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Exam 9: Weather Patterns

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Question 31

Multiple Choice

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A low- flying aircraft heading from point J to point H would most likely experience which of the following changes in wind direction?

A) N to S to W
B) SE to SW to NW
C) NE to N to NW
D) SW to SE to NE
E) E to W to NE

F) A) and D)
G) C) and E)

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Question 32

Multiple Choice

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Compared to other types of fronts, the weather associated with a cold front usually:

A) is more violent but of shorter duration.
B) does not involve thunderstorms.
C) is less violent but of longer duration.
D) covers more area.
E) involves less precipitation.

F) A) and C)
G) B) and E)

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Question 33

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Downstream from a ridge aloft, the wind direction is northwest.

Middle- latitude cyclones quickly die out once all the warm air has been lifted aloft.

-Line A- B represents:

Explain why divergence in the flow aloft is a necessary condition for the development and intensification of a midlatitude cyclone.

A midlatitude cyclone forms in western Canada, and very rapidly moves through the Dakotas and passes over the Great Lakes region, bringing very cold temperatures with it. This storm would probably be called a(an) :

The process best illustrated in the diagram of a front above is:

What type of occluded front is most common along the west coasts of continents?

Which of the following air masses is most likely to be the cold air in the diagram above?

Severe weather, including tornadoes, is most often associated with a ______front.

The arrival of a cold front brings:

Surface cyclones move at a speed that is:

Cold fronts are steeper than warm fronts.

Each of the statements refers to the approach or to the passage of a front. If the statement refers to the approach of a typical cold front, use the letter A for your answer. If the statement refers to the approach or passage of a typical warm front, use the letter B. If the statement applies to both, answer with letter C. -An "invading" cP air mass

Each of the statements refers to the approach or to the passage of a front. If the statement refers to the approach of a typical cold front, use the letter A for your answer. If the statement refers to the approach or passage of a typical warm front, use the letter B. If the statement applies to both, answer with letter C. -Cirrostratus clouds followed by altostratus

The type of front shown in the diagram above is:

-The type of weather most frequently associated with the front shown on the diagram above is:

Freezing rain and/or sleet occur most often with a cold front.

The more violent nature of weather produced by a cold front can be attributed to which two factors?