Join Meteorologist Casey Dorn as he explains how the Enhanced Fujita (EF) Scale helps assess tornado intensity based on damage. Learn about the wind speeds needed to cause destruction and why ...

Tornadoes are categorized on what is called the Enhanced Fujita Scale or EF Scale. This became operational on February 1, 2007.

The Plevna tornado reached nearly a mile wide at its strongest point — the largest in Kansas since 2019 ... Damage, not size, determines EF scale. Kate Devine. Kate Devine. Multimedia Journalist ...

Twenty-nine years ago today an F-4 tornado crossed through our communities causing more than $100,000,000 in damage. ... We started using the Enhanced F scale (or EF scale) ...

Of the 9,890 tornadoes reported between 1950 and 2024, 77% were rated EF0 or EF1, the two lowest levels on the Enhanced Fujita Scale. (Before 2007, the Fujita Scale, or F scale, was used.) ...

Tornadoes are categorized on what is called the Enhanced Fujita Scale or EF Scale. This became operational on February 1, 2007. The strength of a tornado has nothing to do with the size of it.