This alert expired on 17 June 2026 at 10:15 UTC. It is kept here as a record.
It is the 16th strongest of the 56 detections recorded within 20 km of this point since 17 March 2026. 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 June 17 at 5:46AM EDT until June 17 at 6:15AM EDT by NWS Baltimore MD/Washington DC
Nearby, since 17 March 2026
- August 31, 2026 · score 28 · 6.1 km
- March 21, 2026 · score 34 · 13.6 km
- June 15, 2026 · score 22 · 24.1 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 61 % 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 | 61% |
| Coordinates | 38.0867, -76.0795 |
| Nearest City | Salisbury (52 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-17T09:46:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1cc7353b8ef169990f7180b173ecf6cc16bef4f7.002.1 |
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 June 17 at 5:46AM EDT until June 17 at 6:15AM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-06-17T06:15:00-04:00 |
| 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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.