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Exam 5: Condensation: Dew, Fog, and Clouds

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Question 51

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

A) relative humidity
B) air pressure
C) wind
D) precipitation
E) temperature

F) A) and C)
G) All of the above

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Question 52

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List one or more key identifying features for each of the ten basic cloud types. Which cloud types might have fairly similar appearances and thus be difficult to identify?

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Cirrus - Cirrus clouds are thin, wispy c...

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Question 53

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The cloud with the greatest vertical growth is ____.

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

On an ordinary day, a volume of air about the size of your index finger contains between ____ and ____ particles.

Nacreous clouds form in the ____.

Hail is usually associated with ____ clouds.

In modern satellites, a special type of advanced radiometer (called a(n)____________________ )provides satellite images with much better resolution than was available in the past.

An anvil-shaped top is most often associated with ____.

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.

The TRMM ( T ropical R ainfall M easuring M ission)satellite, a joint venture between NASA and the Japan Aerospace Exploration Agency (JAXA), can pick out individual cloud features as small as 2.4 km (1.5 mi)in diameter.

Nuclei with a radius of less than 0.1 micrometers are referred to as ____ nuclei.

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

Light or moderate-but-steady precipitation is most often associated with ____ clouds.

Nacreous clouds are commonly described as ____________________ clouds.

____________________ fog forms when two unsaturated bodies of air mix and the resulting mixture is saturated.

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 ____________________.

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 ____________________.

Which region of the United States is particularly prone to upslope fog?

Explain how dew, frozen dew, and visible frost form.