Weather Review

2. This weather phenomenon is caused by friction.
5. This zone gets the least amount of direct sunlight.
6. pressure The weight of all the air above.
8. Hurricanes must form over this type of water.
10. These clouds exist high in the sky and are made of ice crystals.
11. This weather occurence is caused by wind shear.
12. A boundary that separates two air masses.
13. The average weather in a region over a long period of time.
16. The amount of water vapor in the air compared to the amount of water vapor that temperature can hold.
18. This word means rain.
19. The point at which water condenses out of the air.

1. This occurs when two groups of air collide towards each other.
3. A storm that forms over tropical waters and has wind speeds less than 35mph.
4. This type of precipitation starts as ice, melts, and then refreezes before it hits the ground.
7. This device allows you to measure wind speed.
9. A naturally occurring heating process where certain gases in the atmosphere trap heat.
13. A type of cloud that is responsible for storms.
14. This front separates two masses of air.
15. This word means middle.
17. This zone is located between the tropics and the polar zone and is also where the United States is located.