Add Yahoo as a preferred source to see more of our stories on Google. Severe thunderstorm and even tornado outbreaks can happen in December, even as most thoughts are about snow and cold. On Dec. 18, ...

Explain the Fujita scale, as it relates to death and destruction in these recent storms. -- O.S., Tulsa. Fujita scale. This tornado-classification scale was devised by Tetsuya Theodore Fujita ...

“They call F5 tornadoes the ‘finger of God.’ Few have stared one in the face and survived,” said the late Bill Paxton’s character in the movie “Twister.” The “finger of God” nickname originated after ...

We haven't seen much severe weather recently in the U.S., but the country hasn't been nearly that fortunate in past Augusts. On Aug. 28, 1990, 35 years ago today, an F5 tornado raked through two ...

Severe thunderstorm and even tornado outbreaks can happen in December, even as most thoughts are about snow and cold. On Dec. 18, 1957, 68 years ago today, an outbreak of strong tornadoes tore through ...