Question 1

What differences might you expect to see between the weather conditions depicted on the surface in your city and at the 500 mb level above your city?

Accepted Answer

The weather conditions at the surface in

Question 2

Which of the following forces cannot act to change the speed of the wind?

Accepted Answer

A)  pressure gradient force 
B)  frictional force 
C)  Coriolis force 
D)  none of the above 
A)  pressure gradient force 
B)  frictional force 
C)  Coriolis force 
D)  none of the above

Question 3

The Coriolis force is the force that causes the wind to blow.

Accepted Answer

A) True 
 B)False

Question 4

Suppose a parcel of air has a given temperature,pressure,and density.If the parcel's size remains the same while its temperature increases,then the air pressure inside the parcel will

Accepted Answer

A)  decrease. 
B)  decrease to but not lower than 1,000 mb. 
C)  increase. 
D)  remain constant. 
A)  decrease. 
B)  decrease to but not lower than 1,000 mb. 
C)  increase. 
D)  remain constant.

Question 5

The wind around a surface high pressure center in the Northern Hemisphere blows

Accepted Answer

A)  counterclockwise and outward from the center. 
B)  counterclockwise and inward toward the center. 
C)  clockwise and outward from the center. 
D)  clockwise and inward toward the center. 
A)  counterclockwise and outward from the center. 
B)  counterclockwise and inward toward the center. 
C)  clockwise and outward from the center. 
D)  clockwise and inward toward the center.

Question 6

If the earth were to begin rotating in the other direction,would air still rise in the center of surface low pressure?

Accepted Answer

If the Earth were to begin rotating in t

Question 7

The vertical pressure gradient force is directed

Accepted Answer

A)  downward. 
B)  upward. 
C)  horizontally. 
A)  downward. 
B)  upward. 
C)  horizontally.

Question 8

If the earth did not rotate,how would you expect winds to blow with respect to high and low pressure centers?

Accepted Answer

If the Earth did not rotate, the global

Question 9

If directly above you at 10,000 feet the wind is blowing from the south,then it is a good bet that at 10,000 feet,the center of lowest pressure is ____ of you,while the center of highest pressure is ____ of you.

Accepted Answer

A)  west,east 
B)  south,north 
C)  east,west 
D)  north,south 
A)  west,east 
B)  south,north 
C)  east,west 
D)  north,south

Question 10

Which of the following can influence wind direction?

Accepted Answer

A)  Coriolis force 
B)  pressure gradient force 
C)  centripetal force 
D)  all of the above 
A)  Coriolis force 
B)  pressure gradient force 
C)  centripetal force 
D)  all of the above

Question 11

The amount of pressure change that occurs over a given horizontal distance is called the

Accepted Answer

A)  pressure tendency. 
B)  Coriolis parameter. 
C)  pressure gradient. 
D)  potential gradient. 
E)  slope. 
A)  pressure tendency. 
B)  Coriolis parameter. 
C)  pressure gradient. 
D)  potential gradient. 
E)  slope.

Question 12

If the earth stopped rotating,which of the following would not be true?

Accepted Answer

A)  Surface winds would below from high toward low pressure. 
B)  There would still be a Coriolis force. 
C)  There would still be a pressure gradient force. 
D)  There would still be a gravitational force. 
A)  Surface winds would below from high toward low pressure. 
B)  There would still be a Coriolis force. 
C)  There would still be a pressure gradient force. 
D)  There would still be a gravitational force.

Question 13

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. 
A)  from west to east. 
B)  from east to west. 
C)  from north to south. 
D)  from south to north.

Question 14

Under what conditions might a station pressure of 750 mb be observed?

Accepted Answer

A station pressure of 750 millibars (mb)

Question 15

Explain why closely-spaced contour lines on an upper-level isobaric chart are associated with fast winds.

Accepted Answer

Closely-spaced contour lines on an upper

Question 16

We can generally expect the air to be ____ above areas of surface low pressure and ____ above areas of surface high pressure.

Accepted Answer

A)  rising,rising 
B)  rising,sinking 
C)  sinking,sinking 
D)  sinking,rising 
A)  rising,rising 
B)  rising,sinking 
C)  sinking,sinking 
D)  sinking,rising

Question 17

Suppose a very cold parcel of air at 5.5 km (18,000 feet)is compared to a similar (but warm)parcel of air at sea level.Which of the following would be true?

