This alert expired on 3 August 2026 at 00:00 UTC. It is kept here as a record.
It is the 19th strongest of the 73 detections recorded within 20 km of this point since 9 March 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 2 at 7:20PM EDT until August 2 at 8:00PM EDT by NWS Buffalo NY
An estimated 1,098,920 people live within 50 km of this point.
Nearby, since 9 March 2026
- June 18, 2026 · score 52 · 2.9 km
- August 2, 2026 · score 46 · 6.6 km
- August 3, 2026 · score 52 · 12.4 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 80 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 80% |
| Coordinates | 42.9469, -78.7156 |
| Nearest City | Depew (6 km) |
| Population Exposed | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-02T23:20:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.e252ba110d743504d01f336b5b54c530 |
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; Niagara River to Hamlin Beach NY; Hamlin Beach to Sodus Bay NY; Niagara River to Hamlin Beach NY beyond 5NM off shoreline to US-Canadian border; Hamlin Beach to Sodus Bay NY beyond 5NM off shoreline to US-Canadian border |
| Headline | Special Marine Warning issued August 2 at 7:20PM EDT until August 2 at 8:00PM EDT by NWS Buffalo NY |
| Expires | 2026-08-02T20:00:00-04:00 |
| SenderName | NWS Buffalo NY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e252ba110d743504d01f336b5b54c5306d4920ec.001.1","noaa_urn:oid:2.49.0.1.840.0.87edaaf49b7a01d68237c7f7226bd5164791a5ec.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 Depew?
Calamity.live data shows a weather event with CalamityScore 46/100, near Depew (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.