This alert expired on 11 June 2026 at 21:15 UTC. It is kept here as a record.
It is the 12th strongest of the 25 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 20 May 2026.
What the source measured
NOAA reported: Special Marine Warning issued June 11 at 4:23PM EDT until June 11 at 5:15PM EDT by NWS Buffalo NY
An estimated 355,822 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 11, 2026 · score 37 · 6.1 km
- May 9, 2026 · score 43 · 12.3 km
- July 1, 2026 · score 43 · 12.7 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 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) | 37 / 100 |
| Our confidence | 80% |
| Coordinates | 43.3736, -77.8073 |
| Nearest City | Gates-North Gates (24 km) |
| Population Exposed | 355.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-11T20:23:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b41e80c63faf26cd9504c588597b083ded04d3b0.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | 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 June 11 at 4:23PM EDT until June 11 at 5:15PM EDT by NWS Buffalo NY |
| Expires | 2026-06-11T17:15:00-04:00 |
| 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 Gates-North Gates?
Calamity.live data shows a weather event with CalamityScore 37/100, near Gates-North Gates (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.