This alert expired on 23 June 2026 at 20:15 UTC. It is kept here as a record.
It is the 5th strongest of the 69 detections recorded within 20 km of this point since 12 March 2026. 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 June 23 at 3:28PM EDT until June 23 at 4:15PM EDT by NWS Wakefield VA
An estimated 1,781,719 people live within 50 km of this point.
Nearby, since 12 March 2026
- August 11, 2026 · score 52 · 6.1 km
- August 28, 2026 · score 46 · 7.7 km
- March 16, 2026 · score 52 · 9.1 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 | 36.6517, -76.1021 |
| Nearest City | Chesapeake (24 km) |
| Population Exposed | 1.8M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-23T19:28:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.2881e12198b4a8de6b7580a2059b9851 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Parramore Island to Cape Charles Light VA out 20 NM; Coastal Waters from Cape Charles Light to Virginia-North Carolina border out 20 NM; Albemarle Sound |
| Headline | Special Marine Warning issued June 23 at 3:28PM EDT until June 23 at 4:15PM EDT by NWS Wakefield VA |
| Expires | 2026-06-23T16:15:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2881e12198b4a8de6b7580a2059b9851f3d52151.001.1","noaa_urn:oid:2.49.0.1.840.0.3219ddccd6c33024bd9dedbf7b1fad6688048ffb.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 Chesapeake (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.