Right now
The most recent data we hold from NOAA arrived 5 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 16 March 2026 at 20:45 UTC. It is kept here as a record.
No stronger detection stands among the 55 recorded within 20 km of this point since 16 March 2026 — 24 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued March 16 at 3:57PM EDT until March 16 at 4:45PM EDT by NWS Wakefield VA
An estimated 1,260,402 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 27, 2026 · score 52 · 5.3 km
- June 13, 2026 · score 48 · 6.0 km
- July 19, 2026 · score 52 · 8.5 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.
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 | 83% |
| Coordinates | 37.1868, -75.9427 |
| Nearest City | Virginia Beach (38 km) |
| Population Exposed | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T19:57:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.8db1a0681411c4546a23be25c756e099 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Chesapeake Bay from Smith Point to Windmill Point VA; Chesapeake Bay from Windmill Point to New Point Comfort VA; Currituck Sound; Coastal Waters from Cape Charles Light to Virginia-North Carolina border out to 20 nm; Coastal waters from NC VA border to Currituck Beach Light NC out 20 nm; 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 and 2 more areas |
| Headline | Special Marine Warning issued March 16 at 3:57PM 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 |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8db1a0681411c4546a23be25c756e099c1239b97.001.1","noaa_urn:oid:2.49.0.1.840.0.61840b2b4493acc03b33a895a85d6c2d82ecef1e.001.1","noaa_urn:oid:2.49.0.1.840.0.9cef4c47db1f6901cf3bc0b24941f59b553fac04.001.1","noaa_urn:oid:2.49.0.1.840.0.80f7a014c8b26093c7249762dacbc1f5e12544a9.001.1","noaa_urn:oid:2.49.0.1.840.0.d9832fbe23353a0670d21b3301661ef215e30814.001.1"] |
| 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 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 in this area?
Calamity.live data shows a weather event with CalamityScore 52/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.