Question 1

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 2

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 3

On an upper-level chart,normally we find warm air associated with __________ pressure,and cold air associated with __________ pressure.

Accepted Answer

A) high,high 
B) high,low 
C) low,low 
D) low,high 
A) high,high 
B) high,low 
C) low,low 
D) low,high

Question 4

A station at an altitude of 900 m (about 3,000 feet)above sea level measures an air pressure of 930 mb.Under normal conditions,which of the values below do you think would be the most realistic sea level pressure for this station?

Accepted Answer

A) 840 mb 
B) 930 mb 
C) 1,020 mb 
D) 1,830 mb 
A) 840 mb 
B) 930 mb 
C) 1,020 mb 
D) 1,830 mb

Question 5

Explain why it is often windy at the beach.What forces are responsible,and how do beachfront conditions differ from conditions farther inland?

Accepted Answer

It is often windy at the beach due to a

Question 6

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 7

Warm air aloft is associated with constant pressure surfaces that are found
At __________ altitude than normal and __________ than normal atmospheric pressure aloft.

Accepted Answer

A) higher,higher 
B) higher,lower 
C) lower,higher 
D) lower,lower 
A) higher,higher 
B) higher,lower 
C) lower,higher 
D) lower,lower

Question 8

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 9

Briefly explain the principle of the mercury barometer.Mercury is relatively expensive and toxic.Why do you think mercury is used in barometers instead of another fluid such as water?

Accepted Answer

A mercury barometer is an instrument use

Question 10

Fast winds at high latitudes produce the strongest Coriolis force.

Accepted Answer

A) True 
 B)False

Question 11

If the earth's gravitational force were to increase,atmospheric pressure at the ground would:

Accepted Answer

A) increase. 
B) decrease. 
C) remain the same. 
D) cause the atmosphere to expand vertically. 
A) increase. 
B) decrease. 
C) remain the same. 
D) cause the atmosphere to expand vertically.

Question 12

The surface pressures at the bases of warm and cold columns of air are equal.Air pressure in the warm column of air will __________ with increasing height __________ than in the cold column.

Accepted Answer

A) decrease,more rapidly 
B) decrease,more slowly 
C) increase,more rapidly 
D) increase,more slowly 
A) decrease,more rapidly 
B) decrease,more slowly 
C) increase,more rapidly 
D) increase,more slowly

Question 13

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 14

If a liquid with a lower density than mercury were used in a barometer the height of the column in the barometer would:

Accepted Answer

A) increase. 
B) decrease. 
C) remain the same. 
D) not provide an accurate measure of atmospheric pressure. 
A) increase. 
B) decrease. 
C) remain the same. 
D) not provide an accurate measure of atmospheric pressure.

Question 15

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

Accepted Answer

A) Coriolis 
B) pressure-gradient 
C) friction 
A) Coriolis 
B) pressure-gradient 
C) friction

Question 16

Low __________ on a constant height chart corresponds to low __________ on a constant pressure chart.

Accepted Answer

A) pressures,pressures 
B) pressures,heights 
C) heights,pressures 
D) heights,heights 
A) pressures,pressures 
B) pressures,heights 
C) heights,pressures 
D) heights,heights

Question 17

On an upper-level chart the wind tends to blow:

Accepted Answer

A) at right angles to the isobars or contour lines 
B) parallel to the isobars or contours 
C) at an angle between 10 and 30 to the contours and towards lower pressure 
D) at constant speed 
A) at right angles to the isobars or contour lines 
B) parallel to the isobars or contours 
C) at an angle between 10 and 30 to the contours and towards lower pressure 
D) at constant speed

Question 18

If the earth stopped rotating there would no longer be a Coriolis force.

Accepted Answer

A) True 
 B)False

Question 19

If,at your home in the Northern Hemisphere,the surface wind is blowing from the northwest,then the region of lowest pressure will be to the east of your home.

Accepted Answer

A) True 
 B)False

Question 20

A surface low pressure center is generally associated with __________ on an upper level isobaric chart.

Accepted Answer

A) a trough 
B) a ridge 
C) zonal flow 
D) convergence 
A) a trough 
B) a ridge 
C) zonal flow 
D) convergence

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

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

On an upper-level chart,normally we find warm air associated with pressure,and cold air associated with pressure.

