Question 1

When warm moist air moves over a cold surface, _________ fog may result.

Accepted Answer

A)  steam 
B)  advection 
C)  upslope 
D)  precipitation 
E)  radiation 
A)  steam 
B)  advection 
C)  upslope 
D)  precipitation 
E)  radiation B

Question 2

Dew point is the temperature at which water vapor in the air begins to condense. The temperature inside a cloud would therefore be:

Accepted Answer

A)  just above the dew point. 
B)  below freezing. 
C)  way above the dew point. 
D)  about equal to the dew point. 
A)  just above the dew point. 
B)  below freezing. 
C)  way above the dew point. 
D)  about equal to the dew point. D

Question 3

The most effective cloud condensation nuclei are water absorbent, known as nuclei.

Accepted Answer

hygroscopic

Question 4

Pure water suspended in the atmosphere will freeze at a temperature of:

Accepted Answer

A)  32°F 
B)  0°C 
C)  - 40°C 
D)  - 10°C 
A)  32°F 
B)  0°C 
C)  - 40°C 
D)  - 10°C

Question 5

The Bergeron process causes cloud droplets to grow because:

Accepted Answer

A)  water freezes instantly when its temperature reaches 0°C. 
B)  freezing nuclei are much more common in the atmosphere than other condensation nuclei. 
C)  the saturation vapor pressure is lower near ice crystals than it is near supercooled droplets. 
D)  larger drops fall and collect smaller droplets in the cloud. 
A)  water freezes instantly when its temperature reaches 0°C. 
B)  freezing nuclei are much more common in the atmosphere than other condensation nuclei. 
C)  the saturation vapor pressure is lower near ice crystals than it is near supercooled droplets. 
D)  larger drops fall and collect smaller droplets in the cloud.

Question 6

A radiation fog requires which of the following in order to form?

Accepted Answer

A)  high relative humidity and clear nighttime skies 
B)  warm air moving over a cold surface 
C)  a warm body of water and a cold breeze 
D)  cold air moving up a slope 
A)  high relative humidity and clear nighttime skies 
B)  warm air moving over a cold surface 
C)  a warm body of water and a cold breeze 
D)  cold air moving up a slope

Question 7

Frost is an example of _____ .

Accepted Answer

The answer of Frost is an example of _____ ....

Question 8

Where are lenticular clouds most likely to form?

Accepted Answer

A)  to the lee of mountains 
B)  over oceans 
C)  along coastlines 
D)  in desert regions 
A)  to the lee of mountains 
B)  over oceans 
C)  along coastlines 
D)  in desert regions

Question 9

Freezing rain and sleet are both the same form of precipitation.

Accepted Answer

A) True 
 B)False

Question 10

List the advantages and disadvantages of using a standard rain gauge vs. weather radar to measure precipitation.

Accepted Answer

Standard rain gauge: Highly accurate mea

Question 11

Raindrops form by condensation.

Accepted Answer

A) True 
 B)False

Question 12

Hail is most commonly associated with:

Accepted Answer

A)  nimbostratus clouds. 
B)  cirrocumulus clouds. 
C)  cirrus clouds. 
D)  altostratus clouds. 
E)  cumulonimbus clouds. 
A)  nimbostratus clouds. 
B)  cirrocumulus clouds. 
C)  cirrus clouds. 
D)  altostratus clouds. 
E)  cumulonimbus clouds.

Question 13

Clouds are named by their height and water content.

Accepted Answer

A) True 
 B)False

Question 14

Water condensation can occur even if the air is not completely saturated.

Accepted Answer

A) True 
 B)False

Question 15

High clouds are those that form at altitudes of at least:

Accepted Answer

A)  6500 ft (2000 m). 
B)  65,617 ft (20,000 m). 
C)  32,800 ft (10,000 m). 
D)  20,000 ft (6000 m). 
A)  6500 ft (2000 m). 
B)  65,617 ft (20,000 m). 
C)  32,800 ft (10,000 m). 
D)  20,000 ft (6000 m).

