F-0 The wind of this tornado is winds between 40-72 mph. Gale Tornado--Light Damage. Some damage to chimnys; break off branches; push over shallow rooted trees; damage street signs.
F-1 The wind of this tornado is winds between 73-112 mph. Moderate tornado--Moderate damage. Peels surface off of roofs; Mobile homes pushed of foundations or turned over; moving autos of the road; Attached garages destryed.
F-2 The wind of this tornado is winds between 113-157 mph. Significant tornado--considerable damage. roofs torn off frame of homes; mobile homes demolished; box cars pushed over; large trees snapped or uprooted;
F-3 The wind of this tornado is winds between 158-206 mph. Severe tornado-- heavy damage. Roofs and walls torn off of well constructed houses; trains over turned; most trees in fores uprooted.
F-4 The wind of this tornado is winds between 207-260 mph. Devsestating tornado. Well constructed houses leveled; structures with weak foundations blown to far distances; cars thrown and large missiles generated.
F-5 The wind of this tornado is winds between 261-318 mph. Incredible tornado. Strong framed houses lifted off foundations and carried considerable distances to disinagrate; automobiles flown like missiles through the air in access of 100 meters; trees debarked; steel renforced concrete structures damaged.
F-6 The wind of this tornado is winds between 319-379 mph. Inconvincable tornado. Missiles such as cars and refridarators would do secondary bad damage; and who would know what would happen when this monster hits. But I know one thing when it does it is going to push everyone of gaurd.
