Agency
NWS
Refresh cadence
every 5 min
Last successful sync
Pending first sync
Pipelines
nws_alerts_sync
Category
Weather
About this dataset
Common Alerting Protocol (CAP) feed of all active NWS alerts including aviation hazards. Alert geometries, severity, urgency and certainty fields, plus the SAME and NWS event codes, the issuing sender and office name, scope, language, and the upstream alert link. High-severity alert banners and AI weather context.
Where this feed reaches
- Continental United States
- Alaska
- Hawaii
- Puerto Rico and the US Virgin Islands
- Guam and the Northern Mariana Islands
- American Samoa
A region on this list means we fetch it. It is not a promise of station density: a listed region can still have sparse or no reporting sites near a given airport.
Where you'll see it in AeroCopilot
Upstream publisher
api.weather.gov/alerts/activeAeroCopilot is the canonical pipeline for this dataset inside the product. The link above goes to the upstream publisher for full documentation and data licensing.