Operational transparency

Sources and collection status

The live alert source is the National Weather Service API. Failed checks never turn existing alerts into ended alerts.

Primary data source

Provider
NOAA National Weather Service
Endpoint
https://api.weather.gov/alerts/active
Schedule
Every 5 minutes
Freshness states
Fresh through 10 minutes, delayed through 30 minutes, then unavailable

Recent automated checks

Collection history

CompletedResultPublished messagesFiltered diagnosticsHTTP/status
Success2211200
Success2291200
Success2221200
Success2181200
Success2241200
Success2251200
Success2251200
Failed00error
Success2271200
Success2241200
Failed00error
Success2251200
Success2241200
Success2331200
Success2301200
Success2281200
Success2331200
Success2341200
Success2351200
Success2431200

Diagnostic messages

Only CAP messages with status Actual, scope Public, and message type Alert, Update, or Cancel enter public lifecycles. Test, Exercise, System, and Draft records are counted for diagnostics but are not published.

Full lifecycle rules