What Is a Tornado Emergency?

Why forecasters use the phrase

A regular tornado warning already means to shelter. Forecasters add emergency wording when credible evidence points to an especially dangerous tornado affecting a populated place. Evidence may include spotter confirmation, a strong radar signature, and a debris signature.

The phrase is deliberately reserved for exceptional situations so that it communicates urgency beyond routine warning language.

What it does not mean

It does not create a new rating for the tornado. EF ratings come later from damage surveys, and radar wind measurements do not by themselves assign an EF rating.

It also does not mean people outside the emergency wording can ignore nearby warnings. Anyone inside any tornado warning polygon should be sheltered.

What to do

Use the best shelter available now: an engineered safe room or storm shelter first, then a basement, then a small windowless interior room on the lowest floor of a sturdy building. Protect your head and neck.

Do not drive into the warned path to reach a distant shelter after the emergency is issued. If you live in a mobile home, your plan should identify a sturdy nearby shelter you can reach before storms arrive.

Frequently asked questions

Is every violent tornado a tornado emergency?

No. The wording depends on real-time evidence, expected impact, and exposure. Some violent tornadoes occur without emergency wording.

Who issues it?

The local National Weather Service forecast office includes the enhanced wording in its tornado warning.

Should I wait for emergency wording?

No. Shelter for every tornado warning that includes your location.