Chapter 7

Question 1

A large body of air (500-1600 miles in diameter) with relatively uniform temperature and moisture, typically with homogeneous source origin is called
A. a continental breeze.

B. an oceanic cyclone.

C. an air mass.

D. a monsoon.

E. a tornado.

Answer 1

C. an air mass.

Question 2

Compared to a warm front, a cold front usually has a ____________ gradient.
A. more gentle

B. less pronounced

C. slowly retreating

D. much steeper

E. somewhat equal

Answer 2

D. much steeper

Question 3

In a typical midlatitude cyclone
A. the cold front advances faster than the warm front.

B. both the cold front and the warm front advance at the same speed.

C. the warm front retreats faster than the advancing cold front.

D. the warm front advances faster than the retreating cold front.

E. both fronts are juxtaposed.

Answer 3

A. the cold front advances faster than the warm front.

Question 4

Considered to be the most destructive of all atmosphericdisturbances, _________ are tiny storms in diameter, usually with the most extreme pressure gradient known
A. hurricanes

B. chinooks

C. anticyclones

D. frontal cyclones

E. tornadoes

Answer 4

E. tornadoes

Question 5

Unlike tornadoes, the eye of a hurricane is normally
A. stormy.

B. invisible.

C. dark.

D. calm.

E. violent.

Answer 5

D. calm.

Question 6

The typical air mass in place for New Orleans, Louisiana, is:
A. mP

B. cP

C. cT

D. mT

E. cA

Answer 6

D. mT

Question 7

Thunderstorms typically dissipate because
A. they run out of rain.

B. the winds blow too fast.

C. the updraft overpowers the downdraft.

D. the downdraft chokes off the updraft.

E. the sun rises.

Answer 7

D. the downdraft chokes off the updraft.

Question 8

Midlatitude anticyclones in the Northern Hemisphere
A. rotate counterclockwise.

B. are associated with rising motion.

C. precede a cold front passage.

D. exist behind cold fronts.

E. exist ahead of warm fronts

Answer 8

D. exist behind cold fronts.

Question 9

Which group ranks tropical cyclones in order of decreasing wind speed?
A. Tropical depression, tropical storm, hurricane

B. Hurricane, tropical depression tropical storm

C. Hurricane, tropical wave, tropical depression

D. Tropical wave, tropical depression, hurricane

E. Hurricane, tropical storm, tropical depression

Answer 9

E. Hurricane, tropical storm, tropical depression

Question 10

Which characteristic distinguishes hurricanes from midlatitude cyclones in the Northern Hemisphere?
A. Vertical tilt with height

B. Tornadoes

C. Heavy rainfall

D. Cyclonic circulation

E. Windy conditions

Answer 10

A. Vertical tilt with height