Twister and its sequel, Twisters, both feature a variety of different tornadoes that all showcase the terrifying range of destructive power present in these fearsome events of inclement weather.

But what are EF5 tornadoes, and are they different from their F5 counterparts? Here are all the available details regarding the nomenclature of the chaotic natural phenomena. Simply put ...

Grazulis believes Worcester was probably an F5, although it is officially ranked as an F4 by SPC. In the early 1970s, Grazulis collected early tornado footage to create the world’s first ...

In this preview of "The Last F5", Robert Hadlock and Jim Spencer recount the first time they saw the F5 that moved through Jarrell, Texas. In this preview of "The Last F5", Robert Hadlock and Jim ...