Question 1

Jet streaks often occur away from jet streams.

Accepted Answer

A) True 
 B)False

Question 2

Describe some of the ways in which the upper-level wind flow pattern can influence the development and movement of a middle latitude storm system.

Accepted Answer

The upper-level wind flow pattern can gr...

Question 3

Draw a sketch of a 500 mb chart that clearly shows a trough and a ridge.Where would you expect to find the maximum and minimum values of absolute vorticity? Where would you expect to find converging and diverging wind motions?

Accepted Answer

To draw a sketch of a 500 mb chart showi...

Question 4

When making a weather forecast,which kind of chart is more important: a surface chart or a 500 mb chart?

Accepted Answer

When making a weather forecast, both sur...

Question 5

If we assume that the absolute vorticity of flowing air is conserved,air moving northeastward will bend ____ to compensate for the ____ in the earth's vorticity.

Accepted Answer

A)   anticyclonically,decrease
B)   anticyclonically,increase
C)   cyclonically,increase
D)   cyclonically,decrease

Question 6

How can shortwaves be identified and followed on 500 mb charts?

Accepted Answer

The answer of How can shortwaves be identified and followed...

Question 7

List two regions in the United States where cyclogenesis is common.Why does cyclogenesis preferentially occur in these areas?

Accepted Answer

Cyclogenesis, the development or strengt...

Question 8

In the Southern Hemisphere,convergence and divergence don't play a role in the development of middle latitude cyclones.

Accepted Answer

A) True 
 B)False

Question 9

The entrance region occurs ____________ of a jet streak,while the exit region occurs _________ of the jet streak.

Accepted Answer

A)   downwind,upwind
B)   upwind,downwind
C)   ahead,above
D)   downwind,above

Question 10

Explain how cyclogenesis works.

Accepted Answer

Cyclogenesis is the process by which a c...

Question 11

An upper-level pool of cold air that has broken away from the main flow is called

Accepted Answer

A)   a cut-off low.
B)   a shortwave.
C)   a wave cyclone.
D)   a lee-side low.

Question 12

Why does middle latitude storm development occur beneath troughs rather than ridges on a 500 mb chart?

Accepted Answer

The answer of Why does middle latitude storm development occur...

Question 13

If the flow of air into a surface low pressure area is greater than the divergence of air aloft,the surface pressure in the center of the low will

Accepted Answer

A)   increase.
B)   decrease.
C)   remain the same.
D)   deepen.

Question 14

Describe or illustrate the various phases in the life cycle of a middle latitude storm according to the polar front theory.

Accepted Answer

The answer of Describe or illustrate the various phases in...

Question 15

The type of weather system known as a "mid-latitude cyclone" cannot form over the tropical ocean because:

Accepted Answer

A)   surface temperature contrasts are not large.
B)   the ocean surface has a lot of waves.
C)   the Coriolis force is weak in the tropics.
D)   both surface temperature contrasts are not large and the ocean surface has a lot of waves.
E)   both surface temperature contrasts are not large and the Coriolis force is weak in the tropics.

Question 16

Which below is not a name given to a large cyclonic storm system that forms in the middle latitudes?

Accepted Answer

A)   middle latitude cyclone
B)   extratropical cyclone
C)   wave cyclone
D)   anticyclone

Question 17

In the polar front theory of a developing wave cyclone,energy for the storm is usually derived from all but one of the following:

Accepted Answer

A)   rising of warm air and the sinking of cold air
B)   latent heat of condensation
C)   an increase in surface winds
D)   heat energy stored in the ground

Question 18

How do shortwaves differ from a longwaves in the development of middle latitude storms?

Accepted Answer

Shortwaves and longwaves are terms used ...

Question 19

Vorticity is always present in the atmosphere,even during fair weather.

Accepted Answer

A) True 
 B)False

Question 20

When an upper-level low lies directly above a surface low,

Accepted Answer

A)   the surface low will probably weaken.
B)   thunderstorms will develop.
C)   a wave cyclone will begin to form.
D)   the pressure of the surface low will decrease.
E)   cyclogenesis will occur.

