Question 1

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 2

Which of these clouds is least likely to produce precipitation that reaches the ground?

Accepted Answer

A)  nimbostratus 
B)  stratus 
C)  cirrostratus 
D)  cumulonimbus 
A)  nimbostratus 
B)  stratus 
C)  cirrostratus 
D)  cumulonimbus

Question 3

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

Accepted Answer

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

Question 4

Cirrus uncinus clouds are often precursors of:

Accepted Answer

A)  lenticular clouds. 
B)  clear skies. 
C)  calm conditions. 
D)  bad weather. 
A)  lenticular clouds. 
B)  clear skies. 
C)  calm conditions. 
D)  bad weather.

Question 5

The____________ cloud may have an "anvil head."

Accepted Answer

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

Question 6

What measurement does radar provide concerning clouds and precipitation?

Accepted Answer

Radar can measure the rate of

Question 7

The important difference between liquid droplets and ice crystals in a supercooled cloud is that ice crystals:

Accepted Answer

A)  are smaller. 
B)  grow much more rapidly. 
C)  increase the water vapor content of the cloud. 
D)  are more pure. 
A)  are smaller. 
B)  grow much more rapidly. 
C)  increase the water vapor content of the cloud. 
D)  are more pure.

Question 8

Successful dispersal of fog by seeding is limited to supercooled fog.

Accepted Answer

A) True 
 B)False

Question 9

How would a droplet formed on a hygroscopic nuclei compare to a droplet that formed on a hydrophobic nuclei?

Accepted Answer

A)  The hygroscopic nuclei droplet would be larger. 
B)  The droplet on the hydrophobic nuclei would be smaller. 
C)  The droplet on the hygroscopic nuclei would form at a lower relative humidity. 
D)  Both A and C 
E)  Both B and C. 
A)  The hygroscopic nuclei droplet would be larger. 
B)  The droplet on the hydrophobic nuclei would be smaller. 
C)  The droplet on the hygroscopic nuclei would form at a lower relative humidity. 
D)  Both A and C 
E)  Both B and C.

Question 10

Snow pillows are:

Accepted Answer

A)  large panels that calculate snow water equivalent by measuring the weight of collected snow. 
B)  large, aggregated snowflakes that stick together as they are falling. 
C)  instruments that automatically measure snow depth. 
D)  unique snow formations that form on the ground during high winds. 
A)  large panels that calculate snow water equivalent by measuring the weight of collected snow. 
B)  large, aggregated snowflakes that stick together as they are falling. 
C)  instruments that automatically measure snow depth. 
D)  unique snow formations that form on the ground during high winds.

Question 11

The weather forecast is calling for blizzard conditions. What kind of conditions can you expect at a minimum?

Accepted Answer

A)  winds of at least 35 mph for a minimum of 3 hours 
B)  winds of at least 50 mph for a minimum of 3 hours 
C)  heavy snowfall of at least 3 inches per hour, but with calm winds 
D)  visibility of 1/2 mile or better 
A)  winds of at least 35 mph for a minimum of 3 hours 
B)  winds of at least 50 mph for a minimum of 3 hours 
C)  heavy snowfall of at least 3 inches per hour, but with calm winds 
D)  visibility of 1/2 mile or better

Question 12

Which type of instrument measures rainfall by channeling the rain into small alternating collectors located just below a funnel?

Accepted Answer

A)  hygrometer 
B)  weighing gauge 
C)  tipping- rain gauge 
D)  standard rain gauge 
A)  hygrometer 
B)  weighing gauge 
C)  tipping- rain gauge 
D)  standard rain gauge

Question 13

The type of fog that frequently exists along the California coast is an advection fog.

Accepted Answer

A) True 
 B)False

Question 14

List the two different precipitation measurements that are applied to snowfall.

