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VERSION A ATOC 1050, Exam II, Fall 2007 Name: ______________________ MARK THE VERSION OF THE TEST ON YOUR SCANTRON. Multiple choice and True/False. Circle the BEST answer on this paper and darken in the corresponding circle on the scantron for the multiple choice, or circle “T” for “True” and “F” for “False” on your paper and on the scantron. DON’T FORGET TO DO BOTH! Each correct answer is worth 2 points. 1. Which of the following lapse rates are measured by a radiosonde/rawinsonde? a. saturated adiabatic lapse rate b. dry adiabatic lapse rate c. environmental lapse rate d. aerological lapse rate e. none of the above 2. If an air parcel is displaced vertically in a NEUTRAL environment, what will the parcel do? a . it will remain in its new position b. it will fall back into place c. it will spread out horizontally d. it will rise e. nothing 3. A conditionally unstable atmosphere is ________ for an air parcel that is unsaturated and _________ for a parcel that is saturated. a. stable, stable b. unstable, unstable c . stable, unstable d. unstable, stable e. can’t tell from the information given. 4. As an air parcel sinks, what happens to its size and temperature? a. it expands and cools b. it expands and warms c. it compresses and cools d . it compresses and warms e. it changes size, but the temperature remains the same 5. If you wanted to assess the stability of the atmosphere, which tool would be most helpful? a. 500 mb upper air map b. surface pressure map c. wind profiler data d . Skew-T diagram e. ALL of the above would be useful 6. T. F. A baroclinic atmosphere is one where lines of constant temperature are coincident or parallel to lines of constant pressure. 1
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Use the diagram below to answer questions 7. and 8. 7. T . F. This is an unstable sounding and considering the available moisture, there could be thunderstorms. 8. T . F. The latitude of this station is 33.17 ° N. 9. T . F. There are three types of vorticity: the Earth’s; absolute, and relative. 10. T.
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