This document discusses different types of severe weather including thunderstorms, tornadoes, hurricanes, floods, and winter storms. It provides details on the characteristics of each type of severe weather such as how thunderstorms form and the different classifications of tornado intensities. Key facts are outlined about hurricanes including their size, wind speeds, duration and stages. Information is also given on different types of floods and winter storms.

1. Severe weather

3. Tornadoes

4. Hurricanes

5. Floods

6. Winter Storms

9. Unstable Air

11. The Multicell Cluster Storm

12. The Multicell Line Storm

14. EF1: 86-110mph: Moderate damage; Trees snapped, roofs damaged

15. EF2: 111-135mph: Considerable damage; Trees uprooted, Mobile homes demolished

16. EF3: 136-165mph: Severe damage; Cars lifted off ground, Trains overturned

17. EF4: 166-200mph: Devastating damage; Houses destroyed, Cars thrown 300 yards or more in air

19. Speeds of 75-200 mph

20. Each one usually lasts over a week

21. Moves 10-20 mph over an open ocean

24. River Floods

25. Coastal Flooding

26. Inland Flooding

28. Just 2 feet of water can float your vehicle (or even a bus!)

29. Six inches of rapidly moving water can knock you down

31. Sleet

32. Freezing Rain

33. Lake-Effect Snow