Question 1

What is probably the most effective index of water vapor content?

Accepted Answer

A) absolute humidity 
B) relative humidity 
C) dew point 
D) precipitation 
A) absolute humidity 
B) relative humidity 
C) dew point 
D) precipitation

Question 2

The Intergovernmental Panel on Climate Change (IPCC)cites ________ as one of the reasons global atmospheric water vapor content is increasing.

Accepted Answer

increasing

Question 3

Ice nuclei:

Accepted Answer

A) are particularly abundant in the lower levels of the troposphere. 
B) rarely have six sides. 
C) have a better chance of forming ice at temperatures below -10 degrees Celsius. 
D) begin to serve their function once the temperature falls to 0 degrees Celsius. 
A) are particularly abundant in the lower levels of the troposphere. 
B) rarely have six sides. 
C) have a better chance of forming ice at temperatures below -10 degrees Celsius. 
D) begin to serve their function once the temperature falls to 0 degrees Celsius.

Question 4

Explain why a substantial increase in the amount of water vapor occurs in the United States during the summer months.

Accepted Answer

The amount of water vapor incr

Question 5

Heterogeneous nucleation:

Accepted Answer

A) cannot occur in the presence of hygroscopic particles. 
B) can only occur at humidities in excess of 100 percent. 
C) results in a water droplet that is 100 percent water. 
D) requires condensation nuclei. 
A) cannot occur in the presence of hygroscopic particles. 
B) can only occur at humidities in excess of 100 percent. 
C) results in a water droplet that is 100 percent water. 
D) requires condensation nuclei.

Question 6

Once a parcel of air rises above the lifting condensation level,the rate of cooling slows because:

Accepted Answer

A) latent heat is released when water vapor condenses. 
B) the air surrounding the parcel is cooler. 
C) water droplets absorb visible light much better than water vapor does. 
D) the parcel of air continues to cool at the dry adiabatic lapse rate. 
A) latent heat is released when water vapor condenses. 
B) the air surrounding the parcel is cooler. 
C) water droplets absorb visible light much better than water vapor does. 
D) the parcel of air continues to cool at the dry adiabatic lapse rate.

Question 7

This is the most common source of condensation nuclei in places like Pittsburgh and Cleveland:

Accepted Answer

A) human activities. 
B) dust. 
C) sea salt. 
D) aerosols from fires. 
A) human activities. 
B) dust. 
C) sea salt. 
D) aerosols from fires.

Question 8

Relative humidity is:

Accepted Answer

A) temperature dependent. 
B) a measure of the content of water vapor compared to the capacity of an air sample. 
C) usually higher at night than during the day. 
D) may be substantially different from the humidity in a house. 
E) all of the above 
A) temperature dependent. 
B) a measure of the content of water vapor compared to the capacity of an air sample. 
C) usually higher at night than during the day. 
D) may be substantially different from the humidity in a house. 
E) all of the above

Question 9

Describe the effects of water droplet curvature and solutions in water droplets on evaporation.

Accepted Answer

Highly curved droplets of pure water req

Question 10

For a given air mass,the ratio of the weight of water vapor to the total weight of the air mass is called the ________.

Accepted Answer

The answer of For a given air mass,the ratio of...

Question 11

Water is unique because:

Accepted Answer

A) it can be forced through pipes at considerable pressure. 
B) its coefficient of expansion as it freezes is linear. 
C) it exists in all three states naturally at the same time. 
D) it vaporizes at a very low temperature. 
A) it can be forced through pipes at considerable pressure. 
B) its coefficient of expansion as it freezes is linear. 
C) it exists in all three states naturally at the same time. 
D) it vaporizes at a very low temperature.

Question 12

The meteorologist on your local television station says the dew point is increasing.Explain what that means.

Accepted Answer

The dew point is a direct meas

Question 13

When the atmosphere contains more moisture than theoretically possible,the condition of ________ results.

Accepted Answer

A) curvature captivity 
B) supersaturation 
C) heterogeneous nucleation 
D) nuclei exclusion 
A) curvature captivity 
B) supersaturation 
C) heterogeneous nucleation 
D) nuclei exclusion

Question 14

Humidity:

Accepted Answer

A) refers to the ratio of the number of water vapor molecules to the number of permanent gas molecules in a given sample of air. 
B) has only one truly useful measure, at least for meteorologists. 
C) includes the amount of ice suspended in the air. 
D) is dependent upon vapor pressure. 
A) refers to the ratio of the number of water vapor molecules to the number of permanent gas molecules in a given sample of air. 
B) has only one truly useful measure, at least for meteorologists. 
C) includes the amount of ice suspended in the air. 
D) is dependent upon vapor pressure.

