_____ The lifting condensation level is the level at which, if an air parcel is forced to

1. F _____ The lifting condensation level is the level at which, if an air parcel is forced to lift to it, it will keep going. If you were marked wrong for marking this one “F,” please turn back your quiz to me after class so that you can get a point for it. Dew point 3000 level of free convection 2000 Height above the ground (m) lifting condensation level 1000 0 0 5 10 15 20 25 30 35 Temperature (°C)

2. a _____ Which force is what sets the air in motion, causing the wind to blow? a. pressure gradient force b. Coriolis force c. Centripetal force d. friction b _____ A ______________________ is a wind that is formed when there is a balance between the pressure gradient force and the Coriolis force. a. gradient wind b. geostrophic wind c. ageostrophic wind d. sea breeze

3. d _____ Which of the following cannot possibly be a mesoscale weather feature? a. a thunderstorm b. a tornado c. a sea breeze d. a low pressure system

4. b _____ Which of the following does not measure wind (speed and/or direction)? a. an anemometer b. a barometer c. a rawinsonde or radiosonde d. an aerovane surface wind speed air pressure vertical profiles of wind speed & direction surface wind speed & direction F _____ A cup anemometer measures wind direction. c _____ Which of the following winds blows uphill? a. a chinook b. a mountain breeze c. a valley breeze d. a katabatic breeze downhill downhill uphill downhill

5. a. b. H L H L ocean ocean land land _____ Which of the following circulations in the diagrams below occurs at night? H L L H

6. _____ Which of the following circulations in the diagrams below occurs at night? WARM COOL land ocean DAY

7. _____ Which of the following circulations in the diagrams below occurs at night? H L sea breeze L H land ocean DAY

8. _____ Which of the following circulations in the diagrams below occurs at night? COOL WARM land ocean NIGHT

9. _____ Which of the following circulations in the diagrams below occurs at night? L H land breeze H L land ocean NIGHT

10. a. b. H L H L ocean ocean land land b _____ Which of the following circulations in the diagrams below occurs at night? H L L H T _____ During the afternoon, you will most likely experience an onshore wind at an oceanside beach.

11. b a d _____ The speed of the wind at locations a and b on the isobaric chart are most likely a. much faster than a geostrophic wind. b. a little faster than a geostrophic wind. c. the same as that of a geostrophic wind. d. a little slower than a geostrophic wind.

12. _____ A temperature inversion is an extremely unstable situation. Absolutely stable Moist adiabatic lapse rate 3000 Environmental lapse rate = 4°C/km 2000 Height above the ground (m) Dry adiabatic lapse rate 1000 0 0 5 10 15 20 25 30 35 Temperature (°C)

13. _____ A temperature inversion is an extremely unstable situation. Absolutely stable 3000 warming aloft 2000 Height above the ground (m) and/or cooling near-sfc. 1000 0 0 5 10 15 20 25 30 35 Temperature (°C)

14. F _____ A temperature inversion is an extremely unstable situation. Absolutely stable 3000 warming aloft 2000 Height above the ground (m) and/or cooling near-sfc. 1000 0 0 5 10 15 20 25 30 35 Temperature (°C)

15. Fig. 5-15, p.121 T _____ Cloud droplets are much smaller than the average raindrop.

16. Geostrophic wind Fig. 6-19a, p.159 T _____ Surface winds are cross-isobaric, blowing towards lower pressure.

17. Fig. 4-5, p.81 Fig. 5-20, p.125 F _____ In clouds that are mixed with supercooled liquid droplets and ice crystals, the ice crystals tend to grow, because there are more water vapor molecules surrounding the ice crystals than around the liquid droplets.

18. Fig. 6-14, p.153 F _____ The Coriolis force is greatest at the Equator. high high The Coriolis force is strongest when the wind speed is ________ at ________ latitudes. high low high low

19. stratiform In a stable atmosphere, one would expect to see __________________ clouds. stratiform cumuliform