Meteorology Practice Exam 3: Chapters 11-14

Name: ______________________ ID: A
____ 43. The wind shear associated with several major airline crashes is believed to have been caused by:
a. microbursts.
b. dry lines.
c. the jet stream.
d. mesocyclones.
____ 44. A relatively narrow downburst, less than 4 kilometers wide, is called a:
a. microburst.
b. funnel cloud.
c. rain shaft.
d. narrow burst.
e. mesocyclone.
____ 45. Squall lines generally do not form:
a. behind a cold front.
b. when the air aloft develops waves downwind from a cold front.
c. along a dry line.
d. in the warm sector where warm, dry air meets warm, humid air.
e. ahead of an advancing cold front.
____ 46. On a surface weather map, which of the following marks the boundary where a warm, dry air mass
encounters a warm, moist air mass?
a. gust front
b. dry line
c. storm front
d. wall cloud
____ 47. Most squall line thunderstorms form:
a. in advance of a cold front.
b. along a cold front.
c. behind a cold front.
d. in advance of a warm front.
e. along an occluded front.
____ 48. Lightning may occur:
a. within a cloud.
b. from a cloud to the ground.
c. from one cloud to another cloud.
d. all of these
____ 49. Lightning discharges within a cloud occur ____ cloud-to-ground lightning.
a. more frequently than
b. less frequently than
c. about as frequently as
d. Lightning cannot remain in the cloud; it must strike an object on the ground.
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