This alert expired on 16 March 2026 at 20:45 UTC. It is kept here as a record.
It is the 3rd strongest of the 89 detections recorded within 20 km of this point since 12 March 2026. 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 3:47PM EDT until March 16 at 4:45PM EDT by NWS Wakefield VA
An estimated 1,594,880 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 17, 2026 · score 52 · 2.9 km
- July 6, 2026 · score 52 · 4.5 km
- March 12, 2026 · score 52 · 9.2 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 83 % 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 | 83% |
| Coordinates | 37.0657, -76.0871 |
| Nearest City | East Hampton (22 km) |
| Population Exposed | 1.6M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T19:47:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | 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 |
| Headline | Special Marine Warning issued March 16 at 3:47PM EDT until March 16 at 4:45PM EDT by NWS Wakefield VA |
| Expires | 2026-03-16T16:45:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| Iem TypeSummary | M |
| Iem Magnitude | 41 |
| Iem Unit | MPH |
| Iem City | 1 WSW Cape Charles |
| Iem County | ANZ632 |
| Iem State | VA |
| Iem Wfo | AKQ |
| Iem Remark | 36 kt gust at Mesonet station XPLT Plantation Flats. |
| MergedSources | [{"id":"iem_M_37.260_-76.030_1773685020000","source":"iem","severity":"low","severityValue":25,"timestamp":1773685020000,"latitude":37.26,"longitude":-76.03}] |
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.