Question 1

A raindrop is falling at constant speed. This constant speed is also called ____________________.

Accepted Answer

The answer of A raindrop is falling at constant speed....

Question 2

Which of the following might be mistaken for hail?​

Accepted Answer

A)  ​virga 
B)  ​graupel 
C)  ​dendrite 
D)  ​supercooled droplet 
E)  ​ice crystal 
A)  ​virga 
B)  ​graupel 
C)  ​dendrite 
D)  ​supercooled droplet 
E)  ​ice crystal

Question 3

​The speed of falling cloud droplet increases until the air resistance

Accepted Answer

A)  ​is greater than gravity. 
B)  ​is greater than the droplets inertia. 
C)  ​is less than gravity. 
D)  ​equals the pull of gravity. 
E)  ​is less than the droplets momentum. 
A)  ​is greater than gravity. 
B)  ​is greater than the droplets inertia. 
C)  ​is less than gravity. 
D)  ​equals the pull of gravity. 
E)  ​is less than the droplets momentum.

Question 4

​The Doppler radar has the capacity to measure the speed at which falling rain is moving horizontally toward or away from the radar antenna. Falling rain moves with the wind. Consequently, Doppler radar allows scientists to peer into a tornado-generating thunderstorm and observe its wind.

Accepted Answer

A) True 
 B)False

Question 5

If rain falls on one side of a street and not on the other side, the rain most likely fell from a ____ cloud.​

Accepted Answer

A)  ​nimbostratus 
B)  ​stratus 
C)  ​cumulonimbus 
D)  ​altostratus 
E)  ​altocumulus 
A)  ​nimbostratus 
B)  ​stratus 
C)  ​cumulonimbus 
D)  ​altostratus 
E)  ​altocumulus

Question 6

Clouds that have above-freezing temperatures at all levels are called ____________________.

Accepted Answer

The answer of Clouds that have above-freezing temperatures at all...

Question 7

Cloud seeding using silver iodide only works in​

Accepted Answer

A)  ​cold clouds composed entirely of ice crystals. 
B)  ​warm clouds composed entirely of water droplets. 
C)  ​cold clouds with a low ratio of ice crystals to water droplets. 
D)  ​clouds with more ice crystals than supercooled droplets. 
E)  ​clouds that can produce precipitation. 
A)  ​cold clouds composed entirely of ice crystals. 
B)  ​warm clouds composed entirely of water droplets. 
C)  ​cold clouds with a low ratio of ice crystals to water droplets. 
D)  ​clouds with more ice crystals than supercooled droplets. 
E)  ​clouds that can produce precipitation.

Question 8

The next improvement for Doppler radar is called the ____________________. This form of Doppler radar, which has been installed around the United States over the last several years, transmits both a vertical and horizontal pulse, which makes it easier to determine whether falling precipitation is in the form of rain or snow.

Accepted Answer

The answer of The next improvement for Doppler radar is...

Question 9

In a typical advancing winter storm, which of the following sequences of precipitation types is most likely to occur?​

Accepted Answer

A)  ​freezing rain, rain, snow, sleet 
B)  ​freezing rain, rain, sleet, snow 
C)  ​rain, freezing rain, snow, sleet 
D)  ​rain, sleet, freezing rain, snow 
E)  ​rain, freezing rain, sleet, snow 
A)  ​freezing rain, rain, snow, sleet 
B)  ​freezing rain, rain, sleet, snow 
C)  ​rain, freezing rain, snow, sleet 
D)  ​rain, sleet, freezing rain, snow 
E)  ​rain, freezing rain, sleet, snow

Question 10

During the ice crystal process of rain formation,​

Accepted Answer

A)  ​only ice crystals are present in a cloud. 
B)  ​ice crystals grow larger at the expense of the surrounding liquid cloud droplets. 
C)  ​the temperature in the cloud must be -40°C (-40°F) or below. 
D)  ​the cloud must be a cumuliform cloud. 
E)  ​the surface temperature must be below freezing. 
A)  ​only ice crystals are present in a cloud. 
B)  ​ice crystals grow larger at the expense of the surrounding liquid cloud droplets. 
C)  ​the temperature in the cloud must be -40°C (-40°F) or below. 
D)  ​the cloud must be a cumuliform cloud. 
E)  ​the surface temperature must be below freezing.

