Exam 10: Thunderstorms and Tornadoes

A) the atmosphere is generally fairly stable when these storms develop.
B) there is rarely enough moisture available to keep the storm alive for longer than 30 minutes.
C) wind shear causes the storm's updraft to become tilted.
D) the downdrafts quickly become strong enough to stop the updraft and influx of moisture to the storm.

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A) a tornado.
B) lightning.
C) the passage of a hurricane.
D) squall line formation.
E) the stages of a thunderstorm.

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A) both form in the trade- wind belt.
B) both have conspicuous surface fronts.
C) both are most common and well- developed in the winter season.
D) both circulate around low pressure.

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A) on the lee shore of the Great Lakes.
B) at the leading edge of a thunderstorm downdraft.
C) during the development of thunderstorm clouds.
D) near the anvil part of a thunderstorm cloud.

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(1) Cumulus Stage. (...

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A) 1300
B) 45,000
C) 300
D) 5000

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A) is actually a display of the northern lights.
B) is brighter than ordinary lightning.
C) is also called "ball lightning."
D) is regular lightning occurring more than 20 kilometers from the person observing it.

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A) lightning strikes will be especially intense.
B) the thunderstorm has very strong updrafts causing the cloud to grow into the stratosphere.
C) the thunderstorm is dissipating.
D) a thunderstorm will DEFINITELY produce a tornado.

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A) northern Wisconsin
B) central Nevada
C) central Florida
D) west of Hudson Bay (Canada)
E) The occurrence of thunderstorms at all of these places should be about the same.

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A) Letter A
B) Letter B
C) Letter E
D) Letter D

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A) tropics.
B) middle latitudes.
C) subarctic regions.
D) subtropics.
E) polar regions.

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A) have much greater range than conventional radars.
B) show the motion of precipitation particles.
C) detect lightning strokes.
D) detect condensation nuclei.
E) show the motion of air in clear areas.

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A) why tornadoes are so short lived.
B) why some tornadoes never touch the ground.
C) what EF rank a tornado should have.
D) why one building is destroyed and the one next to it is untouched.

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A) Divergence of air aloft is greatest.
B) Surface air is most humid.
C) Upper- air temperatures are warmest.
D) Solar energy is a maximum.
E) Air- mass contrasts are greatest.

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