What are some ratings for a tornado?

Answer 1

There are six ratings a tornado could receive.

• EF0 (65-85 mph): Peeled shingles,broken tree limbs, some downed trees.
• EF1 (86-110 mph): Severe roof damage to houses, trailers badly damaged or overturned, windows broken
• EF2 (111-135 mph): Roofs torn from well built houses, trailers completely demolished
• EF3: (136-165 mph): Numerous walls collapse or are torn away from well built houses
• EF4: (166-200 mph): Well built houses completely leveled, trees debarked, asphalt peeled from roads
• EF5: (over 200 mph): Well built houses wiped clean of foundations, topsoil scoured.
  

Answer 2

Tornadoes are rated on the Enhanced Fujita scale, which provides standards for using the severity of damage to estimate wind speed.