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Tornadoes

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Tornadoes

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david archambaud
1

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Tornadoes ? Big shaped clouds that can through a community and leave a wake of . They can in seconds , change direction in a heartbeat and their can last a lifetime .
Exactly how and why tornadoes is still a bit of a mystery but an indication that one is forming is a wall .
Fast - moving roll air below into a horizontal vortex above opposing surface winds , similar to a tube . Warmed by the Sun , buoyant air near the ground begins to a section of the horizontal vortex into a vertical position . The vortex extends toward the . As it picks up anything in its path can be ripped apart or thrown in the air . Upper - level winds tilt the rotating called a mesocyclone . This allows a storm to keep as warm air is sucked into the storm away from the cool .
The vortex spins like a , sometimes up to miles per hour , and while some tornadoes move slowly , others can travel over the ground at speeds of 110 miles per hour .
The tornado ever recorded , the May 2013 El Reno tornado in Oklahoma was 2 . 6 miles across . That's wider across than Manhattan ! has allowed us to identify essential ingredients needed for to form in the US .

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uproot estimated lives levels average dangerous peak air 1989 continent deadliest recorded damage scientists pick Warm shelter cool collide dry power scale 60 Alley

moist typically from the Gulf of Mexico , air typically from Canada and air typically from the Rockies , when these air masses they create the perfect conditions for a tornado .
Nearly three - quarters of the world's tornadoes occur in the United States and the season is between May and June . A majority touch down in Tornado , a section of the central United States but tornadoes have been in all 50 states and on every except Antarctica .
Tornadoes are very and you should never underestimate their . The time between a tornado warning and a strike is at a mere 13 minutes , giving residents little time to seek . On average tornadoes killed people every year in the United States !
The tornado in history was not in the United States but a tornado that ripped through Bangladesh in , killing an estimated 1 , 300 people .
We measure the amount of to land and property using the EF , which ranks tornadoes on six different . From zero a heavy breeze that can crops to level five , enough wind to up a house . It's the desire to better understand them that sends into the field year after year in search of answers that can hopefully save while putting theirs at risk .