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Exam 5: Condensation Dew Fog and Clouds

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Question 21

Multiple Choice

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Hail is usually associated with ____ clouds.

A) stratus
B) cumulus
C) ​stratocumulus
D) ​altocumulus
E) ​cumulonimbus

F) None of the above
G) All of the above

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Question 22

True/False

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In hazy conditions,distant objects are usually more visible in the afternoon than in the morning,even when the concentration of particles in the air has not changed.

A) True
B) False

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Question 23

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The sky is overcast and it is raining.The cloud above you is a cumulus humilis cloud.

Condensation nuclei may be made up of salt from the ocean.

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

Explain why clouds form in rising air.

Suppose it is raining lightly from a deck of nimbostratus clouds.Beneath the clouds are small,ragged,puffy clouds that are moving rapidly with the wind.These clouds would be called ____________________.

Nacreous clouds are commonly described as ____________________ clouds.

Water vapor cannot condense onto hygroscopic nuclei particles at relative humidities less than 100 percent.

Which two clouds can produce precipitation?

To a weather forecaster a clear sky is one where no clouds are present.When there are between ____ and ____ clouds covering the sky,there are a few clouds present.

Detached clouds of delicate and fibrous appearance,without shading,usually white in color and sometimes of a silky appearance are

Under what conditions can a cloud form when air is sinking?

When a cloud forms over and extends downwind of an isolated mountain peak,it is called a ____ cloud.

List the major height categories of clouds.What differences might you expect to find in clouds that form at these different levels?

Particles that serve as surfaces on which water vapor may condense are called

Fog is often described as a cloud that forms at ground level.In what ways are the formation of fog and clouds similar and different?

The TRMM (Tropical Rainfall Measuring Mission)satellite,a joint venture between NASA and the Japan Aerospace Exploration Agency,can pick out individual cloud features as small as 2.4 km (1.5 mi)in diameter.

Fog that forms in industrial areas is usually quite thick because the pollution particles provide large numbers of ____ nuclei on which water droplets can form.

Frost typically forms on the inside of a windowpane (rather than the outside) because