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METREOLOGY CLASS METREOLOGY CLASS Which of the following are external causes of

ID: 292743 • Letter: M

Question

METREOLOGY CLASS

METREOLOGY CLASS

Which of the following are external causes of climate change? a. volcanoes b. meteorite impacts c. changes in incoming solar radiation d. all of these 43. 44. On an upper-level chart the wind tends to blow: a. at right angles to the isobars or contour lines. b. at an angle between 10° and 30° to the contou c. parallel to the isobars or contours. d. at constant speed. rs an d towards lower pressure. 45. Occluded fronts may form as: a. a cold front overtakes a warm front. b. a warm front overtakes a cold front. c. a cold front overtakes a squall line. d. overrunning occurs along a warm front. Continental tropical air masses are typically found in: a. spring months only b. the southeastern U.S. c. the Northern Plains, including Minnesota d. northern Mexico and the southwestern U.S. 46. If a cold front were to pass St. Cloud in 2 hours, what will the weather in St. Cloud be like 6 hours from now? A. colder and more humid with NE winds B. warmer and more humid with SW winds C. colder and drier with NW winds D. warmer and drier with SE winds 47. The day after the frontal passage, St. Cloud is in the middle of a cP air mass, where winds are very light. What weather do you expect over the next 6 hours? A. get warm and humid due warm advection B. probably rain quite a bit C. get cooler due to cold advection D. stay cool and dry, no changes 48. Raindrops falling from a July thunderstorm in Minnesota originally start out as a) water vapor condensing spontaneously into large drops of water b) snowflakes c) sleet d) hailstones that break apart and melt 49. Questions 50 and 51 are on the reverse side.

Explanation / Answer

43.d all of these

44. c. parallel to the isobars or contours.

45. a. A cold front overtakes a warmfront

46. b. Southeastern US

47.c. Colder and drier with NW winds

48.D. Saty cool and dry, no changes

49.b. snowflakes.