Question 1

When will an ascending parcel of air begin to condense into a cloud?

Accepted Answer

When it has cooled to its dew-point temperature at the lifting condensation level.

Question 2

Sleet is produced only when all the air above the ground is below freezing.

Accepted Answer

A) True 
 B)False  False

Question 3

Supercooled water is water which is:

Accepted Answer

A) part liquid and part solid. 
B) a special form of ice. 
C) still liquid at temperatures below 0°C. 
D) of a slightly different chemical nature than ordinary. 
E) produced from dry ice. 
A) part liquid and part solid. 
B) a special form of ice. 
C) still liquid at temperatures below 0°C. 
D) of a slightly different chemical nature than ordinary. 
E) produced from dry ice. C

Question 4

Steam fogs and frontal fogs are both types of ________ fogs.

Accepted Answer

The answer of Steam fogs and frontal fogs are both...

Question 5

A precipitation droplet with a diameter of 0.25 mm would be classified as rain.

Accepted Answer

A) True 
 B)False

Question 6

Clouds are classified and named according to their altitude and:

Accepted Answer

A) temperature. 
B) water content. 
C) size of droplets in the cloud. 
D) form or appearance. 
E) amount of precipitation produced. 
A) temperature. 
B) water content. 
C) size of droplets in the cloud. 
D) form or appearance. 
E) amount of precipitation produced.

Question 7

Salt,dust particles,and smoke are all examples of:

Accepted Answer

A)  anthropogenically-produced cloud nuclei. 
B) freezing nuclei. 
C)  hydrophobic nuclei. 
D) condensation nuclei. 
A)  anthropogenically-produced cloud nuclei. 
B) freezing nuclei. 
C)  hydrophobic nuclei. 
D) condensation nuclei.

Question 8

The formation of raindrops by collision and coalescence of smaller cloud droplets is strongly influenced by:

Accepted Answer

A) solar radiation. 
B) dew point temperature of the cloud. 
C) electrical charges on the droplets. 
D) presence of dust. 
E) number of droplets in the cloud. 
A) solar radiation. 
B) dew point temperature of the cloud. 
C) electrical charges on the droplets. 
D) presence of dust. 
E) number of droplets in the cloud.

Question 9

Why are raindrops that reach the ground limited to a maximum size of about 5 mm in diameter?

Accepted Answer

Drops growing larger than this

Question 10

The most important process for cloud formation in the atmosphere is:

Accepted Answer

A) cooling by loss of latent heat. 
B) cooling by compression of the air. 
C) radiational cooling. 
D) cooling by contact with the cold ground. 
E) cooling by expansion of the air. 
A) cooling by loss of latent heat. 
B) cooling by compression of the air. 
C) radiational cooling. 
D) cooling by contact with the cold ground. 
E) cooling by expansion of the air.

Question 11

Graupel is:

Accepted Answer

A) hail stones that have been shattered into pieces. 
B) "soft hail" produced by rime. 
C) rain that evaporates before it hits the ground. 
D) a special instrument used to measure snow water equivalent. 
A) hail stones that have been shattered into pieces. 
B) "soft hail" produced by rime. 
C) rain that evaporates before it hits the ground. 
D) a special instrument used to measure snow water equivalent.

Question 12

Why do the liquid droplets that form a cloud (cloud droplets)not fall to the ground as a fine drizzle?

Accepted Answer

They are so light that their f

Question 13

List the two requirements that a cumulonimbus cloud must meet if hail is to form.

Accepted Answer

Strong vertical moti

Question 14

Clouds and precipitation form in the air primarily due to:

Accepted Answer

A) air being cooled as it rises. 
B) moisture being added to the air. 
C) excessive numbers of condensation nuclei. 
D) absorption of infrared radiation. 
E) release of latent heat. 
A) air being cooled as it rises. 
B) moisture being added to the air. 
C) excessive numbers of condensation nuclei. 
D) absorption of infrared radiation. 
E) release of latent heat.

