 · 5.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 41 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) | 41 / 100 |
| Our confidence | 80% |
| Coordinates | 43.0354, -78.5996 |
| Nearest City | East Amherst (8 km) |
| Population Exposed | 891.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-02T23:04:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.777e18d39b5a93b9aa88a0eaf9754db1bb947bc5.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Ripley to Dunkirk NY; Dunkirk to Buffalo NY; Ripley to Buffalo NY extending from 5NM off shoreline to US-Canadian border; Upper Niagara River and Buffalo Harbor; Dunkirk to Buffalo NY; Ripley to Buffalo NY extending from 5NM off shoreline to US-Canadian border; Lower Niagara River; Lower Niagara River; Niagara River to Hamlin Beach NY; Niagara River to Hamlin Beach NY beyond 5NM off shoreline to US-Canadian border and 1 more areas |
| Headline | Special Marine Warning issued September 2 at 7:04PM EDT until September 2 at 9:00PM EDT by NWS Buffalo NY |
| Expires | 2026-09-02T21:00:00-04:00 |
| SenderName | NWS Buffalo NY |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.777e18d39b5a93b9aa88a0eaf9754db1bb947bc5.001.1","noaa_urn:oid:2.49.0.1.840.0.e6a1c8efcc995db694838b26d0018b25ab4034a2.001.1","noaa_urn:oid:2.49.0.1.840.0.71b1d1aee525f9784efb55da465fac424721484f.001.1","noaa_urn:oid:2.49.0.1.840.0.b93708accc80d3162fbbb4104b06e3cb7f758c47.001.1"] |
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 near East Amherst?
Calamity.live data shows a weather event with CalamityScore 41/100, near East Amherst (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.