Question 1

Because of friction, surface winds move ____ winds aloft with the same pressure gradient.​

Accepted Answer

A)  ​more slowly than 
B)  ​at the same speed as 
C)  ​faster than 
D)  ​twice as fast as 
E)  ​at half the speed as 
A)  ​more slowly than 
B)  ​at the same speed as 
C)  ​faster than 
D)  ​twice as fast as 
E)  ​at half the speed as A

Question 2

Because lows are also known as cyclones, the flow of air around them is often called ____________________.

Accepted Answer

cyclonic flow

Question 3

The unit of pressure designated by the International System (SI) of measurement is the ____.​

Accepted Answer

A)  ​atmospheric pressure 
B)  ​millibar 
C)  ​bar 
D)  ​torr 
E)  ​pascal 
A)  ​atmospheric pressure 
B)  ​millibar 
C)  ​bar 
D)  ​torr 
E)  ​pascal E

Question 4

The Coriolis force deflects winds to the ____________________ in the Northern Hemisphere and to the ____________________ in the Southern Hemisphere.​

Accepted Answer

The answer of The Coriolis force deflects winds to the...

Question 5

The winds aloft in the middle latitudes of the Southern Hemisphere generally blow​

Accepted Answer

A)  ​from west to east. 
B)  ​from east to west. 
C)  ​from north to south. 
D)  ​from south to north. 
E)  ​in any of the above directions. 
A)  ​from west to east. 
B)  ​from east to west. 
C)  ​from north to south. 
D)  ​from south to north. 
E)  ​in any of the above directions.

Question 6

Net convergence of air would cause surface pressure to ____ and net divergence would cause surface pressure to ____.​

Accepted Answer

A)  ​increase; decrease 
B)  ​increase; increase 
C)  ​decrease; decrease 
D)  ​decrease; increase 
E)  ​remain the same; remain the same 
A)  ​increase; decrease 
B)  ​increase; increase 
C)  ​decrease; decrease 
D)  ​decrease; increase 
E)  ​remain the same; remain the same

Question 7

Zonal flow wind-flow patterns are associated with​

Accepted Answer

A)  ​north-to-south flows. 
B)  ​south-to-north flows. 
C)  ​east-to-west flows.. 
D)  ​west-to-east flows. 
E)  ​random directional flows. 
A)  ​north-to-south flows. 
B)  ​south-to-north flows. 
C)  ​east-to-west flows.. 
D)  ​west-to-east flows. 
E)  ​random directional flows.

Question 8

What is considered standard sea-level atmospheric pressure in millibars?​

Accepted Answer

A)  ​101.25 mb 
B)  ​103.25 mb 
C)  ​1013.52 mb 
D)  ​1031.25 mb 
E)  ​1013.25 mb 
A)  ​101.25 mb 
B)  ​103.25 mb 
C)  ​1013.52 mb 
D)  ​1031.25 mb 
E)  ​1013.25 mb

Question 9

The contour lines drawn on a 500 mb chart are lines of constant​

Accepted Answer

A)  ​wind speed. 
B)  ​pressure. 
C)  ​density. 
D)  ​wind direction. 
E)  ​temperature. 
A)  ​wind speed. 
B)  ​pressure. 
C)  ​density. 
D)  ​wind direction. 
E)  ​temperature.

Question 10

The pressure gradient force is directed from higher pressure toward lower pressure​

Accepted Answer

A)  ​only at the equator. 
B)  ​at all places on Earth except for the equator. 
C)  ​only in the Northern Hemisphere. 
D)  ​only in the Southern Hemisphere. 
E)  ​at all places on Earth. 
A)  ​only at the equator. 
B)  ​at all places on Earth except for the equator. 
C)  ​only in the Northern Hemisphere. 
D)  ​only in the Southern Hemisphere. 
E)  ​at all places on Earth.

Question 11

According to Newton's second law, an object will always accelerate in the direction of the total force acting on it. Therefore, to determine in which direction the wind will blow, we must identify and examine all of the forces that affect the horizontal movement of air. These forces are the ____________________ force, the ____________________ force, and the Coriolis force.

Accepted Answer

pressure gradient; frictional

Question 12

Which of the following instruments measures pressure?​

Accepted Answer

A)  ​barometer 
B)  ​thermometer 
C)  ​radiometer 
D)  ​hygrometer 
E)  ​densitometer 
A)  ​barometer 
B)  ​thermometer 
C)  ​radiometer 
D)  ​hygrometer 
E)  ​densitometer

Question 13

Another term for isobaric chart is ____________________.

Accepted Answer

constant p

Question 14

The pressure announced on last night's television weather broadcast was 29.92. Explain how this was measured and give the units. Would this be considered an unusually large or low pressure value?

Accepted Answer

"29.92" stands for 29.92 inches of mercu

Question 15

​100 pascals equals 10 millibar.

Accepted Answer

A) True 
 B)False

Question 16

​The pressure gradient force has a direct effect on horizontal wind movements.

