What causes tornadoes?

Tornadoes are very frequent in United States. They occur mostly during the spring and summer seasons. Nearly 800 tornadoes occur in different parts of U.S per year. Tornadoes also occur in many other parts of the world, but they are most frequent in U.S.

Tornado is a violently rotating air that extends from the thunderstorm to the ground. They can cause a lot of damage to lives and property. The most powerful tornadoes move with the speed of 250mph (miles per hour) or even more. These destructive forces come in different shapes and size but the most common shape of a tornado is much like a funnel i.e. narrow from the bottom and wide from above.


Tornadoes form in an unusually violent thunderstorm. When it gets the favorable conditions i.e. the air gets unusually warm and humid in lower atmosphere, cooler and dry in upper atmosphere, quick change in speed and direction of the air and fall in temperature as the height increases, cause tornadoes.

Tornadoes form in an unusually violent thunderstorm. When it gets the favorable conditions i.e. the air gets unusually warm and humid in lower atmosphere, cooler and dry in upper atmosphere, quick change in speed and direction of the air and fall in temperature as the height increases, cause tornadoes.