Question 11

Snow accumulation rates may be measured at a single site by using a(n) ____________________, a small wooden platform resting near the ground that is cleared off after each measurement.​

Accepted Answer

The answer of Snow accumulation rates may be measured at...

Question 12

​Bacteria in decaying plant leaf material can act as ice nuclei.

Accepted Answer

A) True 
 B)False

Question 13

The Doppler radar uses the principle called Doppler ____ to measure the speed at which falling rain is moving horizontally toward or away from the radar antenna.​

Accepted Answer

A)  ​signal 
B)  ​radiance 
C)  ​acceleration 
D)  ​speedometer 
E)  ​shift 
A)  ​signal 
B)  ​radiance 
C)  ​acceleration 
D)  ​speedometer 
E)  ​shift

Question 14

Radar stands for ____________________.​

Accepted Answer

radio dete

Question 15

In a standard rain gauge ____ inches of water in the tube would be measured as 1 inch of rainfall.​

Accepted Answer

A)  ​2.5 
B)  ​5 
C)  ​7.5 
D)  ​10 
E)  ​12.5 
A)  ​2.5 
B)  ​5 
C)  ​7.5 
D)  ​10 
E)  ​12.5

Question 16

If a city were to receive 1/2 inch of rain in the morning and then 5 inches of snow that afternoon, about how much precipitation would the weather service report for that day?​

Accepted Answer

A)  ​5 1/2 inches 
B)  ​1/2 inch 
C)  ​1 inch 
D)  ​10 inches 
E)  ​2 1/2 inches 
A)  ​5 1/2 inches 
B)  ​1/2 inch 
C)  ​1 inch 
D)  ​10 inches 
E)  ​2 1/2 inches

Question 17

In calm air, a typical cloud droplet falls over 600 times faster than a typical raindrop.​

Accepted Answer

A) True 
 B)False

Question 18

What are the two main substances used in cloud seeding?​

Accepted Answer

A)  ​lead iodide and dry ice 
B)  ​silver iodide and lead iodide 
C)  ​ice crystals and flood powder 
D)  ​dry ice and sea salt 
E)  ​silver iodide and dry ice 
A)  ​lead iodide and dry ice 
B)  ​silver iodide and lead iodide 
C)  ​ice crystals and flood powder 
D)  ​dry ice and sea salt 
E)  ​silver iodide and dry ice

Question 19

How is precipitation measured using Doppler radar?

Accepted Answer

Every radar unit consists of a transmitt

Question 20

Dry ice has a temperature of​

Accepted Answer

A)  ​-28 degrees Celsius (-18 degrees Fahrenheit). 
B)  ​-48 degrees Celsius (-54 degrees Fahrenheit). 
C)  ​-58 degrees Celsius (-72 degrees Fahrenheit). 
D)  ​-78 degrees Celsius (-108 degrees Fahrenheit). 
E)  ​-98 degrees Celsius (-144 degrees Fahrenheit). 
A)  ​-28 degrees Celsius (-18 degrees Fahrenheit). 
B)  ​-48 degrees Celsius (-54 degrees Fahrenheit). 
C)  ​-58 degrees Celsius (-72 degrees Fahrenheit). 
D)  ​-78 degrees Celsius (-108 degrees Fahrenheit). 
E)  ​-98 degrees Celsius (-144 degrees Fahrenheit).

A raindrop is falling at constant speed. This constant speed is also called ____________________.

Which of the following might be mistaken for hail?

The speed of falling cloud droplet increases until the air resistance

The Doppler radar has the capacity to measure the speed at which falling rain is moving horizontally toward or away from the radar antenna. Falling rain moves with the wind. Consequently, Doppler radar allows scientists to peer into a tornado-generating thunderstorm and observe its wind.

If rain falls on one side of a street and not on the other side, the rain most likely fell from a ____ cloud.

