Question 1

Of the various elements of weather,changes in air pressure are probably the most obvious.

Accepted Answer

A) True 
 B)False

Question 2

Most deserts are associated with the subtropical high.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following devices measures both wind direction and speed?

Accepted Answer

A)  anemometer
B)  wind vane
C)  wind sock
D)  None of these can measure both wind speed and direction.E) A) and C)
F) B) and C)

Question 4

In the Northern Hemisphere,the winds associated with a low pressure system (cyclone) blow ________.

Accepted Answer

A)  clockwise and toward the center
B)  counterclockwise and toward the center
C)  clockwise and outward from the center
D)  counterclockwise and outward from the centerE) All of the above
F) B) and D)

Question 5

The force that generates wind is known as the ________ force.

Accepted Answer

The answer of The force that generates wind is known...

Question 6

The Coriolis effect influences ________.

Accepted Answer

A)  only wind speed
B)  only wind direction
C)  both wind speed and wind direction
D)  neither wind speed nor wind directionE) None of the above
F) B) and C) B

Question 7

Upper air winds are generally faster than the surface winds directly below.

Accepted Answer

A) True 
 B)False

Question 8

An isobar is a line connecting places of equal humidity.

Accepted Answer

A) True 
 B)False

Question 9

Isobars are lines on a weather map representing what?

Accepted Answer

A)  lines of equal air pressure
B)  lines of equivalent air speed
C)  lines of equal elevation for the tropopause
D)  lines showing equal density of barsE) None of the above
F) A) and B) A

Question 10

When someone says we have a southeast wind,what direction would you look to face into the wind?

Accepted Answer

A)  southeast
B)  northwest
C)  east
D)  westE) A) and B)
F) A) and C)

Question 11

When winds blow parallel to the isobars,which is usually the case for winds aloft,they are called ________ winds.

Accepted Answer

The answer of When winds blow parallel to the isobars,which...

Question 12

equatorial low trade winds polar front subtropical high

Accepted Answer

The answer of equatorial low trade winds polar front subtropical...

Question 13

A Santa Ana (or Chinook or Foehn) wind is a ________.

Accepted Answer

A)  wind associated with a blizzard
B)  cold,damp wind blowing off a snow field
C)  wind that is common to the world's deserts
D)  very dry,warm wind flowing down a mountain slopeE) None of the above
F) All of the above

Question 14

Why do storm systems move from west to east in mid latitudes of the Northern Hemisphere?

Accepted Answer

A)  The storms are steered by approximately west to east winds aloft that are approximately geostrophic winds produced by Coriolis forces.
B)  The prevailing wind is from the west.
C)  The prevailing wind is from the east,and the storm systems move toward the surface flow.
D)  The continents break up air flow that would normally be south to north and the Coriolis force turns the storms to the right,or toward the east.E) B) and D)
F) A) and B)

Question 15

Standard sea level air pressure is 1013 millibars.

Accepted Answer

A) True 
 B)False

Question 16

The region where the trade winds meet is also called the doldrums.

Accepted Answer

A) True 
 B)False

Question 17

You might wonder why a millibar isn't exactly 1/1000th of an atmosphere.The unit is actually related to the old CGS units because atmospheric pressure is close to this unit.In CGS units 1 bar = 1000 dynes/cm2.Pressure is often incorrectly reported as kg/cm2,which is neither a legitimate pressure unit nor a standard SI unit (pressure is force/unit area,and kg are a mass unit,and SI units never mix kg and cm) .So let's straighten out your friends on these units.Standard air pressure in this incorrect unit is 1.034 kg/cm2.The weight of a kg at the earth's surface is 980,000 dynes.So what is standard air pressure in millibars?

Accepted Answer

A)  750 mb
B)  890 mb
C)  1013 mb
D)  1143 mbE) None of the above
F) All of the above C

Question 18

Horizontal movement of air is called wind.

Accepted Answer

A) True 
 B)False

Question 19

Low air pressure systems are usually associated with ________.

