Question 1

How would a warm front,a cold front,and a center of low pressure appear on a surface weather map in the Southern Hemisphere?

Accepted Answer

On a surface weather map, warm fronts, c...

Question 2

Before the passage of a cold front the pressure normally __________,and after the passage of a cold front the pressure normally __________.

Accepted Answer

A)  drops,drops
B)  drops,rises
C)  rises,rises
D)  rises,dropsE) A) and C)
F) A) and B)

Question 3

The origin of cP and cA air masses that enter the United States is northern Siberia.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following statements is most plausible?

Accepted Answer

A)  In winter,cP source regions have higher temperatures than mT source regions.
B)  In summer,mP source regions have higher temperatures than cT source regions.
C)  In winter,cA source regions have lower temperatures than cP source regions.
D)  In summer,mT source regions have lower temperatures than mP source regions.
E)  All the statements are equally plausible.F) None of the above
G) C) and D)

Question 5

Occluded fronts may form as:

Accepted Answer

A)  a cold front overtakes a warm front.
B)  a warm front overtakes a cold front.
C)  a cold front overtakes a squall line.
D)  overrunning occurs along a warm front.E) A) and C)
F) B) and C)

Question 6

During the winter as you travel toward a warm front,the most likely sequence of weather you would experience is:

Accepted Answer

A)  snow,freezing rain,hail,sleet.
B)  rain,snow,sleet,freezing rain.
C)  freezing rain,snow,sleet,rain.
D)  snow,sleet,freezing rain,rain.E) C) and D)
F) None of the above

Question 7

Fronts are associated with high pressure.

Accepted Answer

A) True 
 B)False

Question 8

The greatest contrast in both temperature and moisture will occur along the boundary separating which air masses?

Accepted Answer

A)  cP and cT
B)  mP and mT
C)  mP and cT
D)  mT and cP
E)  cT and mTF) A) and C)
G) None of the above

Question 9

The rising of warm air up and over cold air is called overrunning.

Accepted Answer

A) True 
 B)False

Question 10

A dryline is a stalled cold front.

Accepted Answer

A) True 
 B)False

Question 11

What type of weather front would be responsible for the following weather forecast: "Increasing cloudiness and warm today with the possibility of showers by this evening.Turning much colder tonight.Winds southwesterly becoming gusty and shifting to northwesterly by tonight."

Accepted Answer

A)  cold front
B)  warm front
C)  cold-type occluded front
D)  stationary frontE) C) and D)
F) None of the above

Question 12

An air mass is characterized by similar properties of __________ and __________ in any horizontal direction

Accepted Answer

A)  temperature,pressure
B)  pressure,moisture
C)  winds,moisture
D)  temperature,moistureE) A) and B)
F) A) and C)

Question 13

Which air mass would show the most dramatic change in both temperature and moisture content as it moves over a large body of very warm water?

Accepted Answer

A)  cT in summer
B)  cP in winter
C)  mP in winter
D)  mT in summerE) None of the above
F) A) and D)

Question 14

One would expect a cP air mass to be:

Accepted Answer

A)  cold and dry.
B)  cold and moist.
C)  warm and dry.
D)  warm and moist.E) None of the above
F) B) and C)

Question 15

What type of air mass would be responsible for refreshing cool,dry breezes after a long summer hot spell in the Central Plains?

Accepted Answer

A)  mP
B)  mT
C)  cP
D)  cTE) B) and D)
F) None of the above C

Question 16

A cold front that moves into New England from the east or northeast is called:

Accepted Answer

A)  a cold occluded front.
B)  an oceanic front.
C)  a nor'easter.
D)  a "back door" cold front.E) A) and C)
F) A) and B)

Question 17

What types of weather changes accompany the passage of a dryline (dew point front)?

Accepted Answer

no answer

Question 18

In the Southern Hemisphere,

Accepted Answer

A)  air rises steeply ahead of a warm front,and gradually ahead of a cold front.
B)  cold,warm and occluded fronts are associated with high pressure systems.
C)  precipitation associated with warm fronts tends to be brief and intense.
D)  precipitation associated with warm fronts tends to be gentle and prolonged.E) All of the above
F) B) and D) D

Question 19

A good source region for an air mass would be:

Accepted Answer

A)  mountains with deep valleys and strong surface winds.
B)  generally flat areas of uniform composition with light surface winds.
C)  hilly with deep valleys and light winds.
D)  generally flat area of uniform composition with strong surface winds.E) All of the above
F) B) and D)

Question 20

During the winter,an air mass that moves into coastal sections of Oregon and Washington from the northwest would most likely be maritime Polar.

Accepted Answer

A) True 
 B)False

Exam 9: Air Masses and Fronts

How would a warm front,a cold front,and a center of low pressure appear on a surface weather map in the Southern Hemisphere?

Correct AnswerAnswered by ExamLex AIOn a surface weather map, warm fronts, c...View AnswerShow Answer

Before the passage of a cold front the pressure normally __________,and after the passage of a cold front the pressure normally __________.

Correct AnswerverifiedShow Answer

The origin of cP and cA air masses that enter the United States is northern Siberia.

Correct AnswerverifiedShow Answer

Which of the following statements is most plausible?

Correct AnswerverifiedShow Answer

Occluded fronts may form as:

Correct AnswerverifiedShow Answer

During the winter as you travel toward a warm front,the most likely sequence of weather you would experience is:

Correct AnswerverifiedShow Answer

Fronts are associated with high pressure.

Correct AnswerverifiedShow Answer

The greatest contrast in both temperature and moisture will occur along the boundary separating which air masses?

Correct AnswerverifiedShow Answer

The rising of warm air up and over cold air is called overrunning.

Correct AnswerverifiedShow Answer

A dryline is a stalled cold front.

Correct AnswerverifiedShow Answer

What type of weather front would be responsible for the following weather forecast: "Increasing cloudiness and warm today with the possibility of showers by this evening.Turning much colder tonight.Winds southwesterly becoming gusty and shifting to northwesterly by tonight."

Correct AnswerverifiedShow Answer

An air mass is characterized by similar properties of __________ and __________ in any horizontal direction

Correct AnswerverifiedShow Answer

Which air mass would show the most dramatic change in both temperature and moisture content as it moves over a large body of very warm water?

Correct AnswerverifiedShow Answer

One would expect a cP air mass to be:

Correct AnswerverifiedShow Answer

What type of air mass would be responsible for refreshing cool,dry breezes after a long summer hot spell in the Central Plains?

Correct AnswerverifiedC

A cold front that moves into New England from the east or northeast is called:

Correct AnswerverifiedShow Answer

What types of weather changes accompany the passage of a dryline (dew point front)?

Correct Answerverifiedno answer

In the Southern Hemisphere,

Correct AnswerverifiedD

A good source region for an air mass would be:

Correct AnswerverifiedShow Answer

During the winter,an air mass that moves into coastal sections of Oregon and Washington from the northwest would most likely be maritime Polar.

Correct AnswerverifiedShow Answer

Correct Answer
Answered by ExamLex AI
On a surface weather map, warm fronts, c...
View Answer

Before the passage of a cold front the pressure normally ,and after the passage of a cold front the pressure normally .

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An air mass is characterized by similar properties of and in any horizontal direction

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C

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no answer

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D

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