A tornado is really fast and strong winds that come together and spin all the way down to the ground to create a tornado. For a tornado to form it also needs to have warm air and cool air.
How it forms
When warm moist air and cool air come together it creates a funnel cloud. When the funnel cloud gets bigger it creates a tornado. Funnel clouds always come before a tornado. Thunderstorms can also create a funnel cloud witch makes a tornado. you need 2 different wind speeds to create a tornado.
Oklahoma tornado killed at least 10 people. Damaged a school lots of homes and other buildings and vehicles. 150 people were badly damaged. Super tuesday outbreak. 86 tornadoes. 10 states. 57 killed. Deadliest tornado in the US since 1985. more people were killed in the super Tuesday outbreak than the Oklahoma tornado.
When a tornado comes to town there is a siren to warn you. when people hear the siren they grab some stuff and move to the basement.