THAT IS, A FULLY FORMED TORNADO. NOW, IN MEASURING TORNADO STRENGTH, WE USE THE ENHANCED FUJITA SCALE, OR THE EF SCALE THAT’S BEEN UPDATED. MAYBE SOME FOLKS MY AGE ARE A LITTLE OLDER.

The images coming out of Moore, Oklahoma serve as a powerful reminder of nature’s fury. That community experienced the ...

Hail as large as softballs and more than a dozen tornado reports highlighted the severe weather in Iowa and Nebraska Thursday evening.

University of Chicago meteorology professor Ted Fujita studied and mapped this tornado, which was key in the development of the scale that bears his name. Occasionally, the strongest tornadoes are ...

The National Weather Service reported that the tornado that hit northern Douglas and southeast Washington counties was an EF3 ...

Detective work by the National Weather Service has recently revealed that a tornado carved a rare ... Tornadoes Are Rated On The Enhanced Fujita Scale: Survey crews assign a rating from EF0 ...

It's been given the lowest preliminary rating on the Enhanced Fujita (EF) tornado intensity scale. (Bantry Seed Farms) Environment Canada is calling it a landspout tornado, usually caused by weak ...

Above: Damage from an F4 tornado that tore through ... including Tetusya “Ted” Fujita (University of Chicago), who co-developed the Fujita intensity scale with Allen Pearson.