This alert expired on 7 August 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 208 recorded within 20 km of this point since 12 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 7 at 5:24PM EDT until August 7 at 7:00PM EDT by NWS Upton NY
An estimated 27,209,070 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 6, 2026 · score 52 · 2.5 km
- March 17, 2026 · score 52 · 3.4 km
- August 8, 2026 · score 52 · 6.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 66 out of 100, at 83 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 66 / 100 |
| Our confidence | 83% |
| Coordinates | 40.5034, -73.9150 |
| Nearest City | Brighton Beach (9 km) |
| Population Exposed | 27.2M within 50 km |
| Impact Tier | catastrophic |
| Timestamp | 2026-08-07T21:24:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.e7927a9899b1647f4986b8033d7c1a33 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Long Island Sound West of New Haven CT/Port Jefferson NY; New York Harbor; Sandy Hook NJ to Fire Island Inlet NY out 20 NM; Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 NM |
| Headline | Special Marine Warning issued August 7 at 5:24PM EDT until August 7 at 7:00PM EDT by NWS Upton NY |
| Expires | 2026-08-07T19:00:00-04:00 |
| SenderName | NWS Upton NY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e7927a9899b1647f4986b8033d7c1a33b490bae0.001.1","noaa_urn:oid:2.49.0.1.840.0.cbdc365434990f0576ca00bf2f49b65d6c80ab09.001.1"] |
| Ogimet StationId | 72530 |
| Ogimet WindSpeed | 84 |
| Ogimet WindUnit | knots |
| Ogimet Temperature | 27.8 |
| Ogimet TemperatureUnit | C |
| Ogimet RawSynop | 08,07,17,51,AAXX 07184 72530 32566 4//06 10278 20200 39934 40168 58004 91751 333 10283 20211 555 90718= |
| MergedSources | [{"id":"ogimet_72530_1786136266414","source":"ogimet","severity":"critical","severityValue":90,"timestamp":1786136266414,"latitude":40.8,"longitude":-74}] |
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 Brighton Beach?
Calamity.live data shows a weather event with CalamityScore 66/100, near Brighton Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.