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F The lifting condensation level is the level at which, if an air parcel is forced to _____ lift to it, it will keep going. Height above the ground (m) 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 2000 level of free convection 1000 lifting condensation level 0 0 5 10 15 20 25 Temperature (°C) 30 35 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 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 b Which of the following does not measure wind (speed and/or direction)? _____ a. an anemometer surface wind speed b. a barometer air pressure c. a rawinsonde or radiosonde vertical profiles of wind speed & direction d. an aerovane surface wind speed & direction F A cup anemometer measures wind direction. _____ c Which of the following winds blows uphill? _____ a. a chinook downhill b. a mountain breeze downhill c. a valley breeze uphill d. a katabatic breeze downhill _____ Which of the following circulations in the diagrams below occurs at night? a. H L land L H ocean b. L H land H L ocean _____ Which of the following circulations in the diagrams below occurs at night? WARM COOL land ocean DAY _____ Which of the following circulations in the diagrams below occurs at night? H L sea breeze L H land ocean DAY _____ Which of the following circulations in the diagrams below occurs at night? COOL WARM land ocean NIGHT _____ Which of the following circulations in the diagrams below occurs at night? L H land breeze H L land ocean NIGHT b Which of the following circulations in the diagrams below occurs at night? _____ a. H L land L H ocean b. L H land H L ocean T During the afternoon, you will most likely experience an onshore wind at an _____ oceanside beach. 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. _____ A temperature inversion is an extremely unstable situation. Height above the ground (m) Absolutely stable Moist adiabatic lapse rate 3000 Environmental lapse rate = 4°C/km 2000 Dry adiabatic lapse rate 1000 0 0 5 10 15 20 25 Temperature (°C) 30 35 _____ A temperature inversion is an extremely unstable situation. Height above the ground (m) Absolutely stable 3000 warming aloft 2000 and/or cooling near-sfc. 1000 0 0 5 10 15 20 25 Temperature (°C) 30 35 F A temperature inversion is an extremely unstable situation. _____ Height above the ground (m) Absolutely stable 3000 warming aloft 2000 and/or cooling near-sfc. 1000 0 0 5 10 15 20 25 Temperature (°C) 30 35 T Cloud droplets are much smaller than the average raindrop. _____ Fig. 5-15, p.121 T Surface winds are cross-isobaric, blowing towards lower pressure. _____ Geostrophic wind Fig. 6-19a, p.159 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. Fig. 4-5, p.81 Fig. 5-20, p.125 F The Coriolis force is greatest at the Equator. _____ Fig. 6-14, p.153 high at ________ high latitudes. The Coriolis force is strongest when the wind speed is ________ high low high low stratiform In a stable atmosphere, one would expect to see __________________ clouds. stratiform cumuliform