Download NS2-M3C8_-_Clouds_and_Fog_Exam

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NS2-M3C8 - Clouds and Fog (Exam)
Name:______________________________
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What can cloud seeding cause? (Input all that apply, then push the ENTER button.)
A
B
C
D
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from a cloud that normally would not produce rain.
sooner.
over a large area.
from fair skies.
snow
hail
rain
sleet
warmer; warm; colder
colder; warm; colder
warmer; cold; colder
Dew
Smog
Fog
Steam
A cloud of a class characterized by thin white filaments or narrow bands and a composition
of ice crystals; of high altitude, about 20,000 - 40,000 feet
A
B
C
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fall
fall
fall
fall
A cloudlike mass or layer of minute water droplets or ice crystals near the surface of Earth,
appreciably reducing visibility
A
B
C
D
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to
to
to
to
________ is likely to develop when _______ air that has passed over _______ water moves
to an area of _______ water.
A
B
C
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Rain
Rain
Rain
Rain
When rain formed in relatively warm air falls through a layer of freezing air, what occurs?
A
B
C
D
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Date:_______________________________
Cumulus
Cirrus
Stratus
A cloud of a class indicative of thunderstorm conditions, characterized by large, dense
towers that may reach altitudes of 75,000 feet, uniform except for the tops, which appear
fibrous because of the presence of ice crystals
A
B
C
D
Cirrus
Cumulonimbus
Nimbus
Altostratus
NS2-M3C8 - Clouds and Fog (Exam)
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Showery precipitation in the form of irregular pellets or balls of ice more than 1/5 inch in
diameter
A
B
C
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Dew
Snow
Frost
Fog
Generally middle clouds can be observed at
A
B
C
D
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Dew
Rain
Fog
Water vapor that condenses on objects that have cooled below the condensation point of
the air around it is known as
A
B
C
D
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Sleet
Hail
Frost
Moisture condensed from the atmosphere and deposited in the form of small drops upon
any cool surface
A
B
C
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3,000 to 5,000 feet
20,000 feet and above
1,000 to 3,000 feet
7,000 to 20,000 feet
Great fog areas often occur off Newfoundland because the
A
B
C
D
E
colder air over the Gulf Stream meets the warm inshore currents moving
eastward from the Gulf of St. Lawrence.
warm air over Japanese Current meets the cold current from the Bering Sea.
warm air over the Gulf Stream meets the colder inshore currents coming
south from Greenland.
All of the above are correct answers.
None of the above are correct answers.
NS2-M3C8 - Clouds and Fog (Exam)
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Clouds are formed by
A
B
C
D
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What are three steps in the atmospheric water cycle?
A
B
C
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Land is cooler than water
Moisture rises from vegetation, meets cooler air and condenses
There is no wind over the Island
Hail usually occurs in the _________________.
A
B
C
D
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Indicates that clear and cold weather can be forecast
A low-lying cloud, near or touching the surface of the earth
Formed by air saturation
Why do clouds form above Islands?
A
B
C
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Evaporation, Transpiration, and Convection
Evaporation, Condensation, and Precipitation
Convection, Adiabatic, and Transpiration
Which of the following statements best describes steam fog?
A
B
C
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moisture from frozen carbon dioxide.
rising moisture from the earth that condenses when it meets cooler air aloft.
ice crystal meeting silver iodide in the upper atmosphere.
moisture droplets.
summer
spring
winter
fall
Which of the following statements best describes steam fog?
A
B
C
D
A low-lying cloud, near or touching the surface of the earth
Formed by air saturation
Usually lifts before noon, having been "burned" away by the sun
Indicates that clear and cold weather can be forecast
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NS2-M3C8 - Clouds and Fog (Exam)
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Silver iodide crystals have been successfully used to
A
B
C
D
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cause moisture-laden cirrus clouds to freeze into ice crystals.
artificially seed clouds and cause rain to fall.
convert cumulonimbus into cumulus clouds.
lower cloud ceilings and cause rain to fall.
Which of the following are NOT involved in the formation of clouds?
A
B
C
D
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Natural convection.
Hygroscopic nuclei.
Freezing layers of the atmosphere.
Humidity.
San Francisco is known for its thick fog because:
A
B
C
D
E
The warm water off the coast meets the cool air coming down from the mountains.
The relatively moist air from the Pacific meets the cool water currents flowing from the north.
The shape of the entrance to San Francisco Bay funnels the local clouds to the surface.
All of the above are correct answers.
None of the above are correct answers.
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NS2-M3C8 - Clouds and Fog (Exam)
Answer Key: NS2-M3C8 - Clouds and Fog (Exam)
Question:
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Answer
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BD
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B