This alert expired on 31 August 2026 at 23:00 UTC. It is kept here as a record.
It is the 19th strongest of the 61 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Special Marine Warning issued August 31 at 6:35PM EDT until August 31 at 7:00PM EDT by NWS Baltimore MD/Washington DC
An estimated 32,899 people live within 50 km of this point.
Nearby, since 17 March 2026
- August 31, 2026 · score 28 · 0.0 km
- June 17, 2026 · score 22 · 6.1 km
- March 21, 2026 · score 34 · 15.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100, at 80 % 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) | 28 / 100 |
| Our confidence | 80% |
| Coordinates | 38.0953, -76.0105 |
| Nearest City | Salisbury (46 km) |
| Population Exposed | 32.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-31T22:35:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.4ee5fa27b14b2c899b21b87625e4fa3d654d9e60.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Chesapeake Bay from Drum Point MD to Smith Point VA; Tangier Sound and the inland waters surrounding Bloodsworth Island |
| Headline | Special Marine Warning issued August 31 at 6:35PM EDT until August 31 at 7:00PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-08-31T19:00:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| 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 28/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.