When Do Tornado Sirens Go off?

The tornado sirens are activated with a signal from the NWS that indicates a tornado has been spotted or is strongly indicated on a Doppler radar and/or strong, damaging winds of 70 mph or greater are present. The alert goes off in the specific cities or towns that will be affected, not throughout the entire county.

When a tornado siren goes off what does that mean?

In short, it means that something life-threatening is happening and you should go indoors and get more information. The specific guidelines (tornado, hail ,wind, etc.)

How much time do you have after a tornado siren?

How much advance warning can forecasters give us before a tornado strikes? The current average lead-time for tornado warnings is 13 minutes. NOAA Research is working to increase tornado warning lead-times much further.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.