This alert expired on 15 June 2026 at 01:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 53 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 12 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 14 at 7:26PM EDT until June 14 at 9:00PM EDT by NWS Baltimore MD/Washington DC
Nearby, since 17 March 2026
- June 23, 2026 · score 22 · 6.1 km
- July 8, 2026 · score 22 · 10.9 km
- July 6, 2026 · score 22 · 16.9 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 60 % 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 | 60% |
| Coordinates | 38.0222, -76.6383 |
| Nearest City | Saint Charles (69 km) |
| Impact Tier | minor |
| Date | 2026-06-14 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.423490d29a983fb92c499a7576f13bfd |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Tidal Potomac from Key Bridge to Indian Head MD; Tidal Potomac from Indian Head to Cobb Island MD; Chesapeake Bay from Drum Point MD to Smith Point VA; Tidal Potomac from Indian Head to Cobb Island MD; Tidal Potomac from Cobb Island MD to Smith Point VA; Chesapeake Bay from Smith Point to Windmill Point VA; 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 and 3 more areas |
| Headline | Special Marine Warning issued June 14 at 7:26PM EDT until June 14 at 9:00PM EDT by NWS Baltimore MD/Washington DC |
| Expires | 2026-06-14T21:00:00-04:00 |
| SenderName | NWS Baltimore MD/Washington DC |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.423490d29a983fb92c499a7576f13bfd5e4021cc.001.1","noaa_urn:oid:2.49.0.1.840.0.38d0547d21683f69e329c4bab467155c2594b75f.001.1","noaa_urn:oid:2.49.0.1.840.0.24300cf9384a1ef48ed1631e5fa5a823518ea740.001.1","noaa_urn:oid:2.49.0.1.840.0.8af94f52b45aa32aea58681c16e03b0c1eaf732e.001.1","noaa_urn:oid:2.49.0.1.840.0.68adf43aa2c0a574119e655d3a9b1e4f9940cb91.001.1","noaa_urn:oid:2.49.0.1.840.0.3171798affb37dc06995be36781cc2ff46c7191b.001.1","noaa_urn:oid:2.49.0.1.840.0.425a811a90cf41e75e3f945c738d4edfcbb857fb.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.