Fujita Tornado Damaga Scale

Fujita Tornado Damaga Scale

F0: Gale Tornado (40 - 72MPH)
Light Damage. Some damage to chimneys; breaks branches off trees, pushes over
shallow-rooted trees, damages sign boards.
F1: Moderate Tornado (73 - 112 MPH)
Moderate Damage. Lower limit is the beginning of hurricane-force winds.
Peels surface off roofs; mobile homes pushed over; moving autos pushed off roads.
F2: Significant Tornado (113 - 157 MPH)
Considerable damage. Roofs torn off frame houses; mobile homes demolished; boxcars
pushed over, large trees snapped or uprooted; light-object missiles generated.
F3: Severe Tornado (158 - 206 MPH)
Severe damage. Roofs and some walls torn off well-constructed homes; trains overturned;
most trees in forest uprooted; heavy cars lifted off the ground and thrown.
F4: Devastating Tornado (207 - 260 MPH)
Devastating damage. Well-constructed homes leveled; structures with weak foundations
blown off some distance; cars thrown and large missiles generated.
F5: Incredible Tornado (261 - 318 MPH)
Phenomenal damage. Strong frame homes disintegrate or lifted off foundations and carried
considerable distance; tress debarked.