This alert expired on 13 June 2026 at 00:45 UTC. It is kept here as a record.
No stronger detection stands among the 54 recorded within 20 km of this point since 12 March 2026 — 36 others scored the same. The last comparable one was on 12 June 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 12 at 8:11PM EDT until June 12 at 8:45PM EDT by NWS Upton NY
An estimated 5,188,869 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 12, 2026 · score 52 · 3.3 km
- March 17, 2026 · score 52 · 7.3 km
- June 12, 2026 · score 52 · 10.8 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 | 40.5627, -73.3018 |
| Nearest City | Lindenhurst (15 km) |
| Population Exposed | 5.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-13T00:11:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.6ff1ea8264ff03e153fc4595a7d1e5b3 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | 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 June 12 at 8:11PM EDT until June 12 at 8:45PM EDT by NWS Upton NY |
| Expires | 2026-06-12T20:45:00-04:00 |
| SenderName | NWS Upton NY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6ff1ea8264ff03e153fc4595a7d1e5b3bff04525.002.1","noaa_urn:oid:2.49.0.1.840.0.9498f0326ca33a0db2cd8aa19bd6a3eccef0dea5.001.1"] |
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 Lindenhurst?
Calamity.live data shows a weather event with CalamityScore 52/100, near Lindenhurst (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.