This alert expired on 27 August 2026 at 19:15 UTC. It is kept here as a record.
It is the 4th strongest of the 315 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 27 at 3:00PM EDT until August 27 at 3:15PM EDT by NWS Upton NY
An estimated 27,382,311 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 4, 2026 · score 52 · 2.7 km
- September 1, 2026 · score 46 · 3.2 km
- June 22, 2026 · score 52 · 4.7 km
How we know
Confirmed by 26 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.
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) | 52 / 100 |
| Our confidence | 90% |
| Coordinates | 40.5321, -73.9957 |
| Nearest City | Coney Island (5 km) |
| Population Exposed | 27.4M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-27T19:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.2f24a4f794c3315d50c4a1c5c4878f19 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Fairfield, CT; New Haven, CT; Monmouth, NJ; Burlington, NJ; Ocean, NJ |
| Headline | Severe Thunderstorm Warning issued August 27 at 3:00PM EDT until August 27 at 3:15PM EDT by NWS Upton NY |
| Expires | 2026-08-27T15:15:00-04:00 |
| SenderName | NWS Upton NY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2f24a4f794c3315d50c4a1c5c4878f194f17944c.001.1","noaa_urn:oid:2.49.0.1.840.0.917bc92114ad34cd3b65654f27310974d2781fd1.001.1","noaa_urn:oid:2.49.0.1.840.0.54da436fd40c93d4b53bd38015c4ae14788f7353.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | Huguenot |
| Spc County | Richmond |
| Spc State | NY |
| Spc Comments | Tree down on Mosely Avenue. (OKX) |
| Iem TypeSummary | R |
| Iem Magnitude | 2.46 |
| Iem Unit | Inch |
| Iem City | 2 ENE Spotswood |
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 Coney Island?
Calamity.live data shows a weather event with CalamityScore 52/100, near Coney Island (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.