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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
SVR sent by ERN/KLT
expired 4 hours ago 
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Chester, PA; New Castle, DE; at 12:34 PM on NOV 12, 2026 Effective until 1:19 PM. Message from KLT SAGE.
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 042029, 010003 11/12/2026 5:34:00 PM (UTC)
5 hours ago		 11/12/2026 6:19:00 PM (UTC)
4 hours ago		 WARNING