<Table> <Tr> <Td> Scale </Td> <Td colspan="2"> Wind speed estimate </Td> <Td> Path width </Td> <Td colspan="2"> Potential damage </Td> </Tr> <Tr> <Td> mph </Td> <Td> km / h </Td> </Tr> <Tr> <Td> F0 </Td> <Td> 40 -- 72 </Td> <Td> 64 -- 116 </Td> <Td> 6 -- 17 yards ( 5.5 -- 15.5 m ) </Td> <Td> Light damage . <P> Some damage to chimneys ; branches broken off trees ; shallow - rooted trees pushed over ; sign boards damaged . </P> </Td> <Td> </Td> </Tr> <Tr> <Td> F1 </Td> <Td> 73 -- 112 </Td> <Td> 117 -- 180 </Td> <Td> 18 -- 55 yards ( 16 -- 50 m ) </Td> <Td> Moderate damage . <P> The lower limit is the beginning of hurricane wind speed ; peels surface off roofs ; mobile homes pushed off foundations or overturned ; moving vehicles pushed off the roads ; attached garages may be destroyed . </P> </Td> <Td> </Td> </Tr> <Tr> <Td> F2 </Td> <Td> 113 -- 157 </Td> <Td> 181 -- 253 </Td> <Td> 56 -- 175 yards ( 51 -- 160 m ) </Td> <Td> Significant damage . <P> Roofs torn off frame houses ; mobile homes demolished ; boxcars overturned ; large trees snapped or uprooted ; highrise windows broken and blown in ; light - object missiles generated . </P> </Td> <Td> </Td> </Tr> <Tr> <Td> F3 </Td> <Td> 158 -- 206 </Td> <Td> 254 -- 332 </Td> <Td> 176 -- 566 yards ( 161 -- 518 m ) </Td> <Td> Severe damage . <P> Roofs and some walls torn off well - constructed houses ; trains overturned ; most trees in forest uprooted ; heavy cars lifted off the ground and thrown . </P> </Td> <Td> </Td> </Tr> <Tr> <Td> F4 </Td> <Td> 207 -- 260 </Td> <Td> 333 -- 418 </Td> <Td> 0.3 -- 0.9 miles ( 0.48 -- 1.45 km ) </Td> <Td> Devastating damage . <P> Well - constructed houses leveled ; structures with weak foundations blown away some distance ; cars thrown and large missiles generated . </P> </Td> <Td> </Td> </Tr> <Tr> <Td> F5 </Td> <Td> 261 -- 318 </Td> <Td> 419 -- 512 </Td> <Td> 1.0 -- 3.1 miles ( 1.6 -- 5.0 km ) </Td> <Td> Incredible damage . <P> Strong frame houses lifted off foundations and carried considerable distances to disintegrate ; automobile sized missiles fly through the air farther than 100 meters ( 110 yards ) ; trees debarked ; steel reinforced concrete structures badly damaged and skyscrapers toppled </P> </Td> <Td> </Td> </Tr> </Table>
<Table> <Tr> <Td> Scale </Td> <Td colspan="2"> Wind speed estimate </Td> <Td> Path width </Td> <Td colspan="2"> Potential damage </Td> </Tr> <Tr> <Td> mph </Td> <Td> km / h </Td> </Tr> <Tr> <Td> F0 </Td> <Td> 40 -- 72 </Td> <Td> 64 -- 116 </Td> <Td> 6 -- 17 yards ( 5.5 -- 15.5 m ) </Td> <Td> Light damage . <P> Some damage to chimneys ; branches broken off trees ; shallow - rooted trees pushed over ; sign boards damaged . </P> </Td> <Td> </Td> </Tr> <Tr> <Td> F1 </Td> <Td> 73 -- 112 </Td> <Td> 117 -- 180 </Td> <Td> 18 -- 55 yards ( 16 -- 50 m ) </Td> <Td> Moderate damage . <P> The lower limit is the beginning of hurricane wind speed ; peels surface off roofs ; mobile homes pushed off foundations or overturned ; moving vehicles pushed off the roads ; attached garages may be destroyed . </P> </Td> <Td> </Td> </Tr> <Tr> <Td> F2 </Td> <Td> 113 -- 157 </Td> <Td> 181 -- 253 </Td> <Td> 56 -- 175 yards ( 51 -- 160 m ) </Td> <Td> Significant damage . <P> Roofs torn off frame houses ; mobile homes demolished ; boxcars overturned ; large trees snapped or uprooted ; highrise windows broken and blown in ; light - object missiles generated . </P> </Td> <Td> </Td> </Tr> <Tr> <Td> F3 </Td> <Td> 158 -- 206 </Td> <Td> 254 -- 332 </Td> <Td> 176 -- 566 yards ( 161 -- 518 m ) </Td> <Td> Severe damage . <P> Roofs and some walls torn off well - constructed houses ; trains overturned ; most trees in forest uprooted ; heavy cars lifted off the ground and thrown . </P> </Td> <Td> </Td> </Tr> <Tr> <Td> F4 </Td> <Td> 207 -- 260 </Td> <Td> 333 -- 418 </Td> <Td> 0.3 -- 0.9 miles ( 0.48 -- 1.45 km ) </Td> <Td> Devastating damage . <P> Well - constructed houses leveled ; structures with weak foundations blown away some distance ; cars thrown and large missiles generated . </P> </Td> <Td> </Td> </Tr> <Tr> <Td> F5 </Td> <Td> 261 -- 318 </Td> <Td> 419 -- 512 </Td> <Td> 1.0 -- 3.1 miles ( 1.6 -- 5.0 km ) </Td> <Td> Incredible damage . <P> Strong frame houses lifted off foundations and carried considerable distances to disintegrate ; automobile sized missiles fly through the air farther than 100 meters ( 110 yards ) ; trees debarked ; steel reinforced concrete structures badly damaged and skyscrapers toppled </P> </Td> <Td> </Td> </Tr> </Table>
what is the wind speed of f1 tornado
what is the wind speed of f1 tornado
73 -- 112
73 -- 112