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CAR API/CAP

Build on the alerts CAR collects, or connect a receiver to them.

The CAR API provides JSON endpoints for alerts and announcements.

https://alerts.globaleas.org/api/v2

The CAP feed publishes active alerts as an IPAWS-compatible Atom feed. Receivers can check the update URL to see when the feed last changed.

https://alerts.globaleas.org/IPAWSOPEN_EAS_SERVICE/rest/feed
https://alerts.globaleas.org/IPAWSOPEN_EAS_SERVICE/rest/update
Open API reference
SMW sent by WJON/TV
expired 4 months ago 
The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties/areas: Tidal Potomac from Indian Head to Cobb Island,MD, Northwest Atlantic; at 5:35 PM on JUL 18, 2026 Effective until 6:35 PM. Message from KLWX/NWS.
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 073536 7/18/2026 9:35:00 PM (UTC)
4 months ago		 7/18/2026 10:35:00 PM (UTC)
4 months ago		 WARNING