how to discribe a tornado

a tornado is a a sworm of clouds the start to rotate violently, a part of the rotating cloud begins ti strech down that is called the funnel when the funnle hits the ground it starts to pick up everything around it causeing lots of distruction
the first step a tornado need to form is that it needs to have the right atmospheric conditions. the nexts step a tornado needs to form is it needs to have warm moist air and cold dry air when they mix it will cause a strong tunder storm to form