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Exam 9: Wind Small Scale and Local Systems

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Question 41

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The nighttime counterpart of the sea breeze circulation is called

A) Chinook.
B) Santa Ana.
C) ​land breeze.
D) ​a night breeze.
E) ​foehn.

F) B) and D)
G) C) and E)

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Question 42

Multiple Choice

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The wind's speed generally increases with height above Earth's surface because

A) only the lowest layer of air rotates with Earth.
B) air temperature normally decreases with height.
C) ​wind instruments are not accurate at Earth's surface.
D) ​friction with Earth's surface slows the air near the ground.
E) ​air parcels expand and become less dense as they rise above the surface.

F) A) and B)
G) B) and D)

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Question 43

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If huge waves pound against the beach communities of Southern California for several days during clear,calm weather,it is a good bet that

Santa Ana winds warm by ____________________ as they flow down an elevated desert plateau.

The howling of wind on a blustery night is believed to be caused by

Strong winds blowing over vegetation results in rapid water loss in the plant.

A katabatic wind is a cold and ____________________ wind.

A sea breeze circulation will reverse direction and become a land breeze

Prevailing offshore winds in summer carry moisture,cool air,and fog into coastal regions,whereas prevailing onshore breezes carry warmer and drier air into the same locations.

Wind direction and speed can be determined with an aerovane.

At many locations,the wind blows more frequently from one direction than from any other.The ____________________ is the name given to the wind direction most often observed during a given time period.

When the slowing of a fluid-such as air-is due to the random motion of the gas molecules,the viscosity is referred to as ____________________.

Clouds and precipitation are frequently found on the downwind side of a large lake.This would indicate that the air on the downwind side is

In south Florida the prevailing winds are northeasterly.Because of this,the strongest sea breeze is usually observed on Florida's ____ coast,and the strongest land breeze on Florida's ____ coast.

A valley breeze develops its maximum strength in the early afternoon.

What is clear air turbulence (CAT)? Why does clear air turbulence represent a hazard to aviation?

On a clear,windy day,the depth to which mixing occurs above the surface depends upon

You are hiking on a mountain trail at sunrise when you smell the smoke from cooking bacon.You can't see where the smoke is coming from.Would you expect the camp to be above you or below you on the mountain? Explain.

In the northeastern half of the United States,the prevailing wind in winter is northwest and in summer it is southwest.

During the monsoon season,rainfall is enhanced by weak,westward-moving low-pressure areas called ____________________,whose formation is aided by an upper-level jet stream.