This alert expired on 16 March 2026 at 18:45 UTC. It is kept here as a record.
No stronger detection stands among the 162 recorded within 20 km of this point since 12 March 2026 — 109 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued March 16 at 1:47PM EDT until March 16 at 2:45PM EDT by NWS Wakefield VA
An estimated 1,609,932 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 28, 2026 · score 52 · 8.1 km
- June 19, 2026 · score 52 · 8.5 km
- August 10, 2026 · score 52 · 9.4 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 76 % 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 | 76% |
| Coordinates | 37.1516, -76.3675 |
| Nearest City | East Hampton (13 km) |
| Population Exposed | 1.6M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T17:47:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.6a9b52498deaad31fb422d11e0d58870 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Chesapeake Bay from Windmill Point to New Point Comfort VA; Chesapeake Bay from New Point Comfort to Little Creek VA; York River; James River from Jamestown to the James River Bridge; James River from James River Bridge to Hampton Roads Bridge-Tunnel |
| Headline | Special Marine Warning issued March 16 at 1:47PM EDT until March 16 at 2:45PM EDT by NWS Wakefield VA |
| Expires | 2026-03-16T14:45:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.6a9b52498deaad31fb422d11e0d588706275887d.001.1","noaa_urn:oid:2.49.0.1.840.0.68f5ca3af446f2430491598ad8d1405c6dc131e5.001.1"] |
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 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 East Hampton?
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 185 scientific monitoring sources.