Monday, February 8, 2010

The Enhanced Fujita Scale

Here's a list of the various types of tornadoes one can find based on damage caused (the scale is called the enhanced Fujita scale)

F0- 72 mph winds. Some chimney damage, branches broken off trees, shallow-rooted trees pushed over, sign boards damaged.

F1- 73-112 mph winds. Surface peeled off roofs, mobile homes overturned, moving autos pushed off roads

F2- 113-157 mph winds. Roofs torn off frame houses, mobile homes demolished, boxcars pushed over, light objects become missiles.

F3- 158-206 mph- Roof/walls torn off well-constructed homes, trains overturned, most trees in forest uprooted.

F4- 207-260 mph- Well-constructed houses leveled, weak foundation structures blown away, cars thrown, large missiles generated.

F5- 261+ mph- Strong frame houses lifted/carried, car sized missiles thrown over 320 feet, trees debarked, steel-reinforced structures destroyed

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