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.

NWS feedSource freshLast successful check:

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
Success4321200
Success4321200
Success4250200
Success4211200
Success4291200
Success4261200
Success4231200
Success4311200
Success4221200
Success4181200
Success4231200
Success4121200
Success4111200
Success4201200
Success4181200
Success4081200
Success4141200
Success4091200
Success4031200
Success4041200

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