Question 16

The process by which a cloud droplet first forms is:

Accepted Answer

A)  supercooling. 
B)  evaporation. 
C)  precipitation. 
D)  collision and coalescence. 
E)  condensation. 
A)  supercooling. 
B)  evaporation. 
C)  precipitation. 
D)  collision and coalescence. 
E)  condensation.

Question 17

A(n) ________is a low layer of dark gray clouds that produces precipitation.

Accepted Answer

A)  cirrus 
B)  nimbostratus 
C)  cirrostratus 
D)  altostratus 
E)  cumulonimbus 
A)  cirrus 
B)  nimbostratus 
C)  cirrostratus 
D)  altostratus 
E)  cumulonimbus

Question 18

It is difficult to distinguish between cloud droplets and raindrops on a radar image, because the radar wavelengths are reflected by both of them.

Accepted Answer

A) True 
 B)False

Question 19

Under what conditions does light and fluffy snow form?

Accepted Answer

A)  warm air and low humidity 
B)  cold air and no humidity 
C)  cold air and low humidity 
D)  warm air and high humidity 
A)  warm air and low humidity 
B)  cold air and no humidity 
C)  cold air and low humidity 
D)  warm air and high humidity

Question 20

The necessary conditions for hail formation include strong upward vertical motion and:

Accepted Answer

A)  raindrops larger than 5 mm. 
B)  large numbers of particulates. 
C)  large numbers of supercooled droplets. 
D)  warm temperatures at high levels in the cloud. 
A)  raindrops larger than 5 mm. 
B)  large numbers of particulates. 
C)  large numbers of supercooled droplets. 
D)  warm temperatures at high levels in the cloud.

When warm moist air moves over a cold surface, _________ fog may result.

Dew point is the temperature at which water vapor in the air begins to condense. The temperature inside a cloud would therefore be:

The most effective cloud condensation nuclei are water absorbent, known as nuclei.

Pure water suspended in the atmosphere will freeze at a temperature of:

The Bergeron process causes cloud droplets to grow because:

A radiation fog requires which of the following in order to form?

Frost is an example of _____ .

Where are lenticular clouds most likely to form?

Freezing rain and sleet are both the same form of precipitation.

List the advantages and disadvantages of using a standard rain gauge vs. weather radar to measure precipitation.

Raindrops form by condensation.

Hail is most commonly associated with:

Clouds are named by their height and water content.

Water condensation can occur even if the air is not completely saturated.

High clouds are those that form at altitudes of at least:

The process by which a cloud droplet first forms is:

A(n) ________is a low layer of dark gray clouds that produces precipitation.

It is difficult to distinguish between cloud droplets and raindrops on a radar image, because the radar wavelengths are reflected by both of them.

Under what conditions does light and fluffy snow form?

The necessary conditions for hail formation include strong upward vertical motion and:

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters

Exam 5: Forms of Condensation and Precipitation

When warm moist air moves over a cold surface, _________ fog may result.

Dew point is the temperature at which water vapor in the air begins to condense. The temperature inside a cloud would therefore be:

The most effective cloud condensation nuclei are water absorbent, known as nuclei.

Pure water suspended in the atmosphere will freeze at a temperature of:

The Bergeron process causes cloud droplets to grow because:

A radiation fog requires which of the following in order to form?

Frost is an example of _____ .

Where are lenticular clouds most likely to form?

Freezing rain and sleet are both the same form of precipitation.

List the advantages and disadvantages of using a standard rain gauge vs. weather radar to measure precipitation.

Raindrops form by condensation.

Hail is most commonly associated with:

Clouds are named by their height and water content.

Water condensation can occur even if the air is not completely saturated.

High clouds are those that form at altitudes of at least:

The process by which a cloud droplet first forms is:

A(n) ________is a low layer of dark gray clouds that produces precipitation.

It is difficult to distinguish between cloud droplets and raindrops on a radar image, because the radar wavelengths are reflected by both of them.

Under what conditions does light and fluffy snow form?

The necessary conditions for hail formation include strong upward vertical motion and:

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters