This alert expired on 27 May 2026 at 20:30 UTC. It is kept here as a record.
No stronger detection stands among the 74 recorded within 20 km of this point since 16 March 2026 — 63 others scored the same. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 27 at 3:13PM EDT until May 27 at 4:30PM EDT by NWS Wakefield VA
Nearby, since 16 March 2026
- June 13, 2026 · score 22 · 5.7 km
- July 21, 2026 · score 16 · 18.4 km
- June 15, 2026 · score 22 · 20.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 59 % 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) | 22 / 100 |
| Our confidence | 59% |
| Coordinates | 37.8068, -76.1423 |
| Nearest City | Salisbury (78 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-27T19:13:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.ac02b212b6019a7630965fc51b597b19 |
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; Rappahannock River from Urbanna to Windmill Point; Chesapeake Bay from Drum Point MD to Smith Point VA; Tidal Potomac from Cobb Island MD to Smith Point VA; Tangier Sound and the inland waters surrounding Bloodsworth Island; Chesapeake Bay from Smith Point to Windmill Point VA |
| Headline | Special Marine Warning issued May 27 at 3:13PM EDT until May 27 at 4:30PM EDT by NWS Wakefield VA |
| Expires | 2026-05-27T16:30:00-04:00 |
| SenderName | NWS Wakefield VA |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ac02b212b6019a7630965fc51b597b192a4a449c.001.1","noaa_urn:oid:2.49.0.1.840.0.ded32f3fde5a21be97b60f0968cf2f942f281609.002.1","noaa_urn:oid:2.49.0.1.840.0.7cbeaf0179bbf340fa90df2ba6e235ba8f94ef98.001.1"] |
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.