Question 1

Upper-level air that flows straight from west to east across the United States

Accepted Answer

A)  favors formation of strong cyclones.
B)  is associated with meridional patterns.
C)  does not have pronounced vorticity characteristics.
D)  is breaking the normal upper-wind flow pattern from east to west.E) A) and B)
F) A) and C)

Question 2

It is true that

Accepted Answer

A)  the surface level and upper level of the troposphere are two distinct layers.
B)  the Bjerknes model of cyclogenesis gives the best explanation for the formation and life of mid-latitude cyclones.
C)  upper-level divergence has little impact on the surface.
D)  the temperature at the surface can affect air flow at upper levels of the atmosphere.E) None of the above
F) C) and D)

Question 3

Name two common types of mid-latitude cyclones that travel across the United States.

Accepted Answer

any two of the following: Albe...

Question 4

The surface high and low pressure centers are steered by

Accepted Answer

A)  Rossby waves.
B)  upper level flows.
C)  jet streams.
D)  all of theseE) None of the above
F) B) and D)

Question 5

Temperature advection

Accepted Answer

A)  is not a significant factor in the upper atmosphere.
B)  is often detected through examination of the orientation of height contours and isotherms.
C)  refers to the vertical movement of warm air.
D)  always occurs simultaneously with temperature conduction.E) C) and D)
F) A) and B)

Question 6

The conveyor belt model

Accepted Answer

A)  looks at cyclones in two dimensions.
B)  has less explanatory power than does the cyclogenesis model.
C)  does not account for the comma-shaped cloud pattern often associated with cyclones.
D)  focuses on three major flows of air.E) None of the above
F) All of the above

Question 7

The Bergen scientists developed the idea of ________ to explain the formation of mid-latitude cyclones.

Accepted Answer

The answer of The Bergen scientists developed the idea of...

Question 8

Give the general properties of anticyclones and the typical weather associated with them.

Accepted Answer

Anticyclones foster clear skies and calm...

Question 9

Midlatitude cyclones are located

Accepted Answer

A)  farther to the north during summer.
B)  farther to the south during summer.
C)  at higher altitudes during summer.
D)  at higher altitudes during winter.E) None of the above
F) C) and D)

Question 10

Anticyclones have

Accepted Answer

A)  clockwise rotation in the northern hemisphere.
B)  clockwise rotation in the southern hemisphere.
C)  widespread areas of rising air in the northern hemisphere.
D)  widespread areas of rising air in the southern hemisphere.E) B) and C)
F) A) and D)

Question 11

Dynamic lows result from

Accepted Answer

A)  localized heating of the air from below.
B)  localized cooling of air from below.
C)  upper-tropospheric motions.
D)  lower-tropospheric motions.E) None of the above
F) A) and B)

Question 12

Cold,dense air will have a ________ vertical pressure gradient than will warm,light air.

Accepted Answer

The answer of Cold,dense air will have a ________ vertical...

Question 13

In a mid-latitude cyclone,________ clouds form just ahead of the cold front.

Accepted Answer

The answer of In a mid-latitude cyclone,________ clouds form just...

Question 14

This occurs when air stretches out horizontally due to variations in wind direction: ________.

Accepted Answer

The answer of This occurs when air stretches out horizontally...

Question 15

Which of the following is true of anticyclones?

Accepted Answer

A)  Their widespread sinking motions causes the air to cool.
B)  Their widespread rising motions causes the air to cool.
C)  Their widespread sinking motions causes the air to warm.
D)  Their widespread rising motions causes the air to warm.E) B) and D)
F) B) and C)

Question 16

Earth vorticity

Accepted Answer

A)  is greatest at the Equator.
B)  does not affect absolute vorticity.
C)  is a function of latitude.
D)  is vorticity relative to the earth's surface.E) All of the above
F) None of the above

Question 17

The two sources of relative vorticity are ________ and ________.

Accepted Answer

The answer of The two sources of relative vorticity are...

Question 18

Anticyclones

Accepted Answer

A)  are relatively unaffected by upper-level conditions.
B)  are only occasionally affected by upper-level conditions.
C)  are strongly affected by upper-level conditions.D) None of the above
E) All of the above

Question 19

As opposed to cyclones,________ are often associated with good weather.

Accepted Answer

The answer of As opposed to cyclones,________ are often associated...

Question 20

The area between the cold front and warm front in a Mid-latitude Cyclone is called the

Accepted Answer

A)  warm sector.
B)  storm sector.
C)  kill sector.
D)  chill sector.E) B) and D)
F) B) and C)

Exam 10: Midlatitude Cyclones

The conveyor belt model

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The Bergen scientists developed the idea of ________ to explain the formation of mid-latitude cyclones.

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Upper-level air that flows straight from west to east across the United States

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Midlatitude cyclones are located

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The two sources of relative vorticity are ________ and ________.

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Anticyclones

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The surface high and low pressure centers are steered by

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Anticyclones have

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It is true that

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Which of the following is true of anticyclones?

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This occurs when air stretches out horizontally due to variations in wind direction: ________.

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The area between the cold front and warm front in a Mid-latitude Cyclone is called the

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Dynamic lows result from

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Name two common types of mid-latitude cyclones that travel across the United States.

Correct Answerverifiedany two of the following: Albe...View AnswerShow Answer

Earth vorticity

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Cold,dense air will have a ________ vertical pressure gradient than will warm,light air.

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Give the general properties of anticyclones and the typical weather associated with them.

Correct AnswerverifiedAnticyclones foster clear skies and calm...View AnswerShow Answer

In a mid-latitude cyclone,________ clouds form just ahead of the cold front.

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As opposed to cyclones,________ are often associated with good weather.

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Temperature advection

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The two sources of relative vorticity are and .

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any two of the following: Albe...
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Anticyclones foster clear skies and calm...
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