Question 15

The process by which a cloud droplet first forms is:

Accepted Answer

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

Question 16

Nimbostratus clouds can form in air that is stable.

Accepted Answer

A) True 
 B)False

Question 17

The water content or volume of a raindrop is approximately ________ times that of a typical cloud droplet.

Accepted Answer

A) 1 million 
B) 1000 
C) 100 
D) 10 
E) 1 billion 
A) 1 million 
B) 1000 
C) 100 
D) 10 
E) 1 billion

Question 18

Hail is most commonly associated with:

Accepted Answer

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

Question 19

Snowfall depths can be difficult to measure because:

Accepted Answer

A) snow usually melts too quickly once it reaches the surface. 
B) there is no automated instrument capable of measuring snowfall. 
C) wind causes snow to vary in depth across the surface. 
D) it is difficult to locate instruments far enough away from buildings. 
A) snow usually melts too quickly once it reaches the surface. 
B) there is no automated instrument capable of measuring snowfall. 
C) wind causes snow to vary in depth across the surface. 
D) it is difficult to locate instruments far enough away from buildings.

Question 20

When supercooled droplets freeze directly to very cold surfaces and create fine,needle-like ice crystals,the result is:

Accepted Answer

A) rime. 
B) graupel. 
C) virga. 
D) uncinus. 
A) rime. 
B) graupel. 
C) virga. 
D) uncinus.

When will an ascending parcel of air begin to condense into a cloud?

Sleet is produced only when all the air above the ground is below freezing.

Supercooled water is water which is:

Steam fogs and frontal fogs are both types of ________ fogs.

A precipitation droplet with a diameter of 0.25 mm would be classified as rain.

Clouds are classified and named according to their altitude and:

Salt,dust particles,and smoke are all examples of:

The formation of raindrops by collision and coalescence of smaller cloud droplets is strongly influenced by:

Why are raindrops that reach the ground limited to a maximum size of about 5 mm in diameter?

The most important process for cloud formation in the atmosphere is:

Graupel is:

Why do the liquid droplets that form a cloud (cloud droplets)not fall to the ground as a fine drizzle?

List the two requirements that a cumulonimbus cloud must meet if hail is to form.

Clouds and precipitation form in the air primarily due to:

The process by which a cloud droplet first forms is:

Nimbostratus clouds can form in air that is stable.

The water content or volume of a raindrop is approximately ________ times that of a typical cloud droplet.

Hail is most commonly associated with:

Snowfall depths can be difficult to measure because:

When supercooled droplets freeze directly to very cold surfaces and create fine,needle-like ice crystals,the result is:

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 will an ascending parcel of air begin to condense into a cloud?

Sleet is produced only when all the air above the ground is below freezing.

Supercooled water is water which is:

Steam fogs and frontal fogs are both types of ________ fogs.

A precipitation droplet with a diameter of 0.25 mm would be classified as rain.

Clouds are classified and named according to their altitude and:

Salt,dust particles,and smoke are all examples of:

The formation of raindrops by collision and coalescence of smaller cloud droplets is strongly influenced by:

Why are raindrops that reach the ground limited to a maximum size of about 5 mm in diameter?

The most important process for cloud formation in the atmosphere is:

Graupel is:

Why do the liquid droplets that form a cloud (cloud droplets)not fall to the ground as a fine drizzle?

List the two requirements that a cumulonimbus cloud must meet if hail is to form.

Clouds and precipitation form in the air primarily due to:

The process by which a cloud droplet first forms is:

Nimbostratus clouds can form in air that is stable.

The water content or volume of a raindrop is approximately ________ times that of a typical cloud droplet.

Hail is most commonly associated with:

Snowfall depths can be difficult to measure because:

When supercooled droplets freeze directly to very cold surfaces and create fine,needle-like ice crystals,the result is:

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