Stormy Weather


How strong does a tornado have to be to be considered “significant”

Tornadoes that are EF2 or stronger are generally considered to be significant in scale. EF4 and EF5 tornadoes are considered “violent,” and rightly so!


This is a web preview of the "The Handy Weather Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App