Accepted Answer

A)  The parcel at sea level has higher pressure and higher density. 
B)  The parcel at sea level has lower pressure and higher density. 
C)  The parcel at sea level has lower pressure and lower density. 
D)  The parcel at sea level has higher pressure and lower density. 
A)  The parcel at sea level has higher pressure and higher density. 
B)  The parcel at sea level has lower pressure and higher density. 
C)  The parcel at sea level has lower pressure and lower density. 
D)  The parcel at sea level has higher pressure and lower density.

Question 18

Surface winds blow across the isobars at an angle due to

Accepted Answer

A)  the Coriolis force. 
B)  the pressure gradient force. 
C)  the frictional force. 
D)  the centripetal force. 
A)  the Coriolis force. 
B)  the pressure gradient force. 
C)  the frictional force. 
D)  the centripetal force.

Question 19

On an isobaric weather chart,the spacing of the height contours indicates the magnitude of the pressure gradient force.

Accepted Answer

A) True 
 B)False

Question 20

Suppose that the winds aloft are geostrophic and blowing from the north.Low pressure is located to the

Accepted Answer

A)  north. 
B)  south. 
C)  east. 
D)  west. 
A)  north. 
B)  south. 
C)  east. 
D)  west.

What differences might you expect to see between the weather conditions depicted on the surface in your city and at the 500 mb level above your city?

Which of the following forces cannot act to change the speed of the wind?

The Coriolis force is the force that causes the wind to blow.

Suppose a parcel of air has a given temperature,pressure,and density.If the parcel's size remains the same while its temperature increases,then the air pressure inside the parcel will

The wind around a surface high pressure center in the Northern Hemisphere blows

If the earth were to begin rotating in the other direction,would air still rise in the center of surface low pressure?

The vertical pressure gradient force is directed

If the earth did not rotate,how would you expect winds to blow with respect to high and low pressure centers?

If directly above you at 10,000 feet the wind is blowing from the south,then it is a good bet that at 10,000 feet,the center of lowest pressure is of you,while the center of highest pressure is of you.

Which of the following can influence wind direction?

The amount of pressure change that occurs over a given horizontal distance is called the

If the earth stopped rotating,which of the following would not be true?

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

Under what conditions might a station pressure of 750 mb be observed?

Explain why closely-spaced contour lines on an upper-level isobaric chart are associated with fast winds.

We can generally expect the air to be above areas of surface low pressure and above areas of surface high pressure.

Suppose a very cold parcel of air at 5.5 km (18,000 feet)is compared to a similar (but warm)parcel of air at sea level.Which of the following would be true?

Surface winds blow across the isobars at an angle due to

On an isobaric weather chart,the spacing of the height contours indicates the magnitude of the pressure gradient force.

Suppose that the winds aloft are geostrophic and blowing from the north.Low pressure is located to the

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Exam 8: Air Pressure and Winds

What differences might you expect to see between the weather conditions depicted on the surface in your city and at the 500 mb level above your city?

Which of the following forces cannot act to change the speed of the wind?

The Coriolis force is the force that causes the wind to blow.

Suppose a parcel of air has a given temperature,pressure,and density.If the parcel's size remains the same while its temperature increases,then the air pressure inside the parcel will

The wind around a surface high pressure center in the Northern Hemisphere blows

If the earth were to begin rotating in the other direction,would air still rise in the center of surface low pressure?

The vertical pressure gradient force is directed

If the earth did not rotate,how would you expect winds to blow with respect to high and low pressure centers?

If directly above you at 10,000 feet the wind is blowing from the south,then it is a good bet that at 10,000 feet,the center of lowest pressure is ____ of you,while the center of highest pressure is ____ of you.

Which of the following can influence wind direction?

The amount of pressure change that occurs over a given horizontal distance is called the

If the earth stopped rotating,which of the following would not be true?

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

Under what conditions might a station pressure of 750 mb be observed?

Explain why closely-spaced contour lines on an upper-level isobaric chart are associated with fast winds.

We can generally expect the air to be ____ above areas of surface low pressure and ____ above areas of surface high pressure.

Suppose a very cold parcel of air at 5.5 km (18,000 feet)is compared to a similar (but warm)parcel of air at sea level.Which of the following would be true?

Surface winds blow across the isobars at an angle due to

On an isobaric weather chart,the spacing of the height contours indicates the magnitude of the pressure gradient force.

Suppose that the winds aloft are geostrophic and blowing from the north.Low pressure is located to the

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 and Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light, Color, and Atmospheric Optics

Filters

If directly above you at 10,000 feet the wind is blowing from the south,then it is a good bet that at 10,000 feet,the center of lowest pressure is of you,while the center of highest pressure is of you.

We can generally expect the air to be above areas of surface low pressure and above areas of surface high pressure.