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Official NWS ↗

Official NOAA severe-weather information

Severe storms & tornadoes

See where dangerous storms may develop, understand watches and warnings, and know where to find official safety instructions.

Live official NOAA outlook

Storm Prediction Center risk maps

View the latest national severe-storm, tornado, damaging-wind, and large-hail outlooks directly from the NOAA Storm Prediction Center.

Checking the official Storm Prediction Center outlook…
Official SPC outlooks ↗Current severe watches ↗Today's storm reports ↗

An outlook shows where severe weather may develop; it is not a warning. Follow local NWS warnings and emergency instructions.

Know the difference

Watch, warning, and emergency

WATCH

Be prepared

Tornadoes or severe storms are possible in and near the watch area. Review your plan and be ready to act.

WARNING

Take action

Dangerous weather is occurring or indicated by radar. Follow the warning and move to safe shelter immediately.

TORNADO EMERGENCY

Seek shelter now

This is the highest tornado alert level. A violent tornado presents a catastrophic threat to life and property.

Read the official NWS alert guide ↗

Tornado safety

Choose your safe place before a warning

The National Weather Service recommends a basement, safe room, or small interior room on the lowest floor of a sturdy building, away from windows.

Complete NWS tornado safety ↗What to do during a tornado ↗Open your local alerts →

MyUSA.us checks alerts while the site is open but does not send background tornado alerts. Keep Wireless Emergency Alerts enabled and follow local warning systems.