1. A tornado rated F5 has the greatest and results in incredible damage.

2. A supercell has a long, upward movement of air, or , that gives a thunderstorm energy.

3. Knowing that he or she may have helped save a life is the , or greatest, thrill for some storm chasers.

4. Some study weather patterns and prepare forecasts for the media.

5. Hurricane winds can drive swelling waves, or , of seawater ashore.

6. The of a tornado touching down is a sight that would awe anyone.

7. The salt in salt water does not when the water turns to water vapor.

8.  are spiraling air masses that can develop into tornadoes.

9. Clouds are a mass of water particles that have , or changed from water vapor to liquid water.

10. People who are outdoors are more to injury in a tornado than people who have found shelter.

11. Despite popular myths, hills and bodies of water do not , or prevent, the development and movement of tornadoes.

12. Although an intense tornado can have winds over 200 mph, 99 percent of tornadoes have winds under 200 mph.

13. The wrecked by a tornado can result in loss of life and millions of dollars in damage.

14. The tornado whirled down, leaving a scene of downed trees and torn-off roofs throughout the neighborhood.

15. The weather service’s chief, or , reason for issuing tornado warnings is to help save lives.