Right now
The most recent data we hold from NOAA arrived 11 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 21 July 2026 at 21:00 UTC. It is kept here as a record.
It is the 77th strongest of the 101 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 15 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 21 at 3:55PM EDT until July 21 at 5:00PM EDT by NWS Upton NY
An estimated 27,213,970 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 12, 2026 · score 52 · 1.5 km
- June 12, 2026 · score 52 · 4.0 km
- August 8, 2026 · score 66 · 4.4 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 79 % 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 | 79% |
| Coordinates | 40.6168, -73.7168 |
| Nearest City | Woodmere (2 km) |
| Population Exposed | 27.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-21T19:55:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fe91eac4583d920e8a5ac4777266000709366e60.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | New York Harbor; South Shore Bays from Jones Inlet through Shinnecock Bay; Fire Island Inlet NY to Moriches Inlet NY out 20 NM; Sandy Hook NJ to Fire Island Inlet NY out 20 NM |
| Headline | Special Marine Warning issued July 21 at 3:55PM EDT until July 21 at 5:00PM EDT by NWS Upton NY |
| Expires | 2026-07-21T17:00:00-04:00 |
| 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 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 Woodmere?
Calamity.live data shows a weather event with CalamityScore 46/100, near Woodmere (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.