University Of Arizona

ATMO 005

Quiz #3

1)To remove water vapor from moist air you should______ the air.

2. Feature 1 on the thunderstorm cloud at right is an_______cloud. Feature 2 is a_________cloud.

3. Does the collision coalescence process work best when the water droplets in a cloud fall at________ speeds. The largest raindrops are produced by clouds with __________.

4. Strato and __________tell you something about cloud appearance.

5. Cirrostratus clouds are __________than altostratus clouds. Altocumulus clouds are___________ than stratocumulus clouds. Stratiform clouds form when the atmosphere is______________.

6. Use the table of saturation mixing ratio values to determine the mixing ratio and the dew point temperature on a day when the air temperature is 80o   F and the RH is 50%.

7. Mixing ratio and ______________ provide an idea of the actual amount of water vapor in the air.

8. An ice crystal falling through a cloud is colliding with supercooled water droplets. They stick and freeze to the crystal. This process is called ____________.

9. When nimbo- or –nimbus is part of a cloud name, the cloud is

_______________.

10. Virga is rain that ______________before reaching the ground.

11. In order for frost to form the dew point temperature must be__________freezing and the nighttime minimum temperature must be___________ the dew point temperature.

12. It stays warmer on a cloudy night than on a clear night because clouds are __________________. Clouds are white because they are ________________.

13. On average the earth’s surface emits more radiant energy than it receives from the sun. How is it possible for this to be true and for the earth’s surface to be in energy balance?

14. Which two of the following are true of greenhouse gases?

15. Warm air will always have a higher ___________ than cool air.

16. Foggy conditions mean the ___________ is high.

17. The mixing ratio has units of _____________________.