SU- Aviation Weather PP Exam

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Every physical process of weather is accompanied by, or is the result of, a

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heat exchange.

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What causes variations in altimeter settings between weather reporting points? Options: Unequal heating of the Earth's surface., Variations of terrain elevation., Coriolis force.

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Unequal heating of the Earth's surface.

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The wind at 5,000 feet AGL is southwesterly while the surface wind is southerly. This difference in direction is primarily due to

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friction between the wind and the surface.

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The development of thermals depends upon

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solar heating.

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Convective circulation patterns associated with sea breezes are caused by

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cool, dense air moving inland from over the water.

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The boundary between two different air masses is referred to as a

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front.

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One weather phenomenon which will always occur when flying across a front is a change in the

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wind direction.

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One of the most easily recognized discontinuities across a front is: a change in temperature, an increase in cloud coverage, an increase in relative humidity.

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a change in temperature.

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If there is thunderstorm activity in the vicinity of an airport at which you plan to land, which hazardous atmospheric phenomenon might be expected on the landing approach?

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Wind-shear turbulence.

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A non-frontal, narrow band of active thunderstorms that often develop ahead of a cold front is known as a

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squall line.