PHY3014 Earth Science SAMPLE FINAL EXAM 94. It is known that the stronger the up
ID: 293715 • Letter: P
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PHY3014 Earth Science SAMPLE FINAL EXAM 94. It is known that the stronger the updraft, the larger a hailstone can grow. In order to grow in size, how does the hailstone circulate through a thunderstorm? (a) the hailstone rotates vertically in a storm with the motion of a ferriswheel (b) the hailstone spirals vertically around the updraft inside the storm (c) the hailstone is suspended without any vertical movement (d) the hailstone grows only during its freefalling, downward flight through the storm 95. Which of the following ingredients are necessary for thunderstorm formation? (a) a source of lift (b) a source of moisture (c) a conditionally unstable atmosphere (d) all of the above (e) none of the above 96. A thunderstorm is considered severe if which of the following are true? (a) only wind gusts greater than or equal to 55 mph (b) hail ¼" or greater, wind gusts greater than or equal to 55mph and/or a tornado (c) only a tornado (d) thunderstorms are never severe 97. What three stages make-up the life cycle of a typical airmass thunderstorm? (a) embryo, development and dying stages (b) young, mature and old stages (c) cumulus, mature and dissipation stages (d) small, big and large stages (e) none of the above 98. The mature stage of a typical airmass thunderstorm begins when which of the following happens? (a) there is only an updraft (b) there is only a downdraft (c) precipitation reaches the surface (d) there is no updraft or downdraft 99. Which of the following is a rotating thunderstorm? (a) a superstorm (b) a multicell (c) a supercell (d) an airmass thunderstorm 100. If there was NO wind shear, but all the conditions for thunderstorm formation were met, what would be the most likely type of thunderstorms to develop in the atmosphere? (a) a superstorm (b) a multicell (c) a supercell (d) an airmass thunderstorm END OF SAMPLE FINAL EXAM 15Explanation / Answer
94. B The hailstone spirals vertically around the updraft in the storm. Hailstones begin as small ice particles that grow primarily as they require abundant water droplets. As the hailstone moves up and down through a storm, it collides with water droplets and grows steadily larger.
95. d. The basic ingredients used to make a thunderstorm are moisture, unstable air and lift.
96. b. is correct. According to the National Weather Service, a severe thunderstorm must include winds of 58 MPH or greater, hail one inch in diameter or larger, or a tornado.
97. c) cumulus stage, mature stage, and decaying stage or dissipation stage.
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