Question 1

A completely dry air parcel which first rises and cools,and subsequently sinks and warms,is undergoing

Accepted Answer

A)   an irreversible pseudoadiabatic process.
B)   a reversible adiabatic process.
C)   an irreversible adiabatic process.D) A) and B)
E) A) and C)

Question 2

Which of the following environmental lapse rates would represent the most unstable atmosphere in a layer of unsaturated air?

Accepted Answer

A)   3 C per 1,000 m
B)   6 C per 1,000 m
C)   9 C per 1,000 m
D)   11 C per 1,000 mE) C) and D)
F) A) and C)

Question 3

If the environmental lapse rate is less than the moist adiabatic rate,the atmosphere is

Accepted Answer

A)   conditionally unstable.
B)   absoutely stable.
C)   absolutely unstable.
D)   neutrally stable.E) B) and D)
F) A) and B)

Question 4

An air parcel that is warmer than its surroundings will rise.What force accounts for this upward motion?

Accepted Answer

An air parcel that is warmer than its su...

Question 5

Which of the following set of surface conditions would produce a convective cumulus cloud with the highest base?

Accepted Answer

A)   air temperature 40 C,dew point 30 C
B)   air temperature 25 C,dew point 10 C
C)   air temperature 35 C,dew point 10 C
D)   air temperature 45 C,dew point 25 C
E)   air temperature 25 C,dew point 5 CF) A) and B)
G) None of the above

Question 6

The dry adiabatic lapse rate is ____ greater than the moist adiabatic lapse rate.

Accepted Answer

A)   never
B)   sometimes
C)   alwaysD) All of the above
E) B) and C)

Question 7

Most thunderstorms do not extend very far into the stratosphere because the air in the stratosphere is

Accepted Answer

A)   unstable.
B)   stable.
C)   too cold.
D)   too thin.
E)   too dry.F) A) and E)
G) C) and E)

Question 8

Cumulonimbus clouds indicate unstable atmospheric conditions.What stops the upward growth and causes the top of a cumulonimbus cloud to flatten out into an anvil?

Accepted Answer

The answer of Cumulonimbus clouds indicate unstable atmospheric conditions.What stops...

Question 9

An example of orographic clouds would be

Accepted Answer

A)   clouds forming over a warm ocean current.
B)   clouds forming on the windward slope of a mountain.
C)   clouds forming behind a jet airplane.
D)   clouds formed by surface heating.E) A) and D)
F) B) and C)

Question 10

In a sky filled with scattered cumulus humilis clouds,rising motions are found ____ the clouds and sinking motions are found ____ the clouds.

Accepted Answer

A)   between,under
B)   under,between
C)   under,under
D)   between,betweenE) None of the above
F) A) and D)

Question 11

If you were to take a trip during the summer from Ohio to Nevada,you would most likely observe that afternoon cumulus clouds ____ as you travel west.

Accepted Answer

A)   have higher cloud bases
B)   are larger
C)   form earlier in the day
D)   disappearE) C) and D)
F) B) and C)

Question 12

A rising parcel of air that does not exchange heat with its surroundings is an example of

Accepted Answer

A)   isothermal ascent.
B)   an adiabatic process.
C)   forced lifting.
D)   advection.E) A) and B)
F) None of the above

Question 13

An example of orographic clouds would be

Accepted Answer

A)   cumulus clouds produced by surface heating.
B)   rotor clouds.
C)   lee-wave clouds.
D)   clouds that form on the upwind slope of a mountain.
E)   pileus clouds.F) A) and B)
G) A) and C)

Question 14

The dry adiabatic rate is the rate at which

Accepted Answer

A)   an air parcel rises.
B)   temperature changes in a rising or descending parcel of unsaturated air.
C)   volume changes when a parcel expands or is compressed.
D)   latent heat energy is released in a rising air parcel.E) None of the above
F) C) and D)

Question 15

Air which resists vertical displacements is considered to be

Accepted Answer

A)   stable.
B)   unstable.
C)   neutral.D) A) and C)
E) A) and B)

Question 16

If an air parcel is given a small push upward and it falls back to its original position,the atmosphere is said to be:

Accepted Answer

A)   stable.
B)   unstable.
C)   isothermal.
D)   neutral.
E)   adiabatic.F) B) and D)
G) A) and E)

Question 17

The environmental lapse rate is almost always the same as the adiabatic lapse rate.

