Exam 5: Condensation - Dew - Fog - and Clouds

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​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 ____________________.

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

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

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​In regions where there are no clouds, it is difficult to observe the movement of air using satellite imaging. To help with this situation, geostationary satellites are equipped with ____ that can profile the distribution of atmospheric water vapor in the middle and upper troposphere.

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

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​Thick clouds of this type can be used to predict rain or snow within 12 to 24 hours because the often appear ahead of an advancing cyclonic storm.

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​List the main types of fog, and then briefly explain how each one forms. Where might you expect each of these different types of fog to form?

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​On a cold morning, it is possible to see your breath even if the air temperature is above freezing.

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​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.

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​Oils, gasoline, and paraffins are examples of ____________________ nuclei.

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

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​Which cloud forms in descending air?

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​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.

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​Near the shore of an extremely large lake, steam fog is more likely to form during the ____ and advection fog in early ____.

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​Aside from cumulonimbus clouds that sometimes penetrate into the stratosphere, all clouds are observed in the lower atmosphere.

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

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

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​Explain why clouds form in rising air.

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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.

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