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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
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expired 3 months ago 
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties/areas: Prince George's; Charles; St. Mary's; Calvert, MD; at 5:29 PM on AUG 10, 2026 Effective until 6:29 PM. Message from KLWX/NWS.
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 024033, 024017, 024037, 024009 8/10/2026 9:29:00 PM (UTC)
3 months ago		 8/10/2026 10:29:00 PM (UTC)
3 months ago		 WARNING