Question 1

The difference between the "moist" and "dry" adiabatic rates is due to the fact that ____.

Accepted Answer

A)   saturated air is always unstable
B)   an unsaturated air parcel expands more rapidly than a saturated air parcel
C)   moist air weighs less than dry air
D)   latent heat is released by a rising parcel of saturated airE) A) and B)
F) A) and C)

Question 2

What set of conditions, working together, will make the atmosphere the most unstable ?

Accepted Answer

A)   cooling the surface and warming the air aloft
B)   cooling the surface and cooling the air aloft
C)   warming the surface and cooling the air aloft
D)   warming the surface and warming the air aloftE) All of the above
F) B) and C)

Question 3

What can the Doppler Radar do in addition to what conventional radars do?

Accepted Answer

A)   They can measure the temperature of cloud tops.
B)   They can provide a vertical view of a cloud's droplets and ice particles.
C)   They can measure the speed at which falling rain is moving vertically.
D)   They can measure the speed at which falling rain is moving horizontally.E) None of the above
F) A) and B)

Question 4

How is the stability of air determined?

Accepted Answer

The stability of the air is de...

Question 5

The ice crystal process of precipitation formation operates in the mixed ice and water phase region of a cold cloud where there are ice crystals and ____.

Accepted Answer

A)   supercooled drops
B)   updrafts and downdrafts
C)   cloud condensation nuclei
D)   positive and negative electrical chargesE) All of the above
F) A) and B)

Question 6

Suppose rain falls on one side of a street and not on the other side. This rain most likely fell from a ____.

Accepted Answer

A)   nimbostratus cloud
B)   stratus cloud
C)   cumulonimbus cloud
D)   altostratus cloudE) A) and B)
F) A) and C)

Question 7

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

Accepted Answer

A)   3 ° C per 1000 m
B)   6 ° C per 1000 m
C)   9 ° C per 1000 m
D)   11 ° C per 1000 mE) All of the above
F) A) and B)

Question 8

Instructions: Choose one answer from each pair of selections. During an OROGRAPHIC | ADIABATIC process, an air parcel warms or cools without exchanging energy with the surrounding environment.

Accepted Answer

The answer of Instructions: Choose one answer from each pair...

Question 9

If you observe large raindrops hitting the ground, you could probably say that the cloud overhead was ____ and had ____ updrafts.

Accepted Answer

A)   thick; weak
B)   thick; strong
C)   thin; weak
D)   thin; strongE) A) and C)
F) All of the above

Question 10

Which of the following cloud types would commonly be found downwind of a mountain?

Accepted Answer

A)   lenticular clouds
B)   anvil clouds
C)   mammatus clouds
D)   contrailsE) A) and B)
F) A) and C)

Question 11

Subsidence inversions are best developed with high pressure areas because the ____ air motions associated with them causes the air to ____.

Accepted Answer

A)   rising; cool
B)   sinking; cool
C)   rising; warm
D)   sinking; warmE) B) and D)
F) All of the above

Question 12

Supercooled water droplets are more plentiful than ice crystals in certain regions of cold clouds.

Accepted Answer

A) True 
 B)False

Question 13

Instructions: Choose one answer from each pair of selections. Stratiform clouds, such as stratus, altostratus, nimbostratus, and cirrostratus clouds, form in a STABLE | UNSTABLE atmosphere and grow mainly in a horizontal direction.

Accepted Answer

The answer of Instructions: Choose one answer from each pair...

Question 14

Falling raindrops are tear-shaped because that is the profile that minimizes air resistance.

Accepted Answer

A) True 
 B)False

Question 15

Explain why cumulus clouds are often observed to form, gradually disappear, and then reform in the same spot.

Accepted Answer

As cumulus clouds grow, they shade the g...

Question 16

What is the difference between rain and drizzle in terms of their size?

Accepted Answer

Falling drops of water greater...

