This alert expired on 12 March 2026 at 17:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 225 detections recorded within 20 km of this point since 12 March 2026.
What the source measured
NOAA reported: Special Marine Warning issued March 12 at 11:53AM EDT until March 12 at 1:15PM EDT by NWS Wakefield VA
An estimated 1,683,041 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 27, 2026 · score 52 · 2.2 km
- May 27, 2026 · score 52 · 7.2 km
- May 25, 2026 · score 52 · 8.0 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 78 % 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 | 78% |
| Coordinates | 37.0415, -76.1861 |
| Nearest City | East Hampton (13 km) |
| Population Exposed | 1.7M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-12T15:53:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Currituck Sound; Chesapeake Bay from New Point Comfort to Little Creek VA; Chesapeake Bay from Little Creek VA to Cape Henry VA including the Chesapeake Bay Bridge Tunnel; James River from Jamestown to the James River Bridge; James River from James River Bridge to Hampton Roads Bridge-Tunnel and 1 more areas |
| Headline | Special Marine Warning issued March 12 at 11:53AM EDT until March 12 at 1:15PM EDT by NWS Wakefield VA |
| Expires | 2026-03-12T13:15:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.af9d07a3fb6fd6298321d45150c4fa24fa4619f7.001.1","noaa_urn:oid:2.49.0.1.840.0.6a99691c8ddc946c0bcc058e9492802f793fd156.001.1","noaa_urn:oid:2.49.0.1.840.0.9becb4d8797efb82887fcaff58155835997ef0c6.001.1","noaa_urn:oid:2.49.0.1.840.0.e86c5aa23a2f52ac7dd606940ce15ed335797b42.001.1"] |
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.
Calamity.live data shows a weather event with CalamityScore 52/100, near East Hampton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.