At a warm front, the warm air
a. rises and cools.
b. rises and warms.
c. sinks and cools.
d. sinks and warms.
e. does not move.
Q. 2In winter, which sequence of clouds would you most likely expect to observe as a warm front with precipitation approaches your location?
a. cirrus, nimbostratus, altostratus, and cumulonimbus
b. cirrus, cirrostratus, altostratus, and nimbostratus
c. cirrostratus, nimbostratus, altostratus, and fog
d. cirrus, cirrostratus, altostratus, and cumulonimbus
e. altostratus, cirrostratus, cirrus, and nimbostratus
Q. 3A halo around the Sun or Moon indicates that rain may be on the way because the halo indicates a(n)
a. cold front may be approaching.
b. warm front may be approaching.
c. sharp drop in atmospheric pressure.
d. sudden rise in surface dew point temperature.
e. occluded front just passed.
Q. 4back door cold front best describes which of the following situations?
a. a cold front moving into Washington state from the Pacific ocean
b. a cold front moving into the desert southwest from Northern Mexico
c. a cold front that moves into New England from the Atlantic Ocean
d. a cold front that moves in a clockwise direction around a low pressure center
e. a cold front that originated over the Pacific Ocean.
Q. 5Squall lines most often form ahead of a
a. cold front.
b. warm front.
c. cold-type occluded front.
d. warm-type occluded front.
e. stationary front.
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