This alert expired on 15 June 2026 at 04:00 UTC. It is kept here as a record.
It is the 33rd strongest of the 168 detections recorded within 20 km of this point since 11 March 2026. The last comparable one was on 12 June 2026. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 14 at 9:53PM EDT until June 15 at 12:00AM EDT by NWS Mount Holly NJ
An estimated 889,285 people live within 50 km of this point.
Nearby, since 11 March 2026
- June 18, 2026 · score 48 · 2.0 km
- June 6, 2026 · score 48 · 3.0 km
- July 5, 2026 · score 48 · 3.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 out of 100, at 81 % 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) | 48 / 100 |
| Our confidence | 81% |
| Coordinates | 39.5479, -75.4557 |
| Nearest City | Bear (20 km) |
| Population Exposed | 889.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-15T01:53:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.42afe6dd946c95045918857f492d909ae5a13a42.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Delaware Bay waters north of East Point NJ to Slaughter Beach DE |
| Headline | Special Marine Warning issued June 14 at 9:53PM EDT until June 15 at 12:00AM EDT by NWS Mount Holly NJ |
| Expires | 2026-06-15T00:00:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
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 48/100, near Bear (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.