This alert expired on 22 June 2026 at 21:30 UTC. It is kept here as a record.
It is the 4th strongest of the 193 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 22 at 4:06PM EDT until June 22 at 5:30PM EDT by NWS Mount Holly NJ
An estimated 26,589,513 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 17, 2026 · score 52 · 2.4 km
- August 8, 2026 · score 52 · 2.7 km
- July 3, 2026 · score 52 · 3.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 82 % 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 | 82% |
| Coordinates | 40.4520, -73.9845 |
| Nearest City | Middletown (13 km) |
| Population Exposed | 26.6M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-22T20:06:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.c07c5ab161c5ec44b7a3334c9154ed97 |
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; Sandy Hook NJ to Fire Island Inlet NY out 20 NM |
| Headline | Special Marine Warning issued June 22 at 4:06PM EDT until June 22 at 5:30PM EDT by NWS Mount Holly NJ |
| Expires | 2026-06-22T17:30:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c07c5ab161c5ec44b7a3334c9154ed975d507f42.002.1","noaa_urn:oid:2.49.0.1.840.0.d9d4244e8e3026f3870fde054ac6d7e0beabfa35.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 45 |
| Iem Unit | MPH |
| Iem City | 3 NW Bridgewater |
| Iem County | Somerset |
| Iem State | NJ |
| Iem Wfo | PHI |
| Iem Remark | ASOS station KSMQ Somerville. |
| MergedSources | [{"id":"iem_G_40.620_-74.670_1782153780000","source":"iem","severity":"low","severityValue":25,"timestamp":1782153780000,"latitude":40.62,"longitude":-74.67}] |
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 Middletown?
Calamity.live data shows a weather event with CalamityScore 52/100, near Middletown (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.