Question 1

Middle- latitude anticyclones in the Northern Hemisphere:

Accepted Answer

A)   rotate clockwise.
B)   are large low- pressure systems.
C)   travel from east to west.
D)   have cold fronts but not warm fronts.E) B) and D)
F) B) and C)

Question 2

A wind shift in a clockwise direction, as from south to west, is termed wind shift.

Accepted Answer

A)   veering
B)   anticyclonic
C)   frontal
D)   backingE) C) and D)
F) None of the above

Question 3

-Refer to the diagram of a front shown above. If the warm air at the back is stable, what kind of cloud is most likely to form and produce precipitation in association with the front?

Accepted Answer

A)   altocumulus
B)   cumulonimbus
C)   nimbostratus
D)   cirrusE) B) and D)
F) A) and B)

Question 4

The energy of a mid- latitude cyclone comes mainly from:

Accepted Answer

A)   Earth's interior.
B)   clouds.
C)   sinking cold air and rising warm air.
D)   greenhouse effect.
E)   ocean water.F) B) and D)
G) C) and D)

Question 5

The FIRST sign of an approaching warm front is the appearance of nimbostratus clouds.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following lists the stages of the mid- latitude cyclone life cycle in the proper order?

Accepted Answer

A)   cyclogenesis, open- wave, dissipation, occlusion
B)   open- wave, occlusion, cyclogenesis, dissipation
C)   occlusion, dissipation, open- wave, cyclogenesis
D)   cyclogenesis, open- wave, occlusion, dissipationE) All of the above
F) C) and D)

Question 7

A dryline causes uplift to occur because:

Accepted Answer

A)   the lifted air mass is moister than the intruding air mass.
B)   the intruding air mass has the same low humidity as the lifted air mass.
C)   the intruding air mass is colder and more humid than the lifted air mass.
D)   the lifted air mass is dryer than the intruding air mass.E) A) and C)
F) A) and D)

Question 8

Why does occlusion lead to the demise of a mid- latitude cyclone?

Accepted Answer

A)   The cold cP air mass driving the cyclone has warmed intensely.
B)   The mT air mass has cooled through air mass modification.
C)   All of the warm air has been lifted aloft.
D)   The cold front stops progressing during occlusion.E) None of the above
F) C) and D)

Question 9

After a cold front passes, which of these does NOT usually occur?

Accepted Answer

A)   clearing skies
B)   wind direction shift
C)   falling barometer
D)   marked temperature dropE) B) and D)
F) C) and D)

Question 10

All of the following are common locations for cyclongenesis EXCEPT for:

Accepted Answer

A)   the Gulf of Mexico.
B)   the Great Lakes region.
C)   the North Pacific.
D)   the eastern side of the Rocky Mountains.E) A) and C)
F) A) and B)

Question 11

The wind direction in a low pressure system is:

Accepted Answer

A)   from the north.
B)   from the northwest.
C)   from the south.
D)   from the east.
E)   dependent on your location relative to the storm center.F) C) and E)
G) A) and B)

Question 12

Each of the statements refers to the approach or to the passage of a front. If the statement refers to the approach of a typical cold front, use the letter A for your answer. If the statement refers to the approach or passage of a typical warm front, use the letter B. If the statement applies to both, answer with letter C.
-Long lasting, steady rainfall

Accepted Answer

The answer of Each of the statements refers to the...

Question 13

The development of major winter storms in the midwest depends strongly on:

Accepted Answer

A)   air mass contrasts.
B)   wind speed near the surface.
C)   rainfall amounts during the previous fall.
D)   amount of snow already on the ground.
E)   wind speed aloft.F) B) and D)
G) A) and E)

Question 14

People usually pay more attention to cyclones than they do to anticyclones.

Accepted Answer

A) True 
 B)False

Question 15

Occluded fronts characterize the beginning stages of a middle latitude cyclone.

Accepted Answer

A) True 
 B)False

Question 16

In the United States, the air mass most commonly found at the back of a cold front is:

Accepted Answer

A)   mP.
B)   cT.
C)   mT.
D)   cP.E) All of the above
F) A) and C)

Question 17

A ridge aloft is generally associated with:

Accepted Answer

A)   anticyclonic flow at the surface.
B)   stormy weather.
C)   cyclonic flow at the surface.
D)   divergence of the jet stream.E) B) and D)
F) B) and C)

Question 18

Surface winds for an anticyclone are convergent.