Clouds that have above-freezing temperatures at all levels are called ____________________.

Cloud seeding using silver iodide only works in

In a typical advancing winter storm, which of the following sequences of precipitation types is most likely to occur?

During the ice crystal process of rain formation,

Snow accumulation rates may be measured at a single site by using a(n) ____________________, a small wooden platform resting near the ground that is cleared off after each measurement.

Bacteria in decaying plant leaf material can act as ice nuclei.

The Doppler radar uses the principle called Doppler ____ to measure the speed at which falling rain is moving horizontally toward or away from the radar antenna.

Radar stands for ____________________.

In a standard rain gauge ____ inches of water in the tube would be measured as 1 inch of rainfall.

If a city were to receive 1/2 inch of rain in the morning and then 5 inches of snow that afternoon, about how much precipitation would the weather service report for that day?

In calm air, a typical cloud droplet falls over 600 times faster than a typical raindrop.

What are the two main substances used in cloud seeding?

How is precipitation measured using Doppler radar?

Dry ice has a temperature of

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Air Pressure and Winds

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

Exam 7: Precipitation

A raindrop is falling at constant speed. This constant speed is also called ____________________.

Which of the following might be mistaken for hail?​

​The speed of falling cloud droplet increases until the air resistance

​The Doppler radar has the capacity to measure the speed at which falling rain is moving horizontally toward or away from the radar antenna. Falling rain moves with the wind. Consequently, Doppler radar allows scientists to peer into a tornado-generating thunderstorm and observe its wind.

If rain falls on one side of a street and not on the other side, the rain most likely fell from a ____ cloud.​

Clouds that have above-freezing temperatures at all levels are called ____________________.

Cloud seeding using silver iodide only works in​

In a typical advancing winter storm, which of the following sequences of precipitation types is most likely to occur?​

During the ice crystal process of rain formation,​

Snow accumulation rates may be measured at a single site by using a(n) ____________________, a small wooden platform resting near the ground that is cleared off after each measurement.​

​Bacteria in decaying plant leaf material can act as ice nuclei.

The Doppler radar uses the principle called Doppler ____ to measure the speed at which falling rain is moving horizontally toward or away from the radar antenna.​

Radar stands for ____________________.​

In a standard rain gauge ____ inches of water in the tube would be measured as 1 inch of rainfall.​

If a city were to receive 1/2 inch of rain in the morning and then 5 inches of snow that afternoon, about how much precipitation would the weather service report for that day?​

In calm air, a typical cloud droplet falls over 600 times faster than a typical raindrop.​

What are the two main substances used in cloud seeding?​

How is precipitation measured using Doppler radar?

Dry ice has a temperature of​

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Air Pressure and Winds

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

Which of the following might be mistaken for hail?

The speed of falling cloud droplet increases until the air resistance

The Doppler radar has the capacity to measure the speed at which falling rain is moving horizontally toward or away from the radar antenna. Falling rain moves with the wind. Consequently, Doppler radar allows scientists to peer into a tornado-generating thunderstorm and observe its wind.

If rain falls on one side of a street and not on the other side, the rain most likely fell from a ____ cloud.

Cloud seeding using silver iodide only works in

In a typical advancing winter storm, which of the following sequences of precipitation types is most likely to occur?

During the ice crystal process of rain formation,

Snow accumulation rates may be measured at a single site by using a(n) ____________________, a small wooden platform resting near the ground that is cleared off after each measurement.

Bacteria in decaying plant leaf material can act as ice nuclei.

The Doppler radar uses the principle called Doppler ____ to measure the speed at which falling rain is moving horizontally toward or away from the radar antenna.

Radar stands for ____________________.

In a standard rain gauge ____ inches of water in the tube would be measured as 1 inch of rainfall.

If a city were to receive 1/2 inch of rain in the morning and then 5 inches of snow that afternoon, about how much precipitation would the weather service report for that day?

In calm air, a typical cloud droplet falls over 600 times faster than a typical raindrop.

What are the two main substances used in cloud seeding?

Dry ice has a temperature of