This alert expired on 16 March 2026 at 18:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 197 detections recorded within 20 km of this point since 16 March 2026.
What the source measured
NOAA reported: Special Marine Warning issued March 16 at 1:21PM EDT until March 16 at 2:00PM EDT by NWS Wakefield VA
An estimated 1,778,783 people live within 50 km of this point.
Nearby, since 16 March 2026
- June 19, 2026 · score 52 · 3.0 km
- July 22, 2026 · score 52 · 6.4 km
- May 25, 2026 · score 52 · 6.9 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.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 52 / 100 |
| Our confidence | 76% |
| Coordinates | 37.0775, -76.4535 |
| Nearest City | Hampton (11 km) |
| Population Exposed | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T17:21:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | 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 1:21PM EDT until March 16 at 2:00PM EDT by NWS Wakefield VA |
| Expires | 2026-03-16T14:00:00-04:00 |
| SenderName | NWS Wakefield VA |
| 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 52/100, near Hampton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.