APUS/SCIN Week8 Lab

Topics: United States, Thunderstorm, Wind Pages: 4 (435 words) Published: October 26, 2014
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The main ingredients to form thunderstorms are
Question 1 of 9

A.Lift.
B.Moisture.
C.Instability.
D.All the above.

Answer Key: D
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The most likely time for an ordinary cell thunderstorm to form is Question 2 of 9

A.just before sunrise.
B.around midnight.
C.at noon.
D.just after sunrise.
E.late afternoon.

Answer Key: E
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Which of the following regions would you expect to have the most tornadoes in the winter? Question 3 of 9

A.southern Great Plains.
B.northern Great Plains.
C.Oklahoma.
D.southern Gulf States.

Answer Key: D

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In a region where severe thunderstorms with tornadoes are forming, one would not expect to observe
Question 4 of 9

A.the polar jet stream above the region.
B.a strong ridge of high pressure over the region.
C.a dry tongue of cold air between the 700 and 500 mb levels. D.moist warm air moving north at about the 850 mb level.

Answer Key: B
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During the summer, what conditions prevail near the surface over the Great Plains that help a hailstone survive as ice all the way to the ground?
Question 5 of 9

A.a warm, thick layer of moist air
B.a cold, shallow layer of dry air
C.a cold, thick layer of moist air
D.a warm, shallow layer of dry air
E.a warm, shallow layer of moist air

Answer Key: D
Question 6 of 9

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Where is the major ridge axis over the US in the image below?

A.Over the Great Lakes region
B.Over the southeast US.

C.Over the west coast of the US
D.Over Texas.

Answer Key: A
Question 7 of 9

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Where is the major trough over the US in the image below?

A.There is no trough in the image.
B.over the Great Plains of the US
C.over the west coast of the US
D.over the southeast US.

Answer Key: B
Question 8 of 9

10.0/ 10.0 Points

In the image of dewpoint temperatures below, what region will have enough moisture to sustain severe weather?...
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