Weather Review

2. This device allows you to measure wind speed.
4. This front separates two masses of air.
5. This zone is located between the tropics and the polar zone and is also where the United States is located.
7. Hurricanes must form over this type of water.
9. This word means rain.
10. This weather occurence is caused by wind shear.
12. The average weather in a region over a long period of time.
15. The weight of all the air above.
16. These clouds exist high in the sky and are made of ice crystals.
17. This type of precipitation starts as ice, melts, and then refreezes before it hits the ground.

1. The amount of water vapor in the air compared to the amount of water vapor that temperature can hold.
3. A naturally occurring heating process where certain gases in the atmosphere trap heat.
6. This word means middle.
8. This zone gets the least amount of direct sunlight.
10. A storm that forms over tropical waters and has wind speeds less than 35mph.
11. A type of cloud that is responsible for storms.
12. This occurs when two groups of air collide towards each other.
13. The point at which water condenses out of the air.
14. A boundary that separates two air masses.
18. This weather phenomenon is caused by friction.