Fujita Scale

Category	Wind Speed	Typical Damage

F0	40 - 72 mph	Broken tree branches, antennas blown down

F1	73 - 112 mph	Mobile homes moved overturned or moved off foundation

F2	113 - 157 mph	Significant building damage, trees uprooted and knocked down, mobile homes and other light structures destroyed

F3	158 - 208 mph	Cars and trucks thrown about, building walls and roofs torn off

F4	207 - 260 mph	Little chance of anything in tornado path escaping destruction

F5	Over 260 mph	Entire homes lifted from foundation, cars thrown hundreds of feet