Question 15

The number of grams of water vapor in a cubic meter of air is called the:

Accepted Answer

A) vapor pressure. 
B) specific humidity. 
C) relative humidity. 
D) absolute humidity. 
A) vapor pressure. 
B) specific humidity. 
C) relative humidity. 
D) absolute humidity.

Question 16

The existence of water vapor can:

Accepted Answer

A) increase atmospheric pressure. 
B) decrease atmospheric pressure. 
C) cause winds to be stronger. 
D) increase the density of a sample of air. 
A) increase atmospheric pressure. 
B) decrease atmospheric pressure. 
C) cause winds to be stronger. 
D) increase the density of a sample of air.

Question 17

Describe the formation processes of four types of fog.

Accepted Answer

Precipitation fog results from the evapo

Question 18

Curved water surfaces:

Accepted Answer

A) have the same evaporative properties as do flat surfaces. 
B) can require relative humidities greater than 100 percent. 
C) have lower evaporation rates than do flat surfaces. 
D) are rarely found in nature. 
A) have the same evaporative properties as do flat surfaces. 
B) can require relative humidities greater than 100 percent. 
C) have lower evaporation rates than do flat surfaces. 
D) are rarely found in nature.

Question 19

Of the following,which is not dependent upon temperature?

Accepted Answer

A) specific humidity 
B) relative humidity 
C) absolute humidity 
D) saturation vapor pressure 
A) specific humidity 
B) relative humidity 
C) absolute humidity 
D) saturation vapor pressure

Question 20

If an unsaturated air parcel with a temperature of 20oC rises,forms a precipitating cloud,then returns to its original altitude,

Accepted Answer

A) the parcel's final temperature will be different than 20 oC 
B) the parcel's final temperature will be exactly 20 oC 
C) the parcel will never return to the surface 
D) the parcel will continue rising until it reaches the tropopause 
A) the parcel's final temperature will be different than 20 oC 
B) the parcel's final temperature will be exactly 20 oC 
C) the parcel will never return to the surface 
D) the parcel will continue rising until it reaches the tropopause

What is probably the most effective index of water vapor content?

The Intergovernmental Panel on Climate Change (IPCC)cites ________ as one of the reasons global atmospheric water vapor content is increasing.

Ice nuclei:

Explain why a substantial increase in the amount of water vapor occurs in the United States during the summer months.

Heterogeneous nucleation:

Once a parcel of air rises above the lifting condensation level,the rate of cooling slows because:

This is the most common source of condensation nuclei in places like Pittsburgh and Cleveland:

Relative humidity is:

Describe the effects of water droplet curvature and solutions in water droplets on evaporation.

For a given air mass,the ratio of the weight of water vapor to the total weight of the air mass is called the ________.

Water is unique because:

The meteorologist on your local television station says the dew point is increasing.Explain what that means.

When the atmosphere contains more moisture than theoretically possible,the condition of ________ results.

Humidity:

The number of grams of water vapor in a cubic meter of air is called the:

The existence of water vapor can:

Describe the formation processes of four types of fog.

Curved water surfaces:

Of the following,which is not dependent upon temperature?

If an unsaturated air parcel with a temperature of 20^oC rises,forms a precipitating cloud,then returns to its original altitude,

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters

Exam 5: Atmospheric Moisture

What is probably the most effective index of water vapor content?

The Intergovernmental Panel on Climate Change (IPCC)cites ________ as one of the reasons global atmospheric water vapor content is increasing.

Ice nuclei:

Explain why a substantial increase in the amount of water vapor occurs in the United States during the summer months.

Heterogeneous nucleation:

Once a parcel of air rises above the lifting condensation level,the rate of cooling slows because:

This is the most common source of condensation nuclei in places like Pittsburgh and Cleveland:

Relative humidity is:

Describe the effects of water droplet curvature and solutions in water droplets on evaporation.

For a given air mass,the ratio of the weight of water vapor to the total weight of the air mass is called the ________.

Water is unique because:

The meteorologist on your local television station says the dew point is increasing.Explain what that means.

When the atmosphere contains more moisture than theoretically possible,the condition of ________ results.

Humidity:

The number of grams of water vapor in a cubic meter of air is called the:

The existence of water vapor can:

Describe the formation processes of four types of fog.

Curved water surfaces:

Of the following,which is not dependent upon temperature?

If an unsaturated air parcel with a temperature of 20oC rises,forms a precipitating cloud,then returns to its original altitude,

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters

If an unsaturated air parcel with a temperature of 20^oC rises,forms a precipitating cloud,then returns to its original altitude,