Accepted Answer

A) True 
 B)False

Question 19

Typically, upper- level air flow is slower over anticyclones than over cyclones.

Accepted Answer

A) True 
 B)False

Question 20

Compared to warm fronts, cold fronts have:

Accepted Answer

A)   the same gradient and a faster advance rate.
B)   a shallower gradient and a slower advance rate.
C)   a steeper gradient and a faster advance rate.
D)   a shallower gradient and the same advance rate.
E)   the same gradient and the same advance rate.F) All of the above
G) C) and E)

Exam 9: Weather Patterns

Why does occlusion lead to the demise of a mid- latitude cyclone?

Correct Answer
verified

Which of the following lists the stages of the mid- latitude cyclone life cycle in the proper order?

Correct Answer
verified

In the United States, the air mass most commonly found at the back of a cold front is:

Correct Answer
verified

The development of major winter storms in the midwest depends strongly on:

Correct Answer
verified

Typically, upper- level air flow is slower over anticyclones than over cyclones.

Correct Answer
verified

A wind shift in a clockwise direction, as from south to west, is termed wind shift.

Correct Answer
verified

A dryline causes uplift to occur because:

Correct Answer
verified

People usually pay more attention to cyclones than they do to anticyclones.

Correct Answer
verified

-Refer to the diagram of a front shown above. If the warm air at the back is stable, what kind of cloud is most likely to form and produce precipitation in association with the front?

Correct Answer
verified

Occluded fronts characterize the beginning stages of a middle latitude cyclone.

Correct Answer
verified

All of the following are common locations for cyclongenesis EXCEPT for:

Correct Answer
verified

Middle- latitude anticyclones in the Northern Hemisphere:

Correct Answer
verified

The FIRST sign of an approaching warm front is the appearance of nimbostratus clouds.

Correct Answer
verified

After a cold front passes, which of these does NOT usually occur?

Correct Answer
verified

The energy of a mid- latitude cyclone comes mainly from:

Correct Answer
verified

A ridge aloft is generally associated with:

Correct Answer
verified

Correct Answer
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The wind direction in a low pressure system is:

Correct Answer
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Compared to warm fronts, cold fronts have:

Correct Answer
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Surface winds for an anticyclone are convergent.

Correct Answer
verified

Exam 9: Weather Patterns

Why does occlusion lead to the demise of a mid- latitude cyclone?

Correct AnswerverifiedShow Answer

Which of the following lists the stages of the mid- latitude cyclone life cycle in the proper order?

Correct AnswerverifiedShow Answer

In the United States, the air mass most commonly found at the back of a cold front is:

Correct AnswerverifiedShow Answer

The development of major winter storms in the midwest depends strongly on:

Correct AnswerverifiedShow Answer

Typically, upper- level air flow is slower over anticyclones than over cyclones.

Correct AnswerverifiedShow Answer

A wind shift in a clockwise direction, as from south to west, is termed wind shift.

Correct AnswerverifiedShow Answer

A dryline causes uplift to occur because:

Correct AnswerverifiedShow Answer

People usually pay more attention to cyclones than they do to anticyclones.

Correct AnswerverifiedShow Answer

-Refer to the diagram of a front shown above. If the warm air at the back is stable, what kind of cloud is most likely to form and produce precipitation in association with the front?

Correct AnswerverifiedShow Answer

Occluded fronts characterize the beginning stages of a middle latitude cyclone.

Correct AnswerverifiedShow Answer

All of the following are common locations for cyclongenesis EXCEPT for:

Correct AnswerverifiedShow Answer

Middle- latitude anticyclones in the Northern Hemisphere:

Correct AnswerverifiedShow Answer

The FIRST sign of an approaching warm front is the appearance of nimbostratus clouds.

Correct AnswerverifiedShow Answer

After a cold front passes, which of these does NOT usually occur?

Correct AnswerverifiedShow Answer

The energy of a mid- latitude cyclone comes mainly from:

Correct AnswerverifiedShow Answer

A ridge aloft is generally associated with:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The wind direction in a low pressure system is:

Correct AnswerverifiedShow Answer

Compared to warm fronts, cold fronts have:

Correct AnswerverifiedShow Answer

Surface winds for an anticyclone are convergent.

Correct AnswerverifiedShow Answer

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