Caught in the Storm tells the story of a deadly EF5 tornado in Joplin, Missouri, and here's why storms are classified this ...
A recent study explores the puzzling decline in EF5 tornadoes, contributing it to more strict criteria in the Enhanced Fujita scale introduced in 2007. Canada reconsidering multi-billion dollar ...
Out of all those tornadoes, only 60 (0.085 percent) have ever been rated an F5 or EF-5. 59 of those tornadoes touched down in the U.S., with Canada's sole F5 twister hitting Elie, Manitoba, on June 22 ...