1. Tornadoes NSSL/SPC

2. Pasewark LTD

3. What do you think? 1. What do you think a tornado looks like? 2. What do you think a tornado feels like? 3. What would you do if you saw a tornado?

4. What is a tornado? A tornado is a rotating column of air attached to a _____ that comes in contact with the ground.

5. Pasewark LTD On average, 800 to 1000 tornadoes occur in the U.S. each year. Tornado winds can reach over _____ mph!

6. Pasewark LTD Where do tornadoes strike? Tornadoes strike anywhere _____ _____ _____.

7. Pasewark LTD The country with the highest number of tornadoes is ______. The place in this country where most tornadoes occur is called _____ _____.

8. Tornado Alley The red area represents the region that has the highest occurrence of tornadoes. This region is known as “Tornado Alley.”

9. States Where Most Tornadoes Occur 1.T exas 2.O klahoma* 3.K ansas 4.F lorida 5.N ebraska 6.I owa 7.M issouri 8.I llinois 9.L ouisiana 10.C olorado *Oklahoma City has been hit by more tornadoes than any other city since 1890

10. Pasewark LTD Tornadoes are most likely to strike in _____. Tornadoes are most likely to strike when a ____ _____ meets a ______ _____.

11. Pasewark LTD

12. How do tornadoes develop? 1. _____ develops. (A severe thunderstorm with a deep continuously rotating updraft.)

13. Pasewark LTD 2. The air at the bottom of a cloud forms into a narrow cloud called a _____.

14. Pasewark LTD 3. Funnel cloud touches the ground.

15. Pasewark LTD 4. Dust _____ forms.

16. Pasewark LTD What can you expect during a tornado? 1. Electrical storm: lightning crossing the sky

17. Pasewark LTD What can you expect during a tornado? _____: small, round pieces of ice

18. Pasewark LTD What can you expect during a tornado? _____ a flash of light in the sky caused by the discharge of atmospheric electricity

19. Pasewark LTD _____ : a sound heard after a flash of lightning occurs; caused by rapidly expanding air

20. F-0: 40-72 mph –chimney damage, tree branches broken F-1: 73-112 mph –mobile homes pushed off foundation or overturned F-2: 113-157 mph –considerable damage, mobile homes demolished, trees uprooted F-3: 158-205 mph –roofs and walls torn down, trains overturned, cars thrown F-4: 207-260 mph –well-constructed walls leveled F-5: 261-318 mph –homes lifted off foundation and carried considerable distances, autos thrown as far as 100 meters The strength of a tornado is determined by using the Fujita - Pearson Tornado Scale

21. Tornado Damage Oklahoma City May 8, 2003

24. Pasewark LTD CategoryDrawing F1 F2 F3 F4 F5

25. Since 1950: Tornadoes have caused over $30 billion in damage in the United States. Tornadoes have injured over 75,000 people in the United States. Tornadoes have killed over 4,500 people in the United States.

26. Tornado Forecasting Meteorologist can predict severe storms and issue warnings that appear on your television or computer screens

27. Pasewark LTD Why is it difficult to forecast tornadoes? - Meteorologists still don’t know how tornadoes form. - $$$ - Tornadoes strike without warning. - Impossible to insert something in the funnel of a tornado safely.

28. Pasewark LTD

29. Compare and contrast tornadoes and hurricanes. HurricanesTornadoes

30. Pasewark LTD Weather Report You and your group members need to write and produce a weather report based on your assigned scenario. You must use all of the words listed below your scenario.