Accepted Answer

A)  diverging surface winds and low pressure aloft
B)  descending air and low pressure aloft
C)  converging air,precipitation,and high pressure aloft
D)  clear weatherE) A) and B)
F) A) and C)

Question 20

Another name for the area of equatorial low pressure is the ________.

Accepted Answer

A)  subpolar easterlies
B)  westerlies
C)  doldrums
D)  horse latitudesE) A) and B)
F) A) and C)

Exam 18: Air Pressure and Wind

Of the various elements of weather,changes in air pressure are probably the most obvious.

Correct Answer
verified

Most deserts are associated with the subtropical high.

Correct Answer
verified

Which of the following devices measures both wind direction and speed?

Correct Answer
verified

In the Northern Hemisphere,the winds associated with a low pressure system (cyclone) blow ________.

Correct Answer
verified

The force that generates wind is known as the ________ force.

Correct Answer
verified

The Coriolis effect influences ________.

Correct Answer
verified
B

Upper air winds are generally faster than the surface winds directly below.

Correct Answer
verified

An isobar is a line connecting places of equal humidity.

Correct Answer
verified

Isobars are lines on a weather map representing what?

Correct Answer
verified
A

When someone says we have a southeast wind,what direction would you look to face into the wind?

Correct Answer
verified

When winds blow parallel to the isobars,which is usually the case for winds aloft,they are called ________ winds.

Correct Answer
verified

equatorial low trade winds polar front subtropical high

Correct Answer
verified

A Santa Ana (or Chinook or Foehn) wind is a ________.

Correct Answer
verified

Why do storm systems move from west to east in mid latitudes of the Northern Hemisphere?

Correct Answer
verified

Standard sea level air pressure is 1013 millibars.

Correct Answer
verified

The region where the trade winds meet is also called the doldrums.

Correct Answer
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Correct Answer
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C

Horizontal movement of air is called wind.

Correct Answer
verified

Low air pressure systems are usually associated with ________.

Correct Answer
verified

Another name for the area of equatorial low pressure is the ________.

Correct Answer
verified

Exam 18: Air Pressure and Wind

Of the various elements of weather,changes in air pressure are probably the most obvious.

Correct AnswerverifiedShow Answer

Most deserts are associated with the subtropical high.

Correct AnswerverifiedShow Answer

Which of the following devices measures both wind direction and speed?

Correct AnswerverifiedShow Answer

In the Northern Hemisphere,the winds associated with a low pressure system (cyclone) blow ________.

Correct AnswerverifiedShow Answer

The force that generates wind is known as the ________ force.

Correct AnswerverifiedShow Answer

The Coriolis effect influences ________.

Correct AnswerverifiedB

Upper air winds are generally faster than the surface winds directly below.

Correct AnswerverifiedShow Answer

An isobar is a line connecting places of equal humidity.

Correct AnswerverifiedShow Answer

Isobars are lines on a weather map representing what?

Correct AnswerverifiedA

When someone says we have a southeast wind,what direction would you look to face into the wind?

Correct AnswerverifiedShow Answer

When winds blow parallel to the isobars,which is usually the case for winds aloft,they are called ________ winds.

Correct AnswerverifiedShow Answer

equatorial low trade winds polar front subtropical high

Correct AnswerverifiedShow Answer

A Santa Ana (or Chinook or Foehn) wind is a ________.

Correct AnswerverifiedShow Answer

Why do storm systems move from west to east in mid latitudes of the Northern Hemisphere?

Correct AnswerverifiedShow Answer

Standard sea level air pressure is 1013 millibars.

Correct AnswerverifiedShow Answer

The region where the trade winds meet is also called the doldrums.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedC

Horizontal movement of air is called wind.

Correct AnswerverifiedShow Answer

Low air pressure systems are usually associated with ________.

Correct AnswerverifiedShow Answer

Another name for the area of equatorial low pressure is the ________.

Correct AnswerverifiedShow Answer

Correct Answer
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B

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A

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C

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