Question 1

Vertical air movement is necessary for the creation of a sea breeze.

Accepted Answer

A) True 
 B)False

Question 2

What do isobars represent on a map?

Accepted Answer

A)   the lowest pressures on the map
B)   lines connecting points of equal air pressure
C)   the highest pressures on the map
D)   areas of convergence in the upper atmosphereE) None of the above
F) B) and D)

Question 3

When representing wind direction numerically, winds from the north are associated with:

Accepted Answer

A)   0 degrees.
B)   235 degrees.
C)   90 degrees.
D)   180 degrees.E) B) and D)
F) None of the above

Question 4

The primary force which causes ALL winds is:

Accepted Answer

A)   Coriolis effect.
B)   pressure gradient force.
C)   geostrophic force.
D)   centrifugal force.
E)   inertia force.F) C) and D)
G) A) and B)

Question 5

Air pressure drops __________ with altitude in a column of cold (dense)  air than in a column of warm (less dense)  air.

Accepted Answer

A)   equally
B)   more slowly
C)   more rapidly
D)   less significantlyE) A) and B)
F) A) and C)

Question 6

Weather reports of wind express only the horizontal motion of the air. The vertical component of the air motion is usually:

Accepted Answer

A)   very much slower.
B)   about the same.
C)   only slightly slower.
D)   much faster.
E)   No general statement can be made.F) A) and B)
G) D) and E)

Question 7

The mercury barometer is larger and less portable than an aneroid barometer.

Accepted Answer

A) True 
 B)False

Question 8

If the earth were not rotating:

Accepted Answer

A)   atmospheric pressure would decrease.
B)   Earth would lose its atmosphere.
C)   all winds would cease.
D)   air would move directly from high to low pressure.E) A) and B)
F) A) and C)

Question 9

In the Northern Hemisphere, the Coriolis effect causes all moving objects that travel large distances in the atmosphere to deflect to the right of their original path.

Accepted Answer

A) True 
 B)False

Question 10

-Refer to the map above. What best explains the high wind speeds found immediately around the low pressure center (L) ?

Accepted Answer

A)   the higher humidity associated with low pressures
B)   the dramatically lower temperatures in the area
C)   increased friction
D)   the comparatively high pressure gradient in the areaE) A) and C)
F) None of the above

Question 11

Which of these factors influence the magnitude of the Coriolis force?

Accepted Answer

A)   latitude
B)   wind speed
C)   wind direction
D)   both wind speed and latitudeE) A) and B)
F) B) and C)

Question 12

Friction at the surface results in a stronger Coriolis force.

Accepted Answer

A) True 
 B)False

Question 13

When geostrophic conditions exist in the atmosphere, the net force on the moving air is:

Accepted Answer

A)   large since the wind speed is fast.
B)   zero.
C)   large when the wind speed is slow.
D)   called a centrifugal force.
E)   called a centripetal force.F) B) and D)
G) C) and D)

Question 14

What units of pressure are used when air pressure is reported to the public in the United States?

Accepted Answer

A)   millibars
B)   Newtons
C)   kilopascals
D)   inches of mercuryE) B) and D)
F) None of the above

Question 15

Which type of meteorological instrument is used to collect the necessary data for the production of upper- level weather charts?

Accepted Answer

A)   radiosonde
B)   mercury barometer
C)   altimeter
D)   hygrometerE) None of the above
F) All of the above

Question 16

A cyclone is generally defined by meteorologists as:

Accepted Answer

A)   a tornado on the ground.
B)   an intense, violent storm.
C)   an area of high pressure.
D)   an area of low pressure.E) A) and D)
F) A) and B)

Question 17

Winds flow cyclonically around all areas of low pressure.

Accepted Answer

A) True 
 B)False

Question 18

The inventor of the mercury barometer was Sir Francis Bacon.

Accepted Answer

A) True 
 B)False

Question 19

A steep pressure gradient indicates strong winds.

Accepted Answer

A) True 
 B)False

Question 20

The best explanation for the cause of atmospheric pressure is:

Accepted Answer

A)   air compression.
B)   air density.
C)   air temperature.
D)   wind force.
E)   weight of the air above.F) A) and D)
G) A) and C)

Exam 6: Air Pressure and Winds

If the earth were not rotating:

Correct AnswerverifiedShow Answer

Vertical air movement is necessary for the creation of a sea breeze.

Correct AnswerverifiedShow Answer

In the Northern Hemisphere, the Coriolis effect causes all moving objects that travel large distances in the atmosphere to deflect to the right of their original path.

Correct AnswerverifiedShow Answer

Weather reports of wind express only the horizontal motion of the air. The vertical component of the air motion is usually:

Correct AnswerverifiedShow Answer

Which of these factors influence the magnitude of the Coriolis force?

Correct AnswerverifiedShow Answer

A cyclone is generally defined by meteorologists as:

Correct AnswerverifiedShow Answer

Winds flow cyclonically around all areas of low pressure.

Correct AnswerverifiedShow Answer

The best explanation for the cause of atmospheric pressure is:

Correct AnswerverifiedShow Answer

When representing wind direction numerically, winds from the north are associated with:

Correct AnswerverifiedShow Answer

The primary force which causes ALL winds is:

Correct AnswerverifiedShow Answer

-Refer to the map above. What best explains the high wind speeds found immediately around the low pressure center (L) ?

Correct AnswerverifiedShow Answer

Friction at the surface results in a stronger Coriolis force.

Correct AnswerverifiedShow Answer

A steep pressure gradient indicates strong winds.

Correct AnswerverifiedShow Answer

The mercury barometer is larger and less portable than an aneroid barometer.

Correct AnswerverifiedShow Answer

The inventor of the mercury barometer was Sir Francis Bacon.

Correct AnswerverifiedShow Answer

What do isobars represent on a map?

Correct AnswerverifiedShow Answer

Air pressure drops __________ with altitude in a column of cold (dense) air than in a column of warm (less dense) air.

Correct AnswerverifiedShow Answer

Which type of meteorological instrument is used to collect the necessary data for the production of upper- level weather charts?

Correct AnswerverifiedShow Answer

What units of pressure are used when air pressure is reported to the public in the United States?

Correct AnswerverifiedShow Answer

When geostrophic conditions exist in the atmosphere, the net force on the moving air is:

Correct AnswerverifiedShow Answer

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