This alert expired on 2 July 2026 at 01:00 UTC. It is kept here as a record.
No stronger detection stands among the 29 recorded within 20 km of this point since 15 March 2026 — 20 others scored the same. The last comparable one was on 30 June 2026. 13 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 1 at 7:55PM EDT until July 1 at 9:00PM EDT by NWS Buffalo NY
An estimated 159,265 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 14, 2026 · score 43 · 9.8 km
- June 30, 2026 · score 43 · 13.1 km
- May 20, 2026 · score 43 · 13.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 78 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 78% |
| Coordinates | 44.0469, -76.1469 |
| Nearest City | Watertown (21 km) |
| Population Exposed | 159.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-01T23:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.a1adb7a5b123ba7f4812e381c0271490 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Hamlin Beach to Sodus Bay NY; Sodus Bay to Mexico Bay NY; Mexico Bay NY to the St. Lawrence River; Hamlin Beach to Sodus Bay NY beyond 5NM off shoreline to US-Canadian border; Sodus Bay to Mexico Bay NY beyond 5NM off shoreline to US-Canadian border; Mexico Bay NY to the St. Lawrence River beyond 5NM off shoreline to US-Canadian border; St. Lawrence River above Ogdensburg NY; St. Lawrence River from Ogdensburg to St. Regis NY |
| Headline | Special Marine Warning issued July 1 at 7:55PM EDT until July 1 at 9:00PM EDT by NWS Buffalo NY |
| Expires | 2026-07-01T21:00:00-04:00 |
| SenderName | NWS Buffalo NY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a1adb7a5b123ba7f4812e381c02714900350dc3b.001.1","noaa_urn:oid:2.49.0.1.840.0.dfdb6eb32b9a8e3f304cbf4884f63c83363208ef.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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 43/100, near Watertown (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.