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The Fujita scale is a scale to measure and categorize the intensity of a tornado. It was created and introduced by Tetsuya Fujita in 1971 to the University of Chicago. Two years later it was updated to include more variables and eventually became of use the standard scale for tornado classification.

The Fujita scale was officially replaced by the United States with the Enhanced fujita scale in February 2007, although the Fujita scale is still used in some places.

Fujita Scaling

This table is only recognizing the first five levels due to the others being a high improbability.

Scale Estimated wind speed Potential damage
mph km/h
F1 73–112 117–180 An F1 tornado can tear apart roofs. Overturn mobile homes and badly damage them. Push moving vehicles off the roads. Blow away exterior doors. And shatter windows.
F2 113–157 181–253 An F2 tornado can rip roofs off of entire homes, mobile homes are demolished, cars pushed over, large trees snapped or uprooted if they're smaller, and larger building windows are shattered It can push over railroad boxcars and truck hauls.
F3 158–206 254–332 An F3 can tear roofs right off of the house, along with moving trains while overturning the trains, uprooting the strongest trees, and cars are lifted up and thrown around. It can also flatten weaker houses. It also leaves behind severe damage to large buildings like shopping malls.
F4 207–260 333–418 An F4 tornado can completely level well-constructed houses and structures with weaker foundations that are blown away, and cars are picked up off of the ground and can be thrown a distance away.
F5 260+ 418+ An F5 tornado is the strongest tornado of all. It can lift homes from foundations and blow them away. It Causes damage to concrete buildings. It Deforms or destroys high rise buildings. And it also throws cars and trains far distances.
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