However, only 0.05% of tornadoes are EF5, making them incredibly rare. On the Fujita scale, Enhanced Fujita scale, and International Fujita scale, F5, EF5, and IF5 tornadoes are the most dangerous ...

which rated tornadoes from F0 to F5, based on estimated wind speeds and observed damage. Then, in 2007, the weather service adopted the Enhanced Fujita scale, which better reflected actual storm ...