Meteorology Practice Exam 3: Chapters 11-14

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Name: ______________________ ID: A ____ 31. A small, moving disturbance imbedded in a longwave is called: a. a lee-side low. b. a wave cyclone. c. a shortwave. d. a frontal wave. ____ 32. During baroclinic instability, a. wave cyclones can intensify into large storm systems. b. strong wind speed shear exists from the surface up to at least the 500 mb level. c. rising and descending air motions exist. d. temperature advection is occurring. e. all of these ____ 33. Referring to the diagram below, if the winds are all blowing at constant speed, confluence of air is occurring at point: a. 1. b. 2. c. 3. d. 4. ____ 34. Front A in the figure below is a Southern Hemisphere ____ front and is moving toward the ____. a. warm; north b. warm; south c. cold; north d. cold; south e. none of these ____ 35. A weather watch would probably be issued for which of the following conditions? a. There is a chance for tornadoes tomorrow. b. Presently, extremely high winds are occurring at mountain summits. c. A tornado has been sighted at the outskirts of town. d. Heavy snow has been falling over the forecast area. 6
Name: ______________________ ID: A ____ 36. Suppose it is warm and raining, and a cold front is moving toward your location. Directly behind the cold front, it is cold and snowing. Still further behind the front, the weather is cold and clearing. If the front is scheduled to pass your area in 6 hours, a persistence forecast for your area for 12 hours from now would be: a. cold and snowing. b. cold and clearing. c. cold and cloudy. d. warm and raining. e. not enough information on which to base a forecast. ____ 37. Predicting the weather by weather types employs which forecasting method? a. probability b. steady-state c. analogue d. persistence e. guess ____ 38. The forecasting technique that produces several versions of a forecast model, each beginning with slightly different weather information to reflect errors in the measurements, is called: a. climatology forecasting. b. redundancy analysis. c. persistence forecasting. d. ensemble forecasting. e. probability forecasting. ____ 39. The forecasting of weather by a computer is known as: a. weather type forecasting. b. climatology forecasting. c. extended weather forecasting. d. analogue prediction. e. numerical weather prediction. ____ 40. Ordinary thunderstorms only last about one hour and begin to dissipate when: a. lightning neutralizes all the electrical charge in the cloud. b. when all the precipitation particles in the cloud turn to ice. c. when the downdraft spreads throughout the cloud and cuts off the updraft. d. when solar heating at the ground begins to decrease. ____ 41. Severe thunderstorms are different from ordinary thunderstorms in that severe thunderstorms: a. contain thunder and lightning. b. have an anvil. c. contain hail. d. have a strong updraft and downdraft. e. have a tilted updraft in the mature stage. ____ 42. The main difference between a downburst and a microburst is: a. duration. b. strength. c. size. d. altitude. 7
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Meteorology Practice Exam 3: Chapters 11-14

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