Question 1

Describe a situation of atmospheric stability by describing the relevant lapse rates.

Accepted Answer

The air is stable whenever the temperatu...

Question 2

The state of water that is the most important yet least obvious in the atmosphere is ________.

Accepted Answer

A)   evaporation
B)   hail
C)   water vapor
D)   ice crystals
E)   rainF) B) and C)
G) None of the above

Question 3

It is proper to refer to the high latitude lands of the Arctic and Antarctic as "cold deserts."

Accepted Answer

A) True 
 B)False

Question 4

Air containing all of the water vapor it can hold is ________.

Accepted Answer

A)   adiabatic
B)   saturated
C)   dew point
D)   unstable
E)   convectiveF) B) and E)
G) C) and D)

Question 5

Which of the following would one expect to find associated with low annual precipitation totals?

Accepted Answer

A)   fronts
B)   convergence
C)   subtropical highs
D)   convection
E)   mountain rangesF) B) and D)
G) B) and C)

Question 6

Fog represents a major form of precipitation for the Earth.

Accepted Answer

A) True 
 B)False

Question 7

In the United States, fog occurs LEAST often in the ________ states.

Accepted Answer

A)   Pacific Coast
B)   Gulf Coast
C)   Southwestern
D)   New England
E)   Great PlainsF) B) and D)
G) None of the above

Question 8

Which of the following occurs because water is added to atmosphere?

Accepted Answer

A)   radiation fog
B)   advection fog
C)   upslope fog
D)   orographic fog
E)   evaporation fogF) C) and D)
G) C) and E)

Question 9

Which of the following is closely associated with acid rain?

Accepted Answer

A)   high pH
B)   motor vehicle exhaust
C)   ozone
D)   the western United States
E)   the aurora borealisF) A) and E)
G) B) and D)

Question 10

Air that resists vertical movement is said to be ________.

Accepted Answer

A)   unstable
B)   stable
C)   cyclonic
D)   anticyclonic
E)   adiabaticF) B) and E)
G) C) and E)

Question 11

Hail is associated with the absence of updrafts in large thunderstorms.

Accepted Answer

A) True 
 B)False

Question 12

When or where is air most likely unstable?

Accepted Answer

A)   over the poles
B)   during the night
C)   during the winter
D)   during the afternoon
E)   in stratiform cloudsF) B) and E)
G) A) and D)

Question 13

The relative humidity would be ________% if the actual water vapor in the air was 10 grams per cubic meter, the air's capacity to hold water vapor was 20 grams per cubic meter and the dewpoint temperature was 20 degrees Celsius.

Accepted Answer

A)   10
B)   20
C)   50
D)   2
E)   200F) B) and E)
G) A) and D)

Question 14

Hailstones grow in size when falling in a cloud and decrease in size when rising in a cloud.

Accepted Answer

A) True 
 B)False

Question 15

Showery weather and cumuliform clouds point to the presence of ________.

Accepted Answer

A)   orographic lift of air
B)   anticyclonic descent of air
C)   instability
D)   relatively few condensation nuclei
E)   atmospheric equilibriumF) A) and C)
G) A) and D)

Question 16

Relative humidity and specific humidity are both measured as percentages.

Accepted Answer

A) True 
 B)False

Question 17

A certain volume of air holds 20 grams of water vapor. At that temperature, the maximum amount the air can contain is 100 grams. What is the relative humidity?

Accepted Answer

A)   100%
B)   20 grams
C)   20%
D)   100 grams
E)   More information must be supplied.F) D) and E)
G) B) and D)

Question 18

Radiation fogs develop in valleys because of downslope air drainage.

Accepted Answer

A) True 
 B)False

Question 19

A piece of unsaturated air is forced to rise. The lapse rate in the surrounding air is much less than the rate in change of temperature in the rising air. The rising air is said to be ________.

Accepted Answer

A)   stable
B)   unstable
C)   about to produce much rain
D)   metastable
E)   conditionally unstableF) A) and E)
G) A) and C)

Question 20

Explain the main features of the collision/coalescence process.

Accepted Answer

This process occurs in tall clouds which...

Exam 6: Atmospheric Moisture

Air that resists vertical movement is said to be ________.

Correct AnswerverifiedShow Answer

A certain volume of air holds 20 grams of water vapor. At that temperature, the maximum amount the air can contain is 100 grams. What is the relative humidity?

Correct AnswerverifiedShow Answer

Relative humidity and specific humidity are both measured as percentages.

Correct AnswerverifiedShow Answer

It is proper to refer to the high latitude lands of the Arctic and Antarctic as "cold deserts."

Correct AnswerverifiedShow Answer

A piece of unsaturated air is forced to rise. The lapse rate in the surrounding air is much less than the rate in change of temperature in the rising air. The rising air is said to be ________.

Correct AnswerverifiedShow Answer

Which of the following is closely associated with acid rain?

Correct AnswerverifiedShow Answer

Describe a situation of atmospheric stability by describing the relevant lapse rates.

Correct AnswerverifiedThe air is stable whenever the temperatu...View AnswerShow Answer

Hailstones grow in size when falling in a cloud and decrease in size when rising in a cloud.

Correct AnswerverifiedShow Answer

Radiation fogs develop in valleys because of downslope air drainage.

Correct AnswerverifiedShow Answer

Hail is associated with the absence of updrafts in large thunderstorms.

Correct AnswerverifiedShow Answer

Air containing all of the water vapor it can hold is ________.

Correct AnswerverifiedShow Answer

The relative humidity would be ________% if the actual water vapor in the air was 10 grams per cubic meter, the air's capacity to hold water vapor was 20 grams per cubic meter and the dewpoint temperature was 20 degrees Celsius.

Correct AnswerverifiedShow Answer

When or where is air most likely unstable?

Correct AnswerverifiedShow Answer

In the United States, fog occurs LEAST often in the ________ states.

Correct AnswerverifiedShow Answer

Which of the following would one expect to find associated with low annual precipitation totals?

Correct AnswerverifiedShow Answer

The state of water that is the most important yet least obvious in the atmosphere is ________.

Correct AnswerverifiedShow Answer

Explain the main features of the collision/coalescence process.

Correct AnswerverifiedThis process occurs in tall clouds which...View AnswerShow Answer

Fog represents a major form of precipitation for the Earth.

Correct AnswerverifiedShow Answer

Which of the following occurs because water is added to atmosphere?

Correct AnswerverifiedShow Answer

Showery weather and cumuliform clouds point to the presence of ________.

Correct AnswerverifiedShow Answer

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The air is stable whenever the temperatu...
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This process occurs in tall clouds which...
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