Accepted Answer

Snow depth and the l

Question 15

Cloud droplets are rarely able to grow through condensation beyond a radius of 20 micrometers because:

Accepted Answer

A)  the statement is false - cloud droplets can actually grow much larger. 
B)  the supply of water vapor is quickly consumed by the many competing droplets. 
C)  the adiabatic process stops working when condensation begins. 
D)  the air gets too cold as condensation occurs. 
A)  the statement is false - cloud droplets can actually grow much larger. 
B)  the supply of water vapor is quickly consumed by the many competing droplets. 
C)  the adiabatic process stops working when condensation begins. 
D)  the air gets too cold as condensation occurs.

Question 16

Radiation fog evaporates from the bottom up.

Accepted Answer

A) True 
 B)False

Question 17

The growth of a cloud droplet into a rain drop large enough to fall to Earth in a WARM cloud is accomplished primarily through:

Accepted Answer

A)  condensation of water vapor. 
B)  supercooling of water. 
C)  collision and coalescence. 
D)  hygroscopic action. 
E)  evaporation of water in the cloud. 
A)  condensation of water vapor. 
B)  supercooling of water. 
C)  collision and coalescence. 
D)  hygroscopic action. 
E)  evaporation of water in the cloud.

Question 18

When humid air moves up a slope or mountain side, a(n)__________ fog may form.

Accepted Answer

A)  radiation 
B)  upslope 
C)  advection 
D)  valley 
A)  radiation 
B)  upslope 
C)  advection 
D)  valley

Question 19

Tornadoes are only associated with cumulonimbus clouds.

Accepted Answer

A) True 
 B)False

Question 20

The Bergeron process is associated with supercooled clouds.

Accepted Answer

A) True 
 B)False

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

Which of these clouds is least likely to produce precipitation that reaches the ground?

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

Cirrus uncinus clouds are often precursors of:

The____________ cloud may have an "anvil head."

What measurement does radar provide concerning clouds and precipitation?

The important difference between liquid droplets and ice crystals in a supercooled cloud is that ice crystals:

Successful dispersal of fog by seeding is limited to supercooled fog.

How would a droplet formed on a hygroscopic nuclei compare to a droplet that formed on a hydrophobic nuclei?

Snow pillows are:

The weather forecast is calling for blizzard conditions. What kind of conditions can you expect at a minimum?

Which type of instrument measures rainfall by channeling the rain into small alternating collectors located just below a funnel?

The type of fog that frequently exists along the California coast is an advection fog.

List the two different precipitation measurements that are applied to snowfall.

Cloud droplets are rarely able to grow through condensation beyond a radius of 20 micrometers because:

Radiation fog evaporates from the bottom up.

The growth of a cloud droplet into a rain drop large enough to fall to Earth in a WARM cloud is accomplished primarily through:

When humid air moves up a slope or mountain side, a(n)__________ fog may form.

Tornadoes are only associated with cumulonimbus clouds.

The Bergeron process is associated with supercooled clouds.

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

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

Which of these clouds is least likely to produce precipitation that reaches the ground?

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

Cirrus uncinus clouds are often precursors of:

The____________ cloud may have an "anvil head."

What measurement does radar provide concerning clouds and precipitation?

The important difference between liquid droplets and ice crystals in a supercooled cloud is that ice crystals:

Successful dispersal of fog by seeding is limited to supercooled fog.

How would a droplet formed on a hygroscopic nuclei compare to a droplet that formed on a hydrophobic nuclei?

Snow pillows are:

The weather forecast is calling for blizzard conditions. What kind of conditions can you expect at a minimum?

Which type of instrument measures rainfall by channeling the rain into small alternating collectors located just below a funnel?

The type of fog that frequently exists along the California coast is an advection fog.

List the two different precipitation measurements that are applied to snowfall.

Cloud droplets are rarely able to grow through condensation beyond a radius of 20 micrometers because:

Radiation fog evaporates from the bottom up.

The growth of a cloud droplet into a rain drop large enough to fall to Earth in a WARM cloud is accomplished primarily through:

When humid air moves up a slope or mountain side, a(n)__________ fog may form.

Tornadoes are only associated with cumulonimbus clouds.

The Bergeron process is associated with supercooled clouds.

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