1. Mid-latitude cyclones a. Are regions of strong temperature contrasts b. Gener

Question

1. Mid-latitude cyclones

a. Are regions of strong temperature contrasts

b. Generally bring clear skies and little precipitation

c. Usually move across North America from east to west

d. Are generally only found over the ocean

2. The passage of a cold front is indicated by:

a. An increase in temperature, decrease in pressure

b. An increase in temperature, increase in pressure

c. A decrease in temperature, increase in pressure

d. A decrease in temperature, decrease in pressure

3. The continental U.S. lies within this wind belt.

a. Northerlies

b. Polar Easterlies

c. Trade Winds

d. Westerlies

4. In the Midwest, record-setting cold temperatures often result when a __________ air mass invades the region.

a. mP

b. cP

c. cA

d. mT

5. If an air mass were designated with the letters “mT”, what kind of air mass would it be?

a. Warm and moist air

b. Warm and dry air

c. Cold and dry air

d. Cold and wet air

e. Very cold and dry air

6. What force is ultimately responsible for the three cells of circulation we see in each hemisphere?

a. Pressure Gradient

b. Coriolis

c. Friction

d. None of these

7. The prevailing winds that blow between 0 and 30 degrees latitude are called:

a. Westerlies

b. Polar easterlies

c. Trade winds

d. Subtropical northerlies

e. None of these

8. When colder than normal water exists off the coast of Peru, we are said to have what is called:

a. La Nina

b. El Nino

c. Polar Front

d. Polar Easterlies

e. Jet Stream

9. An air mass that forms over the Northern Pacific is called?

a. Maritime Tropical

b. Maritime Polar

c. Continental Tropical

d. Continental Polar

10. A(n) __________ is a large parcel of the atmosphere, sometimes subcontinental in size, that may move over Earth’s surface as a distinct, relatively homogenous entity.

a. Lightning

b. Thunder

c. Stationary

d. Air Mass

Explanation / Answer

1.a. Are regions of strong temperature contrasts

2. c. A decrease in temperature, increase in pressure

3.d. Westerlies

4. c. cA

5. a. Warm and moist air

6. a. Pressure Gradient

7. c. Trade winds

8. a. La Nina

9. b. Maritime Polar

10. d. Air Mass

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