Live · official sources
Live alert map
Every serious official alert in the US, as it happens: NWS warnings, NHC hurricanes and USGS earthquakes. Tap a state to see what's happening there, then play its scene to see what to do.
Grid status CHECKINGLive alerts CHECKINGCoverage 50 STATES
50
Grid status · United States · live alerts
Alerts: NWS · NHC · USGS ↗
Live official alert
State with an alert
No serious alert
Tap a red alert or any state
See what to do · SoutheastWhen the grid goes down, the Simulator plays it out, then walks you through the steps.