Official agency
Updates ~10 min
NOAA — National Weather Service (NWS)
Active Alerts API
Open the official site (opens in a new tab)What this source provides
Severe and extreme weather warnings in the United States: tornado, flood, storm, extreme heat.
Technical detail
- Official website
- www.weather.gov/
- Endpoint read
- api.weather.gov/alerts/active
- Update cadence
- ~10 min
Common questions
Is WorldPulse affiliated with NOAA?
No. WorldPulse is an independent application and is not affiliated with, endorsed by, or representing NOAA. It reads the publicly available feed described on this page and links every event back to the original source.
How often does WorldPulse read NOAA data?
Approximately every 10 min.