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Most tornadoes originate for a vortex called a mesocyclone, a rotating updraft found in some thunderstorms, particularly supercells. A downdraft from the rear portion of the thunderstorm wrap around the mesocyclone, causing it to tighten and stretch toward the ground. In the process it intensifies. When this tighter circulation reaches the ground it becomes a tornado. At this point air can no longer flow into it from below, causing the pressure inside to drop, causing the winds in the newly formed tornado to intensify.

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Q: What happens as a tornado forms?
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Related questions

Which is the first thing that happens when a tornado forms?

When a tornado forms, violent rotating winds reach ground level, often kicking up a cloud of dust in the process.


What happens when rapidly falling cold air meets rapidly rising hot air?

A tornado forms


What forms the shape of a tornado?

a tornado is formed by a thunderstorm


What happens to living and non living things if a tornado happens?

The area in which the tornado happens can erode the area away cause the animals that lived there to have no home or die of the tornado


It can change into a water spout?

A water spout is a type of tornado that forms over water. It happens when a tornado crosses over a body of water and starts pulling up water into the air. The spinning motion of the tornado creates a funnel-shaped cloud with water droplets.


Where is a tornado called a waterspout?

A tornado is called a waterspout anywhere that it forms on water.


What do you call a tornado that forms over a calm sea?

A tornado on water is called a waterspout.


Does a tornado cause the air inside a thunderstorm to spin?

No. It is the spinning air that forms a tornado.


A violent windstorm that forms a rotating column of air called a vortex is a?

tornado.


Does the air pressure change inside the tornado?

Yes the pressure drops as the tornado forms and progresses. The tornado's lowest pressure is in the center.


Why does a tornado move up instead of down?

Air in a tornado moves up because the tornado forms in the updraft portion of a thunderstorm.


What a tornado looks like?

A waterspout it a tornado that forms on a body of water. It looks like a land formed tornado but on a smaller scale.