GEOG 115 Mid term Exam #2 Study Guide Condensation in the atmosphere (Book Chapt
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GEOG 115 Mid term Exam #2 Study Guide Condensation in the atmosphere (Book Chapter: 4) 1. Winter fog in the Central Valley region of Califormia is mainly due to: adiabatic cooling radiational cooling c. advection of cold air d. uplift e. evaporation of water from rivers 2. Which of the following is not a favorable condition for the formation of radiation fog? a. strong radiational cooling b. formation of surface-based inversion igh humidity near surface cloudy sky e. calm condition or light wind 3 Steam fog is an example of a. radiation fog b. mixing fog c. upslope fog advection fog e. coo 4. Which of the following is not true about dew formation? a. more likely to form on night that are clear and calm than on nights that are cloudy and windy valuable source of moisture for many plants during periods of low rainfall c. more likely to form on twigs, leaves, and grasses than on tree leaves Sonly forms when air temperature is below freezing point 5. Which of the following statements is not true? a. condensation takes place when the dew point temperature is reached b, the relative humidity is less than 100% when the dew point is reached c. the dew point is the temperature to which air temperature mu reach saturation st be cooled at constant pressure to d. frost point is the temperature to which air must be cooled at a constant pressure to form cause frost to 6. Frost forms when: a. objects on the ground cool below the dew point temperature b. the dew point is 32o F or below c. water vapor changes into ice without first becoming a liquid d. all of the above 7. As the difference between the air temperature and the dew point increases a. increases b. decreases c, remains constant at a value less than 100% d, remains constant and equal to 100%Explanation / Answer
5. When the temperature is cooled to the dewpoint then the relative humidity is 100%. So 'b'.
6. frost occurs when the nighttime temperature drops to below 32F and refers to the conditions that allow a layer of ice crystals to form when water vapor condenses and freezes without first becoming dew. So, 'd'.
7. when the air and the dew point temperatures are far apart, the relative humidity is low. So, 'b'.
8. The ice crystals responsible for halos are typically suspended in cirrus or cirrostratus clouds. So, 'd'.
9. exhaled breath from your mouth can condense when: it is very cold. So, 'a'.
10. cirrus clouds are composed of ice crystals that originate from the freezing of supercooled water droplets. So, 'a'.
11. A cumulonimbus incus is also known as an anvil cloud, So, 'a'.
12. Hail is possible within most thunderstorms as it is produced by cumulonimbus, So, 'e'.
13. All the statements are true. So, 'e'.
14. The answer is related to the temperature of the highest surface at the location, So, 'd'.
15. GOES infrared image records temperature, So, 'c'.
16. altocumulus, altostratus, and nimbostratus clouds middle level clouds, So, 'd'.
17. cirrus, cirrocumulus and cirrostratus clouds are all high-level clouds. So, 'e'.
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