Question 1

According to the Intergovernmental Panel on Climate Change (IPCC) ,continued warming of Earth's climate will likely lead to ________ in the Northern Hemisphere.

Accepted Answer

A)  a southward displacement of mid-latitude cyclone tracks
B)  a northward displacement of mid-latitude cyclone tracks
C)  an extremely erratic movement of all mid-latitude cyclones
D)  no change in the tracks of mid-latitude cyclones

Question 2

Vorticity is a measure of

Accepted Answer

A)  rotation.
B)  wave angle.
C)  electrical resistance in the atmosphere.
D)  the earth's orbital wobble.

Question 3

Rising air is usually associated with a(n) ________ while sinking air is usually associated with a ________.

Accepted Answer

A)  trough; ridge
B)  ridge; trough
C)  high pressure system; low pressure system
D)  inversion; neutral atmosphere

Question 4

Describe the weather changes that would likely occur as a mid-latitude cyclone passes over a given location,beginning with the approach of the warm front.

Accepted Answer

Cirrus-type clouds appear as the warm fr...

Question 5

Which of the following is true of the upper-level flow patterns shown in the figure?

Accepted Answer

A)  The top pattern is associated with a middle-latitude cyclone due to its areas of convergence, divergence and temperature advection.
B)  The top pattern is associated with a middle-latitude cyclone due to its lack of areas of convergence, divergence and temperature advection.
C)  The bottom pattern is associated with a middle-latitude cyclone due to its areas of convergence, divergence and temperature advection.
D)  The bottom pattern is associated with a middle-latitude cyclone due to lack of areas of convergence, divergence and temperature advection.

Question 6

Explain the physical processes behind speed divergence,speed convergence,diffluence,and confluence.

Accepted Answer

Speed divergence and speed convergence o...

Question 7

Explain the relationship between cold fronts and the formation of upper-level troughs.

Accepted Answer

Rossby waves consist of large,alternatin...

Question 8

Anticyclones

Accepted Answer

A)  often bring calm weather.
B)  are not affected by upper-level conditions to the same degree as cyclones are.
C)  rarely remain in one place for more than a few hours.
D)  only appear in the Southern Hemisphere.

Question 9

The three-dimensional nature of mid-latitude cyclones is depicted best by

Accepted Answer

A)  polar front theory.
B)  Rossby waves.
C)  short waves.
D)  the conveyor belt model.

Question 10

Midlatitude cyclones

Accepted Answer

A)  are commonly experienced by all people living outside the tropics.
B)  are commonly experienced by all people living within the tropics.
C)  are rare events confined to the tropics.
D)  are rare events confined to the middle latitudes.

Question 11

The gap over Wisconsin separating the major cloud regions is a result of the

Accepted Answer

A)  cold conveyor belt.
B)  dry conveyor belt.
C)  warm conveyor belt.
D)  occluded front.

Question 12

Over the north Pacific Ocean,midlatitude cyclones approaching North America

Accepted Answer

A)  enter along western Canada and Alaska during summer and along southern California and Baja California during winter.
B)  enter along western Canada and Alaska during winter and along southern California and Baja California during summer.
C)  enter along western Canada and Alaska during both summer and winter.
D)  enter along southern California and Baja California during both summer and winter.

Question 13

Discuss the life of a mid-latitude cyclone as described by cyclogenesis.

Accepted Answer

Initially,the polar front separates the ...

Question 14

A surface low-pressure system that results from motions in the upper troposphere is called a ________.

Accepted Answer

The answer of A surface low-pressure system that results from...

Question 15

Given the implications of the hydrostatic equation,we would expect that

Accepted Answer

A)  pressure be independent of altitude.
B)  cold, dense air would have a greater vertical pressure gradient than would warm, light air.
C)  differences in temperature on either side of a cold front should not have any significant effect on upper-level pressure.
D)  differences in temperature on either side of a warm front should not have any significant effect on upper-level pressure.

Question 16

Vilhelm Bjerknes

Accepted Answer

A)  helped develop a modern theory of the formation, growth, and dissipation of mid-latitude cyclones.
B)  helped discredit the Norwegian cyclone model.
C)  opposed polar front theory.
D)  focused on tropical storm development.

Question 17

________ motions within anticyclones generally bring ________ skies.

Accepted Answer

A)  Sinking; cloudy
B)  Sinking; clear
C)  Rising; cloudy
D)  Rising; clear

Question 18

Divergence and diffluence

Accepted Answer

A)  are vastly different.
B)  are complimentary.
C)  cannot coexist.
D)  are confusing to most forecasters.

Question 19

The development of a Mid-latitude Cyclone is called

Accepted Answer

A)  Frontolysis.
B)  Frontogenesis.
C)  Cyclogenesis.
D)  Mid-latitude bombs.

Question 20

A mid-latitude cyclone reaches its most intense stage when

Accepted Answer

A)  the storm moves over water.
B)  the storm moves over cold air.
C)  the storm system undergoes occlusion.
D)  the warm sector reaches its maximum strength.

Exam 10: Midlatitude Cyclones

Midlatitude cyclones

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Given the implications of the hydrostatic equation,we would expect that

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Which of the following is true of the upper-level flow patterns shown in the figure?

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According to the Intergovernmental Panel on Climate Change (IPCC) ,continued warming of Earth's climate will likely lead to ________ in the Northern Hemisphere.

Correct AnswerverifiedShow Answer

A surface low-pressure system that results from motions in the upper troposphere is called a ________.

Correct AnswerverifiedShow Answer

Divergence and diffluence

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Describe the weather changes that would likely occur as a mid-latitude cyclone passes over a given location,beginning with the approach of the warm front.

Correct AnswerverifiedCirrus-type clouds appear as the warm fr...View AnswerShow Answer

Anticyclones

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Discuss the life of a mid-latitude cyclone as described by cyclogenesis.

Correct AnswerverifiedInitially,the polar front separates the ...View AnswerShow Answer

Over the north Pacific Ocean,midlatitude cyclones approaching North America

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The three-dimensional nature of mid-latitude cyclones is depicted best by

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Vorticity is a measure of

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Explain the physical processes behind speed divergence,speed convergence,diffluence,and confluence.

Correct AnswerverifiedSpeed divergence and speed convergence o...View AnswerShow Answer

The gap over Wisconsin separating the major cloud regions is a result of the

Correct AnswerverifiedShow Answer

Explain the relationship between cold fronts and the formation of upper-level troughs.

Correct AnswerverifiedRossby waves consist of large,alternatin...View AnswerShow Answer

Rising air is usually associated with a(n) ________ while sinking air is usually associated with a ________.

Correct AnswerverifiedShow Answer

A mid-latitude cyclone reaches its most intense stage when

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Vilhelm Bjerknes

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The development of a Mid-latitude Cyclone is called

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________ motions within anticyclones generally bring ________ skies.

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Cirrus-type clouds appear as the warm fr...
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Initially,the polar front separates the ...
View Answer

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Speed divergence and speed convergence o...
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Rossby waves consist of large,alternatin...
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Rising air is usually associated with a(n) while sinking air is usually associated with a .

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motions within anticyclones generally bring skies.

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