Question 1

It is a cold winter night and a fog cloud forms.If it continues to cool during the night would you expect to find that the dew point has changed overnight? If so,would you expect to find that dew point has increased or decreased?

Accepted Answer

The answer of It is a cold winter night and...

Question 2

Which cloud type is composed of ice crystals and can cause a halo to form around the sun or moon?

Accepted Answer

A)  altostratus 
B)  stratus 
C)  nimbostratus 
D)  cirrostratus 
E)  angelitus

Question 3

On a cold,winter morning,the most likely place for radiation fog to form is

Accepted Answer

A)  at the top of a hill or mountain. 
B)  in a valley. 
C)  along the side of a hill. 
D)  over a body of water.

Question 4

Which of the following associations is not correct?

Accepted Answer

A)  altostratus - middle cloud 
B)  cirrus - high cloud 
C)  stratocumulus - cloud of vertical development 
D)  cirrocumulus - high cloud 
E)  cumulonimbus - cloud of vertical development

Question 5

Frost forms when

Accepted Answer

A)  objects on the ground cool below the dew point temperature. 
B)  the dew point is 32 F or below. 
C)  water vapor changes into ice without first becoming a liquid. 
D)  all of the above

Question 6

Fog that most often forms as warm rain falls into a cold layer of surface air is called

Accepted Answer

A)  radiation fog. 
B)  evaporation (mixing)fog. 
C)  advection fog. 
D)  upslope fog.

Question 7

Which two clouds can produce precipitation?

Accepted Answer

A)  cumulonimbus,stratocumulus 
B)  nimbostratus,altostratus 
C)  nimbostratus,cirrus 
D)  cumulonimbus,nimbostratus

Question 8

Dew is most likely to form on

Accepted Answer

A)  clear,calm nights. 
B)  cloudy,calm nights. 
C)  clear,windy nights. 
D)  cloudy,windy nights. 
E)  rainy nights.

Question 9

When radiation fog "burns off",the fog tends to dissipate

Accepted Answer

A)  from the bottom up. 
B)  from the top down. 
C)  starting at the middle and working both upward and downward.

Question 10

Even at high elevations where cirrus clouds are found,liquid water still exists in the clouds.

Accepted Answer

A) True 
 B)False

Question 11

Clouds are classified by their

Accepted Answer

A)  appearance. 
B)  altitude. 
C)  method of formation. 
D)  all of the above 
E)  altitude and method of formation.

Question 12

Advection fog is often observed along the Pacific coast during summer,as westerly winds carry moist air toward the shore.The fog forms because the surface water near the coast is ____ the surface water farther offshore.

Accepted Answer

A)  much colder than 
B)  much warmer than 
C)  the same temperature as

Question 13

Which cloud is least likely to produce precipitation that reaches the ground?

Accepted Answer

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

Question 14

Cirrus clouds are composed primarily of

Accepted Answer

A)  water droplets. 
B)  water vapor. 
C)  ice particles. 
D)  salt aerosols.

Question 15

Upslope fog forms because air ____ as it flows up a hill or mountain range.

Accepted Answer

A)  warms adiabatically 
B)  warms radiatively 
C)  cools adiabatically 
D)  cools radiatively

Question 16

The cloud with the greatest vertical growth is

Accepted Answer

A)  cumulus congestus. 
B)  cumulus humilis. 
C)  cumulonimbus. 
D)  cirrocumulus.

Question 17

A low,lumpy cloud layer that appears in rows,patches,or rounded masses would be classified

Accepted Answer

A)  nimbostratus. 
B)  stratus. 
C)  altocumulus. 
D)  stratocumulus.

Question 18

Suppose the sky is covered with stratus clouds.How might you determine whether middle or high clouds are also present?

Accepted Answer

The answer of Suppose the sky is covered with stratus...

Question 19

Radiation fog forms best on a

Accepted Answer

A)  clear winter night with a slight breeze. 
B)  cloudy winter night with a strong breeze. 
C)  clear summer night with a strong breeze. 
D)  cloudy summer night with a slight breeze. 
E)  cloudy winter night with a slight breeze.

Question 20

Satellites can

Accepted Answer

A)  monitor the amount of snow cover. 
B)  provide information about the earth-atmosphere energy balance. 
C)  provide information about surface water temperatures. 
D)  monitor the movement of icebergs. 
E)  all of the above

Exam 5: Condensation: Dew, Fog, and Clouds