Before the passage of a cold front the pressure normally ____, and after the passage of a cold front the pressure normally ____.
a. drops; drops
b. drops; rises
c. rises; rises
d. rises; drops
e. does not change; drops
Q. 2Alternating lines of blue and red on a surface weather chart indicate a(n)
a. cold front.
b. warm front.
c. stationary front.
d. occluded front.
e. dryline.
Q. 3A true cold front on a weather map is always
a. associated with precipitation.
b. associated with a wind shift.
c. followed by drier air.
d. followed by cooler air.
e. followed by moist air.
Q. 4A stationary front does not move because
a. winds on both sides of the front are calm.
b. the winds blow parallel to the front.
c. the front is between high and low pressure.
d. the winds blow against each other and are of equal strength.
e. the winds blow perpendicular to the front.
Q. 5Alternating lines of blue and red on a surface weather chart indicate a(n)
a. cold front.
b. warm front.
c. stationary front.
d. occluded front.
e. dryline.
Q. 6An upper-air front involves downward motion of the
a. tropopause.
b. stratopause.
c. low-level jet.
d. both tropopause and low-level jet
e. both stratopause and low-level jet.