This alert expired on 18 July 2026 at 18:00 UTC. It is kept here as a record.
It is the 7th strongest of the 326 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 15 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 18 at 1:49PM EDT until July 18 at 2:00PM EDT by NWS Upton NY
An estimated 26,808,395 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 27, 2026 · score 52 · 3.0 km
- August 28, 2026 · score 46 · 3.5 km
- May 20, 2026 · score 52 · 4.1 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 80 % 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) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 40.5082, -74.1724 |
| Nearest City | Woodrow (4 km) |
| Population Exposed | 26.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-18T17:49:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.150182024198f0165042b2ac0a9622da5df41fbf.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | New York Harbor |
| Headline | Special Marine Warning issued July 18 at 1:49PM EDT until July 18 at 2:00PM EDT by NWS Upton NY |
| Expires | 2026-07-18T14:00:00-04:00 |
| 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 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 52/100, near Woodrow (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.