"It’s likely that several of these tornadoes would have been rated F5 using the legacy Fujita scale." Thus, the lack of EF5-rated tornadoes in the past decade is "less due to a weakening of ...

T​ornadoes in the U.S. typically increase sharply in spring.​ Unfortunately, a few of those can be violent tornadoes, particularly in the South. On March 3, 1966, 59 years ago today, an F5 tornado ...

Tornado classifications have evolved since the original Fujita (F scale) was developed in 1971. Under the original F scale, an F5 rating was given as follows: “Whole frame houses tossed off ...

The deadliest tornado in recorded U.S. history occurred 100 years ago. The Tri-State Tornado touched down in southeastern ...

Even by Plains standards, this was an unusually large, violent tornado outbreak so early in spring. One Kansas tornado was ...