Question 1

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 2

Radar images typically are displayed using various colors to denote the intensity of precipitation, with ____ representing the lightest precipitation and ____ representing the heaviest precipitation.

Accepted Answer

A) white; black 
B) light grey; dark grey 
C) orange; green 
D) dark blue or purple; yellow or bright green 
E) light blue or green; orange or red 
A) white; black 
B) light grey; dark grey 
C) orange; green 
D) dark blue or purple; yellow or bright green 
E) light blue or green; orange or red

Question 3

Generally, the smaller the pure water droplet, the lower the temperature at which it will freeze.

Accepted Answer

A) True 
 B)False

Question 4

Remote recording of precipitation can be made with a(n)____________________rain gauge. With this gauge, precipitation is caught in a cylinder and accumulates in a bucket. The bucket sits on a sensitive weighing platform. Special gears translate the accumulated weight of rain or snow into millimeters or inches of precipitation.

Accepted Answer

weighing t

Question 5

Describe how hail might form in a cumulonimbus cloud.

Accepted Answer

Hail is produced in a cumulonimbus cloud

Question 6

The growth of a precipitation particle by the collision of an ice crystal (or snowflake)with a supercooled liquid droplet is called ____.

Accepted Answer

A) accretion 
B) spontaneous nucleation 
C) condensation 
D) deposition 
E) collision 
A) accretion 
B) spontaneous nucleation 
C) condensation 
D) deposition 
E) collision

Question 7

Which of the following has made it easier to determine whether falling precipitation is in the form of rain or snow?

Accepted Answer

A) Gamma-ray irradiation 
B) X-ray scanning 
C) Lidar 
D) Dual-polarization radar 
E) Sonar 
A) Gamma-ray irradiation 
B) X-ray scanning 
C) Lidar 
D) Dual-polarization radar 
E) Sonar

Question 8

List the advantages and disadvantages of heavy snowfall.

Accepted Answer

Advantages: A blanket of snow is a good

Question 9

A fluffy covering of snow protects sensitive plants and their root systems from damaging low temperatures.

Accepted Answer

A) True 
 B)False

Question 10

A city received 60 inches of snow. This is equivalent to 60 inches of precipitation.

Accepted Answer

A) True 
 B)False

Question 11

For sub-freezing temperatures, the saturation vapor pressure just above a liquid water surface is ____ the saturation vapor pressure above an ice surface.

Accepted Answer

A) greater than 
B) the same as 
C) less than 
D) 10% less than 
E) 50%less than 
A) greater than 
B) the same as 
C) less than 
D) 10% less than 
E) 50%less than

Question 12

In the beginning of a rainstorm you might experience large, heavy raindrops. Explain why these occur first, and where they originated.

Accepted Answer

Large raindrops fall faster and reach th

Question 13

What is the main difference between a raindrop and a cloud droplet?

Accepted Answer

An ordinary cloud droplet is extremely s

Question 14

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 15

A warm stratus cloud is typically less than 500 m thick and has slow upward air movement (generally less than 0.1 m/sec).

Accepted Answer

A) True 
 B)False

Question 16

Generally, the concentration of nuclei is greater over the oceans than over land.

Accepted Answer

A) True 
 B)False

Question 17

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 18

Raindrops that reach Earth's surface are seldom larger than ____.

Accepted Answer

A) 2 mm 
B) 3 mm 
C) 5 mm 
D) 8 mm 
E) 10 mm 
A) 2 mm 
B) 3 mm 
C) 5 mm 
D) 8 mm 
E) 10 mm

Question 19

Very small cloud droplets of pure water can evaporate even when the relative humidity is 100 percent.

Accepted Answer

A) True 
 B)False

Question 20

Cloud seeding, a method to reliably increase precipitation, ____.

Accepted Answer

A) is commonly based on silver chloride 
B) is commonly based on lead iodide 
C) was discovered in the 1990s 
D) is illegal in most US states 
E) is controversial 
A) is commonly based on silver chloride 
B) is commonly based on lead iodide 
C) was discovered in the 1990s 
D) is illegal in most US states 
E) is controversial

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 images typically are displayed using various colors to denote the intensity of precipitation, with representing the lightest precipitation and representing the heaviest precipitation.

Generally, the smaller the pure water droplet, the lower the temperature at which it will freeze.

Describe how hail might form in a cumulonimbus cloud.

The growth of a precipitation particle by the collision of an ice crystal (or snowflake)with a supercooled liquid droplet is called ____.

Which of the following has made it easier to determine whether falling precipitation is in the form of rain or snow?

List the advantages and disadvantages of heavy snowfall.

A fluffy covering of snow protects sensitive plants and their root systems from damaging low temperatures.

A city received 60 inches of snow. This is equivalent to 60 inches of precipitation.

For sub-freezing temperatures, the saturation vapor pressure just above a liquid water surface is ____ the saturation vapor pressure above an ice surface.

In the beginning of a rainstorm you might experience large, heavy raindrops. Explain why these occur first, and where they originated.

What is the main difference between a raindrop and a cloud droplet?

Which of the following might be mistaken for hail?

A warm stratus cloud is typically less than 500 m thick and has slow upward air movement (generally less than 0.1 m/sec).

Generally, the concentration of nuclei is greater over the oceans than over land.

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

Raindrops that reach Earth's surface are seldom larger than ____.

Very small cloud droplets of pure water can evaporate even when the relative humidity is 100 percent.

Cloud seeding, a method to reliably increase precipitation, ____.

Earth and Its Atmosphere

Energy: Warming 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

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 images typically are displayed using various colors to denote the intensity of precipitation, with ____ representing the lightest precipitation and ____ representing the heaviest precipitation.

Generally, the smaller the pure water droplet, the lower the temperature at which it will freeze.

Describe how hail might form in a cumulonimbus cloud.

The growth of a precipitation particle by the collision of an ice crystal (or snowflake)with a supercooled liquid droplet is called ____.

Which of the following has made it easier to determine whether falling precipitation is in the form of rain or snow?

List the advantages and disadvantages of heavy snowfall.

A fluffy covering of snow protects sensitive plants and their root systems from damaging low temperatures.

A city received 60 inches of snow. This is equivalent to 60 inches of precipitation.

For sub-freezing temperatures, the saturation vapor pressure just above a liquid water surface is ____ the saturation vapor pressure above an ice surface.

In the beginning of a rainstorm you might experience large, heavy raindrops. Explain why these occur first, and where they originated.

What is the main difference between a raindrop and a cloud droplet?

Which of the following might be mistaken for hail?

A warm stratus cloud is typically less than 500 m thick and has slow upward air movement (generally less than 0.1 m/sec).

Generally, the concentration of nuclei is greater over the oceans than over land.

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

Raindrops that reach Earth's surface are seldom larger than ____.

Very small cloud droplets of pure water can evaporate even when the relative humidity is 100 percent.

Cloud seeding, a method to reliably increase precipitation, ____.

Earth and Its Atmosphere

Energy: Warming 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

Radar images typically are displayed using various colors to denote the intensity of precipitation, with representing the lightest precipitation and representing the heaviest precipitation.