Accepted Answer

A) True 
 B)False

Question 17

A pascal (Pa) is the force of ____ acting on a surface area of ____.​

Accepted Answer

A)  ​1 Newton; 1 square meter 
B)  ​100 Newton; 1 square meter 
C)  ​1 Newton; 1 square foot 
D)  ​1 Newton; 1 square inch 
E)  ​10 Newton; 1 square foot 
A)  ​1 Newton; 1 square meter 
B)  ​100 Newton; 1 square meter 
C)  ​1 Newton; 1 square foot 
D)  ​1 Newton; 1 square inch 
E)  ​10 Newton; 1 square foot

Question 18

Air moves in response to pressure differences. Because air pressure decreases rapidly with increasing height above the surface, there is always a strong pressure gradient force directed upward, much stronger than in the horizontal. Why, then, doesn't the air rush off into space?

Accepted Answer

Air does not rush off into space because

Question 19

​In the Northern Hemisphere, the average height of contour lines on an upper-level isobaric chart tend to decrease northward.

Accepted Answer

A) True 
 B)False

Question 20

​The pressure gradient force is non-existent at the equator.

Accepted Answer

A) True 
 B)False

Because of friction, surface winds move ____ winds aloft with the same pressure gradient.

Because lows are also known as cyclones, the flow of air around them is often called ____________________.

The unit of pressure designated by the International System (SI) of measurement is the ____.

The Coriolis force deflects winds to the in the Northern Hemisphere and to the in the Southern Hemisphere.

The winds aloft in the middle latitudes of the Southern Hemisphere generally blow

Net convergence of air would cause surface pressure to and net divergence would cause surface pressure to .

Zonal flow wind-flow patterns are associated with

What is considered standard sea-level atmospheric pressure in millibars?

The contour lines drawn on a 500 mb chart are lines of constant

The pressure gradient force is directed from higher pressure toward lower pressure

Which of the following instruments measures pressure?

Another term for isobaric chart is ____________________.

The pressure announced on last night's television weather broadcast was 29.92. Explain how this was measured and give the units. Would this be considered an unusually large or low pressure value?

100 pascals equals 10 millibar.

The pressure gradient force has a direct effect on horizontal wind movements.

A pascal (Pa) is the force of acting on a surface area of .

Air moves in response to pressure differences. Because air pressure decreases rapidly with increasing height above the surface, there is always a strong pressure gradient force directed upward, much stronger than in the horizontal. Why, then, doesn't the air rush off into space?

In the Northern Hemisphere, the average height of contour lines on an upper-level isobaric chart tend to decrease northward.

The pressure gradient force is non-existent at the equator.

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Precipitation

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

Exam 8: Air Pressure and Winds

Because of friction, surface winds move ____ winds aloft with the same pressure gradient.​

Because lows are also known as cyclones, the flow of air around them is often called ____________________.

The unit of pressure designated by the International System (SI) of measurement is the ____.​

The Coriolis force deflects winds to the ____________________ in the Northern Hemisphere and to the ____________________ in the Southern Hemisphere.​

The winds aloft in the middle latitudes of the Southern Hemisphere generally blow​

Net convergence of air would cause surface pressure to ____ and net divergence would cause surface pressure to ____.​

Zonal flow wind-flow patterns are associated with​

What is considered standard sea-level atmospheric pressure in millibars?​

The contour lines drawn on a 500 mb chart are lines of constant​

The pressure gradient force is directed from higher pressure toward lower pressure​

Which of the following instruments measures pressure?​

Another term for isobaric chart is ____________________.

The pressure announced on last night's television weather broadcast was 29.92. Explain how this was measured and give the units. Would this be considered an unusually large or low pressure value?

​100 pascals equals 10 millibar.

​The pressure gradient force has a direct effect on horizontal wind movements.

A pascal (Pa) is the force of ____ acting on a surface area of ____.​

Air moves in response to pressure differences. Because air pressure decreases rapidly with increasing height above the surface, there is always a strong pressure gradient force directed upward, much stronger than in the horizontal. Why, then, doesn't the air rush off into space?

​In the Northern Hemisphere, the average height of contour lines on an upper-level isobaric chart tend to decrease northward.

​The pressure gradient force is non-existent at the equator.

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Precipitation

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

Because of friction, surface winds move ____ winds aloft with the same pressure gradient.

The unit of pressure designated by the International System (SI) of measurement is the ____.

The Coriolis force deflects winds to the in the Northern Hemisphere and to the in the Southern Hemisphere.

The winds aloft in the middle latitudes of the Southern Hemisphere generally blow

Net convergence of air would cause surface pressure to and net divergence would cause surface pressure to .

Zonal flow wind-flow patterns are associated with

What is considered standard sea-level atmospheric pressure in millibars?

The contour lines drawn on a 500 mb chart are lines of constant

The pressure gradient force is directed from higher pressure toward lower pressure

Which of the following instruments measures pressure?

100 pascals equals 10 millibar.

The pressure gradient force has a direct effect on horizontal wind movements.

A pascal (Pa) is the force of acting on a surface area of .

In the Northern Hemisphere, the average height of contour lines on an upper-level isobaric chart tend to decrease northward.

The pressure gradient force is non-existent at the equator.