This alert expired on 27 August 2026 at 20:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 136 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Special Marine Warning issued August 27 at 3:00PM EDT until August 27 at 4:00PM EDT by NWS Mount Holly NJ
An estimated 26,066,436 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 6, 2026 · score 52 · 5.8 km
- July 3, 2026 · score 52 · 6.1 km
- July 6, 2026 · score 52 · 6.4 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 90 % 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 | 90% |
| Coordinates | 40.4350, -73.8612 |
| Nearest City | Brighton Beach (18 km) |
| Population Exposed | 26.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-27T19:00:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 NM; New York Harbor; South Shore Bays from Jones Inlet through Shinnecock Bay; Sandy Hook NJ to Fire Island Inlet NY out 20 NM |
| Headline | Special Marine Warning issued August 27 at 3:00PM EDT until August 27 at 4:00PM EDT by NWS Mount Holly NJ |
| Expires | 2026-08-27T16:00:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ce5a9c029135b1608a21feb25f97990ed859d9e5.001.1","noaa_urn:oid:2.49.0.1.840.0.99a0297e82aa0f1a27d4ddf257e97d8dfc34e190.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | Huguenot |
| Spc County | Richmond |
| Spc State | NY |
| Spc Comments | Tree down on Mosely Avenue. (OKX) |
| MergedSources | [{"id":"spc_wind_40.75_-74.21_1","source":"spc","severity":"medium","severityValue":45,"timestamp":1787836260000,"latitude":40.75,"longitude":-74.21},{"id":"spc_wind_40.54_-74.17_4","source":"spc","severity":"medium","severityValue":45,"timestamp":1787849100000,"latitude":40.54,"longitude":-74.17}] |
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 Brighton Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.