How are tornadoes calculated?

What does the F stand for in F5 tornado?

The Fujita (F) Scale was originally developed by Dr. Tetsuya Theodore Fujita to estimate tornado wind speeds based on damage left behind by a tornado.

Is a F6 tornado possible?

There is no such thing as an F6 tornado, even though Ted Fujita plotted out F6-level winds. The Fujita scale, as used for rating tornados, only goes up to F5. Even if a tornado had F6-level winds, near ground level, which is *very* unlikely, if not impossible, it would only be rated F5.

Is there a ef6 tornado?

In reality, there is no such thing as an F6 tornado. When Dr. Fujita developed the F scale, he created a scale that ranges from F0 to F12, with estimated F12 winds up to mach 1 (the speed of sound).

What is a category 0 tornado?

The Fujita Scale

F Scale Character Estimated winds
Zero (F0) Weak 40-72 mph
One (F1) Weak 73-112 mph
Two (F2) Strong 113-157 mph
Three (F3) Strong 158-206 mph

What is a F3 tornado?

(F3) Severe tornado (158-206 mph)

Severe damage. Roofs and some walls torn off well-constructed houses; trains overturned; most trees in forest uprooted; heavy cars lifted off the ground. and thrown.

What is a Category 1 tornado?

F1 Category Tornado

Moderate Tornado. Moderate damage: Peels surfaces off roofs; mobile homes pushed off foundations or overturned; outbuildings demolished; moving autos pushed off the roads; trees snapped or broken.

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What percentage of tornadoes are below F3?


Scale Wind speed estimate Frequency
F0 40–72 44.14%
F1 73–112 34.24%
F2 113–157 16.17%
F3 158–206 4.35%