Exam 12: Middle-Latitude Cyclones

Draw a sketch of a 500 mb chart that clearly shows a trough and a ridge.Where would you expect to find the maximum and minimum values of absolute vorticity? Where would you expect to find converging and diverging wind motions?

Correct AnswerAnswered by ExamLex AITo draw a sketch of a 500 mb chart showi...View AnswerShow Answer

Vorticity is always present in the atmosphere,even during fair weather.

Correct AnswerverifiedShow Answer

Describe some of the ways in which the upper-level wind flow pattern can influence the development and movement of a middle latitude storm system.

Correct AnswerAnswered by ExamLex AIThe upper-level wind flow pattern can gr...View AnswerShow Answer

How can shortwaves be identified and followed on 500 mb charts?

Correct AnswerverifiedShow Answer

Explain how cyclogenesis works.

Correct AnswerAnswered by ExamLex AICyclogenesis is the process by which a c...View AnswerShow Answer

When an upper-level low lies directly above a surface low,

Correct AnswerverifiedShow Answer

Why does middle latitude storm development occur beneath troughs rather than ridges on a 500 mb chart?

Correct AnswerverifiedShow Answer

List two regions in the United States where cyclogenesis is common.Why does cyclogenesis preferentially occur in these areas?

Correct AnswerAnswered by ExamLex AICyclogenesis, the development or strengt...View AnswerShow Answer

When making a weather forecast,which kind of chart is more important: a surface chart or a 500 mb chart?

Correct AnswerAnswered by ExamLex AIWhen making a weather forecast, both sur...View AnswerShow Answer

The entrance region occurs ____________ of a jet streak,while the exit region occurs _________ of the jet streak.

Correct AnswerverifiedShow Answer

The type of weather system known as a "mid-latitude cyclone" cannot form over the tropical ocean because:

Correct AnswerverifiedShow Answer

If we assume that the absolute vorticity of flowing air is conserved,air moving northeastward will bend ____ to compensate for the ____ in the earth's vorticity.

Correct AnswerverifiedShow Answer

In the Southern Hemisphere,convergence and divergence don't play a role in the development of middle latitude cyclones.

Correct AnswerverifiedShow Answer

If the flow of air into a surface low pressure area is greater than the divergence of air aloft,the surface pressure in the center of the low will

Correct AnswerverifiedShow Answer

In the polar front theory of a developing wave cyclone,energy for the storm is usually derived from all but one of the following:

Correct AnswerverifiedShow Answer

An upper-level pool of cold air that has broken away from the main flow is called

Correct AnswerverifiedShow Answer

How do shortwaves differ from a longwaves in the development of middle latitude storms?

Correct AnswerAnswered by ExamLex AIShortwaves and longwaves are terms used ...View AnswerShow Answer

Jet streaks often occur away from jet streams.

Correct AnswerverifiedShow Answer

Describe or illustrate the various phases in the life cycle of a middle latitude storm according to the polar front theory.

Correct AnswerverifiedShow Answer

Which below is not a name given to a large cyclonic storm system that forms in the middle latitudes?

Correct AnswerverifiedShow Answer

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To draw a sketch of a 500 mb chart showi...
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The upper-level wind flow pattern can gr...
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Cyclogenesis is the process by which a c...
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Correct Answer
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Correct Answer
Answered by ExamLex AI
Cyclogenesis, the development or strengt...
View Answer

Correct Answer
Answered by ExamLex AI
When making a weather forecast, both sur...
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The entrance region occurs ____ of a jet streak,while the exit region occurs _ of the jet streak.

Correct Answer
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If we assume that the absolute vorticity of flowing air is conserved,air moving northeastward will bend to compensate for the in the earth's vorticity.

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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
Answered by ExamLex AI
Shortwaves and longwaves are terms used ...
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