When a tornado tears through an area, the main question after the fact is, “How strong was it?” That’s where the Enhanced ...

Once they estimate the wind speed that could’ve caused the damage, using ground reports and Doppler radar data, they can then establish an Enhanced Fujita scale rating for that tornado.

Texas sees an average of 135 tornadoes each year, the most of any U.S. state. Here's a look at the worst ones in the Lone ...

Less than three weeks after a major outbreak, another rash of tornadoes tore across parts of the South and Midwest in early ...

A relatively weak tornado produced a record-breaking and more-than-mile-wide swath of damage in Iowa. Here's how that stacks ...

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

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 National Weather Service’s Fort Worth office has confirmed at least 10 tornadoes touched down in North Texas on April 19.

The National Weather Service confirmed a weak tornado caused damage to a neighborhood on the northwest edge of town on Sunday ...

The National Weather Service confirms a second tornado touched down in an April 17 Iowa outbreak and says the first was ...

Two of the tornadoes — both rated as an EF0 on the Enhanced Fujita Scale — touched down in Butler County. One of the tornadoes landed just north of the city of New Miami, while the other tornado ...