We've discussed May's deserved reputation for both violent tornadoes and large outbreaks. In Texas, two of its worst tornadoes of all time happened in the middle of May, each in one of the state's ...

On May 8, 1965, 60 years ago today, an F5 tornado tore through parts of southern South Dakota. Seven farm homes were demolished in eastern Tripp County. Miraculously, only one person was injured ...

Emily Pike found the answer. She says the strongest winds officially recorded in a tornado were 302 mph, during an F5 tornado that struck Bridge Creek and Moore, Oklahoma on May 3, 1999.

May 11 marks a solemn double milestone in Texas weather history: the state’s deadliest tornado and the strongest. Although they struck 17 years apart, both storms hit on May 11 and left lasting ...

They are measured through what's called the Fujita Scale. Through this, tornado severity is ranked from F1 to F5 (the "F" stands for Fujita), with F5 being the worst on the scale. An F5 is the ...