Chapter 13 storms ILI

2. A violent, whirling column of air in contact with the ground.
6. The development of a calm center of the storm
9. produced by advancing cold fronts and, more rarely, warm fronts.
12. Extended periods of well-below-average rainfall.
13. Ranks tornadoes according to their destruction and estimated wind speed.
15. A branched out channel of positively charged particles.
16. A tall band of strong winds and dense clouds that surround the eye.
18. When air rises because of unequal heating of Earth's surface within on air mass.

1. Classifies hurricanes according to wind speed.
3. Local air mass thunderstorms that occur because land and water store and release thermal energy differently.
4. Measures the phenomenon called the windchill factor.
5. Violent downdrafts that are concentrated in a local area.
7. Extended periods of above-average-temperatures.
8. Extended period of below-average temperatures.
10. Occurs when an air mass rises by orographic lifing, which involves air moving up the side of a mountain.
11. Rotating, low-pressure tropical storms.
14. The channel of partially charged air.
17. Occurs when hurricane-force winds drive a mound of ocean water toward coastal areas where it washes over the land.