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Exam 5: Condensation Dew Fog and Clouds

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Question 51

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Distinguish among dry haze,wet haze,and fog.

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Dry haze: forms when the relative humidi...

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Question 52

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Which cloud forms in descending air?

A) cumulus fractus
B) cumulonimbus
C) ​mammatus
D) ​pileus
E) ​cirrus

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Question 53

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When temperatures are below freezing,the temperature to which air must be cooled in order for a phase change (from liquid to ice) to occur is called the

In Ralph Abercromby's and Hugo Hildebrandsson's cloud classification system,each of the four primary cloud groups is identified by the type of precipitation it produces.

When surfaces such as twigs,leaves,and blades of grass cool below the saturation temperature,water vapor begins to condense upon them,forming tiny visible specks of water called ____________________.If the air temperature should drop to freezing or below,the ____________________ will freeze,becoming tiny beads of ice called ____________________.

If fog is forming in Denver,Colorado (located on the eastern side of the Rocky Mountains) ,and the wind is blowing from the east,then the fog is most likely

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

Wet haze restricts visibility more than dry haze.

The fog that forms along the Pacific coastline of North America is mainly of which type?

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.

Outline the historic development of the cloud classification system used today.

Fog is a major hazard to aviation.

The foggiest spot near sea level in the United States is Cape Cod,Massachusetts.

It is difficult to directly identify significant cloud and surface features on an infrared image when ____ differences are small.

When viewed from the surface,these clouds may be viewed as individual cloud elements (puffs) or as rows of ripples that resemble the scales of a fish.

A layer of dust or salt particles suspended above a region is called ____________________.

An anvil-shaped top is most often associated with

What kinds of information about clouds could you hope to determine using infrared and visible satellite photographs?

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