Question 17

At the same subfreezing temperature, how does the saturation vapor pressure above water droplets differ from that above ice crystals?

Accepted Answer

At the same subfreezing temper...

Question 18

Which cloud type would most likely form in absolutely stable air?

Accepted Answer

A)   cumulus congestus
B)   cumulonimbus
C)   stratus
D)   altocumulusE) B) and C)
F) B) and D)

Question 19

Aircraft icing would be heaviest and most severe ____.

Accepted Answer

A)   in the cloud at warmer than freezing temperatures
B)   in the cloud at just below freezing temperatures
C)   in the cloud at well below freezing temperatures
D)   outside the cloud at below freezing temperaturesE) All of the above
F) C) and D)

Question 20

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 parcelE) A) and B)
F) B) and C)

Exam 5: Cloud Development and Precipitation

At the same subfreezing temperature, how does the saturation vapor pressure above water droplets differ from that above ice crystals?

Correct AnswerverifiedAt the same subfreezing temper...View AnswerShow Answer

Supercooled water droplets are more plentiful than ice crystals in certain regions of cold clouds.

Correct AnswerverifiedShow Answer

Instructions: Choose one answer from each pair of selections. Stratiform clouds, such as stratus, altostratus, nimbostratus, and cirrostratus clouds, form in a STABLE | UNSTABLE atmosphere and grow mainly in a horizontal direction.

Correct AnswerverifiedShow Answer

The difference between the "moist" and "dry" adiabatic rates is due to the fact that ____.

Correct AnswerverifiedShow Answer

What set of conditions, working together, will make the atmosphere the most unstable ?

Correct AnswerverifiedShow Answer

If you observe large raindrops hitting the ground, you could probably say that the cloud overhead was ____ and had ____ updrafts.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

How is the stability of air determined?

Correct AnswerverifiedThe stability of the air is de...View AnswerShow Answer

Explain why cumulus clouds are often observed to form, gradually disappear, and then reform in the same spot.

Correct AnswerverifiedAs cumulus clouds grow, they shade the g...View AnswerShow Answer

What can the Doppler Radar do in addition to what conventional radars do?

Correct AnswerverifiedShow Answer

What is the difference between rain and drizzle in terms of their size?

Correct AnswerverifiedFalling drops of water greater...View AnswerShow Answer

Aircraft icing would be heaviest and most severe ____.

Correct AnswerverifiedShow Answer

Which cloud type would most likely form in absolutely stable air?

Correct AnswerverifiedShow Answer

Suppose rain falls on one side of a street and not on the other side. This rain most likely fell from a ____.

Correct AnswerverifiedShow Answer

The ice crystal process of precipitation formation operates in the mixed ice and water phase region of a cold cloud where there are ice crystals and ____.

Correct AnswerverifiedShow Answer

The dry adiabatic rate is the rate at which ____.

Correct AnswerverifiedShow Answer

Subsidence inversions are best developed with high pressure areas because the ____ air motions associated with them causes the air to ____.

Correct AnswerverifiedShow Answer

Which of the following cloud types would commonly be found downwind of a mountain?

Correct AnswerverifiedShow Answer

Falling raindrops are tear-shaped because that is the profile that minimizes air resistance.

Correct AnswerverifiedShow Answer

Instructions: Choose one answer from each pair of selections. During an OROGRAPHIC | ADIABATIC process, an air parcel warms or cools without exchanging energy with the surrounding environment.

Correct AnswerverifiedShow Answer

Correct Answer
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At the same subfreezing temper...
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If you observe large raindrops hitting the ground, you could probably say that the cloud overhead was and had updrafts.

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The stability of the air is de...
View Answer

Correct Answer
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As cumulus clouds grow, they shade the g...
View Answer

Correct Answer
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Correct Answer
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Falling drops of water greater...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Subsidence inversions are best developed with high pressure areas because the air motions associated with them causes the air to .

Correct Answer
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Correct Answer
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Correct Answer
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