2. A severe windstorm that has twisting spinning funnels reaching down from a huge dark cloud. A tornado funnel can be 10 feet to slightly over 1 mile wide.

3. Warm air masses meet cold air masses. Wind spins the air into a funnel cloud. The tornado spins the air very fast as it moves along.

5. Tornadoes happen all over the world. Hundreds of tornadoes form each year in the central United States. This area is known as Tornado Alley. Tornado Alley consist of the following States; Ne, Il, In, Ky, Ks, Ok, Tx Ms, Ar, Ga, Co, Oh, Nm and Mexico.

6. The Tri-State Tornado of 1925 was the deadliest tornado in United States history. It struck Missouri, Illinois, and Indiana on March 18, 1925. The tornado travelled a total of 219 miles (352 kilometers). It killed nearly 700 people and nearly about 15,000 home been destroy.

7. Tornadoes can wreck houses, cars and other things. It can do a little or a huge amount of damage. A tornado once lifted a train full of people off tracks.

8. When there is a tornado warning people should take cover right away by going in a basement or some other underground shelter.

9. If you going outside, lie down in a ditch. If you are in your house, hide in the basement or somewhere away from all windows. Cover your head with your hands.

10. Sometime a tornado can happen at sea. It is call a water spout, It sucks a long column of water from the ocean in to the sky.

11. Tornado winds spin so fast, they make a vacuum. The vacuum doesn’t just suck up dirt, it sucks up and moves things like trees and cars!

12. Prokos, Anna. Tornadoes. Pleasantville: Gareth Stevens Publishing, 2009. print Armbruster, Ann & Taylor, Elizabeth. Tornadoes. USA: Library of Congress Cataloging-in-Publication Data, 1989. print Burby, Liza. Tornadoes. New York: The Rosen Publishing Group, Inc., 1999. print