Question: what is a category 5 tornado?
Answer: F5 tornadoes were estimated to have had maximum winds between 261 mph (420 km/h) and 318 mph (512 km/h). ... With building design and structural integrity taken more into account, winds in an EF5 tornado were estimated to be in excess of 200 mph (320 km/h). The Enhanced Fujita scale is used predominantly in North America.