This alert expired on 12 June 2026 at 05:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 17 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 11 June 2026. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 12 at 12:38AM EDT until June 12 at 1:45AM EDT by NWS Upton NY
An estimated 875,350 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 11, 2026 · score 46 · 4.8 km
- June 12, 2026 · score 46 · 11.9 km
- June 11, 2026 · score 46 · 12.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 81 % 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) | 48 / 100 |
| Our confidence | 81% |
| Coordinates | 40.7515, -72.8550 |
| Nearest City | Shirley (6 km) |
| Population Exposed | 875.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-12T04:38:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a2bf23fa900df3e7ee9cee24876ab49724ff480f.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | South Shore Bays from Jones Inlet through Shinnecock Bay; Moriches Inlet NY to Montauk Point NY out 20 NM; Fire Island Inlet NY to Moriches Inlet NY out 20 NM |
| Headline | Special Marine Warning issued June 12 at 12:38AM EDT until June 12 at 1:45AM EDT by NWS Upton NY |
| Expires | 2026-06-12T01:45:00-04:00 |
| SenderName | NWS Upton 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 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.
Want to know when something happens near Shirley?
Calamity.live data shows a weather event with CalamityScore 48/100, near Shirley (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.