Wind scales

Input

m/s
km/h
mi/h
kts

Output

Scale
BeaufortStorm (10)
FujitaF0
Enhanced FujitaEFU

Cyclones

see here for more info and here for the regions.
RegionCategory
Atlantic (I), Eastern (II) and Central Pacific (III)Tropical Storm
Western Pacific (IV)Severe tropical storm
North Indian (V)Severe Cyclonic Storm
South-West Indian (VI)Severe Tropical Storm
Australia and Fiji (VII - XIII)Category 2