A station at an altitude of 900 m (about 3,000 feet)above sea level measures an air pressure of 930 mb.Under normal conditions,which of the values below do you think would be the most realistic sea level pressure for this station?

Explain why it is often windy at the beach.What forces are responsible,and how do beachfront conditions differ from conditions farther inland?

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

Warm air aloft is associated with constant pressure surfaces that are found At altitude than normal and than normal atmospheric pressure aloft.

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

Briefly explain the principle of the mercury barometer.Mercury is relatively expensive and toxic.Why do you think mercury is used in barometers instead of another fluid such as water?

Fast winds at high latitudes produce the strongest Coriolis force.

If the earth's gravitational force were to increase,atmospheric pressure at the ground would:

The surface pressures at the bases of warm and cold columns of air are equal.Air pressure in the warm column of air will with increasing height than in the cold column.

Which of the following can influence wind direction?

If a liquid with a lower density than mercury were used in a barometer the height of the column in the barometer would:

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

Low on a constant height chart corresponds to low on a constant pressure chart.

On an upper-level chart the wind tends to blow:

If the earth stopped rotating there would no longer be a Coriolis force.

If,at your home in the Northern Hemisphere,the surface wind is blowing from the northwest,then the region of lowest pressure will be to the east of your home.

A surface low pressure center is generally associated with __________ on an upper level isobaric chart.

The Turbulent Atmosphere

Energy That Drives the Storms

Temperature and Humidity Extremes

Condensation in the Atmosphere

Clouds and Stability

Precipitation Extremes

Wind Systems

Air Masses and Fronts

Mid-Latitude Cyclonic Storms

Thunderstorms

Tornadoes

Hurricanes

Weather Forecasting

The Earths Changing Climate

Filters

Exam 7: Atmospheric Motions

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

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

On an upper-level chart,normally we find warm air associated with __________ pressure,and cold air associated with __________ pressure.

A station at an altitude of 900 m (about 3,000 feet)above sea level measures an air pressure of 930 mb.Under normal conditions,which of the values below do you think would be the most realistic sea level pressure for this station?

Explain why it is often windy at the beach.What forces are responsible,and how do beachfront conditions differ from conditions farther inland?

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

Warm air aloft is associated with constant pressure surfaces that are found At __________ altitude than normal and __________ than normal atmospheric pressure aloft.

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

Briefly explain the principle of the mercury barometer.Mercury is relatively expensive and toxic.Why do you think mercury is used in barometers instead of another fluid such as water?

Fast winds at high latitudes produce the strongest Coriolis force.

If the earth's gravitational force were to increase,atmospheric pressure at the ground would:

The surface pressures at the bases of warm and cold columns of air are equal.Air pressure in the warm column of air will __________ with increasing height __________ than in the cold column.

Which of the following can influence wind direction?

If a liquid with a lower density than mercury were used in a barometer the height of the column in the barometer would:

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

Low __________ on a constant height chart corresponds to low __________ on a constant pressure chart.

On an upper-level chart the wind tends to blow:

If the earth stopped rotating there would no longer be a Coriolis force.

If,at your home in the Northern Hemisphere,the surface wind is blowing from the northwest,then the region of lowest pressure will be to the east of your home.

A surface low pressure center is generally associated with __________ on an upper level isobaric chart.

The Turbulent Atmosphere

Energy That Drives the Storms

Temperature and Humidity Extremes

Condensation in the Atmosphere

Clouds and Stability

Precipitation Extremes

Wind Systems

Air Masses and Fronts

Mid-Latitude Cyclonic Storms

Thunderstorms

Tornadoes

Hurricanes

Weather Forecasting

The Earths Changing Climate

Filters

On an upper-level chart,normally we find warm air associated with pressure,and cold air associated with pressure.

Warm air aloft is associated with constant pressure surfaces that are found At altitude than normal and than normal atmospheric pressure aloft.

The surface pressures at the bases of warm and cold columns of air are equal.Air pressure in the warm column of air will with increasing height than in the cold column.

Low on a constant height chart corresponds to low on a constant pressure chart.