Description

The Fujita-Pearson scale is used to describe the intensity of a tornado and can be used to predict damage.


 

Wind Speed

in miles per hour

F Scale Number

Intensity Phrase

40 - 72

F0

gale tornado

73 - 112

F1

moderate tornado

113 - 157

F2

significant tornado

158 - 206

F3

severe tornado

207 - 260

F4

devastating tornado

261 - 318

F5

incredible tornado

>= 319

F6

inconceivable tornado

 

 

F Scale Number

Buildings

Cars

Other

F0

minor roof and chimney damage

damage from falling limbs

limb damage to trees; shallow rooted trees toppled; damage to sign boards

F1

roof damage, weak buildings torn apart

thrown from road

mobile homes flipped or pushed off foundations

F2

strongly built buildings unroofed

 

mobile homes destroyed, trees uprooted

F3

damage to outer walls of strongly built buildings

lifted off ground

trains overturned

F4

strongly built buildings leveled

thrown through air

missiles

F5

strongly built homes lifted off foundations and carried some distance

missile

large missiles, trees debarked

 


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