Accepted Answer

A) True 
 B)False

Question 18

Which condition below could make a layer of air more unstable?

Accepted Answer

A)   Mix the air in the layer.
B)   Lift the entire air layer.
C)   Cool the upper part of the layer.
D)   all of the aboveE) B) and C)
F) A) and D)

Question 19

If a parcel of unsaturated air with a temperature of 30 C rises from the surface to an altitude of 1,000 m,the unsaturated parcel temperature at this altitude would be about

Accepted Answer

A)   10 C warmer than at the surface.
B)   10 C colder than at the surface.
C)   6 C colder than at the surface.
D)   impossible to tell from the data givenE) A) and B)
F) A) and C)

Question 20

Explain why the surface air on the downwind side of a mountain can be drier than the surface air on the upwind side.What is this effect called? Can you think of a location in the United States where this might actually occur?

Accepted Answer

The surface air on the downwind side of ...

Exam 6: Stability and Cloud Development

Which condition below could make a layer of air more unstable?

Correct AnswerverifiedShow Answer

If the environmental lapse rate is less than the moist adiabatic rate,the atmosphere is

Correct AnswerverifiedShow Answer

A completely dry air parcel which first rises and cools,and subsequently sinks and warms,is undergoing

Correct AnswerverifiedShow Answer

If an air parcel is given a small push upward and it falls back to its original position,the atmosphere is said to be:

Correct AnswerverifiedShow Answer

An example of orographic clouds would be

Correct AnswerverifiedShow Answer

A rising parcel of air that does not exchange heat with its surroundings is an example of

Correct AnswerverifiedShow Answer

An example of orographic clouds would be

Correct AnswerverifiedShow Answer

Explain why the surface air on the downwind side of a mountain can be drier than the surface air on the upwind side.What is this effect called? Can you think of a location in the United States where this might actually occur?

Correct AnswerAnswered by ExamLex AIThe surface air on the downwind side of ...View AnswerShow Answer

The dry adiabatic lapse rate is ____ greater than the moist adiabatic lapse rate.

Correct AnswerverifiedShow Answer

An air parcel that is warmer than its surroundings will rise.What force accounts for this upward motion?

Correct AnswerAnswered by ExamLex AIAn air parcel that is warmer than its su...View AnswerShow Answer

The environmental lapse rate is almost always the same as the adiabatic lapse rate.

Correct AnswerverifiedShow Answer

If a parcel of unsaturated air with a temperature of 30 C rises from the surface to an altitude of 1,000 m,the unsaturated parcel temperature at this altitude would be about

Correct AnswerverifiedShow Answer

Most thunderstorms do not extend very far into the stratosphere because the air in the stratosphere is

Correct AnswerverifiedShow Answer

Which of the following environmental lapse rates would represent the most unstable atmosphere in a layer of unsaturated air?

Correct AnswerverifiedShow Answer

The dry adiabatic rate is the rate at which

Correct AnswerverifiedShow Answer

In a sky filled with scattered cumulus humilis clouds,rising motions are found ____ the clouds and sinking motions are found ____ the clouds.

Correct AnswerverifiedShow Answer

If you were to take a trip during the summer from Ohio to Nevada,you would most likely observe that afternoon cumulus clouds ____ as you travel west.

Correct AnswerverifiedShow Answer

Cumulonimbus clouds indicate unstable atmospheric conditions.What stops the upward growth and causes the top of a cumulonimbus cloud to flatten out into an anvil?

Correct AnswerverifiedShow Answer

Air which resists vertical displacements is considered to be

Correct AnswerverifiedShow Answer

Which of the following set of surface conditions would produce a convective cumulus cloud with the highest base?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The surface air on the downwind side of ...
View Answer

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
An air parcel that is warmer than its su...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

In a sky filled with scattered cumulus humilis clouds,rising motions are found the clouds and sinking motions are found the clouds.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified