A) Water- vapor contents are too low at night.
B) Upper- level winds are too fast at night and in morning.
C) Atmosphere is most unstable at that time.
D) It takes all day for them to mature.
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A) spreading downdraft cuts off air inflow
B) converging winds aloft
C) loss of radiant energy from cloud top
D) converging surface winds
E) release of latent heat within the cloud
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A) 10%
B) 20%
C) 50%
D) 25%
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A) Oklahoma
B) Texas
C) Colorado
D) Florida
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A) 150 - 600 meters.
B) 1000 - 2500 meters.
C) 3000 meters.
D) 50 - 100 meters.
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A) Climate change will have no definable impact on thunderstorm days.
B) Thunderstorm days are expected to decrease in the Southeastern United States.
C) More thunderstorms will occur in every state of the nation.
D) The environment necessary for severe thunderstorms will occur on more days for most locations east of the Rockies.
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A) Letter E
B) Letter F
C) Letter C
D) Letter D
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A) anvil - front of the thunderstorm
B) downdraft - precipitation
C) mesocyclone - region of tornado formation
D) tornado watch - a tornado has been sighted on the ground
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A) it kills few people compared to the other types of severe weather, so it isn't studied as much.
B) scientists don't understand exactly how it forms.
C) it strikes so frequently and in so many places.
D) people are only struck by lightning a few times each decade, so most don't listen to warnings.
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A) gust fronts.
B) tornadoes.
C) downbursts.
D) air bombs.
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A) associated with cumulonimbus clouds
B) occur most frequently in the spring of the year
C) generally move from the southwest toward the northeast
D) usually occur along the warm front of a midlatitude cyclone
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A) variable and gusty.
B) anticyclonic.
C) calm.
D) cyclonic.
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A) a line of thunderstorms, one feeding into the next
B) warm, moist air fed into a thunderstorm by the updraft
C) rotation from the parent cloud transferring into a tornado
D) the process of cool, dry air being pulled into a thunderstorm by the downdraft
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Either the condensation of wat...View Answer
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A) fewer than 1 percent
B) slightly more than 50 percent
C) about 10 percent
D) nearly 25 percent
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