Question 1

The wind speed normally increases with height in the layer of air next to the ground.This illustrates the fact that:

Accepted Answer

A) friction is present only close to the ground. 
B) the lowest part of the atmosphere is turbulent. 
C) temperature decreases with height. 
D) pressure decreases with height. 
E) density decreases with height. 
A) friction is present only close to the ground. 
B) the lowest part of the atmosphere is turbulent. 
C) temperature decreases with height. 
D) pressure decreases with height. 
E) density decreases with height.

Question 2

Of the various elements of weather and climate,changes in air pressure are probably the most easily perceived by people.

Accepted Answer

A) True 
 B)False

Question 3

What is the average sea level pressure in the United States?

Accepted Answer

A) 29.92 mb 
B) 766 mb 
C) 1000 mb 
D) 1013 mb 
A) 29.92 mb 
B) 766 mb 
C) 1000 mb 
D) 1013 mb

Question 4

Why do surface winds cross the isobars at an angle toward lower pressure (instead of blowing parallel to the isobars)?

Accepted Answer

A) Friction reduces the speed so Coriolis is weakened. 
B) Pressure gradient becomes stronger near the surface. 
C) It results from divergence in the surface wind. 
D) Coriolis strengthens by combining with friction. 
E) Convergence of upper level winds causes this. 
A) Friction reduces the speed so Coriolis is weakened. 
B) Pressure gradient becomes stronger near the surface. 
C) It results from divergence in the surface wind. 
D) Coriolis strengthens by combining with friction. 
E) Convergence of upper level winds causes this.

Question 5

The primary force which causes all winds is:

Accepted Answer

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

Question 6

How does friction act to change the direction of the wind near the earth's surface?

Accepted Answer

Friction reduces the

Question 7

Upper air winds:

Accepted Answer

A) are greatly influenced by friction. 
B) are generally faster than surface winds. 
C) are unaffected by the Coriolis force. 
D) do not influence surface weather. 
A) are greatly influenced by friction. 
B) are generally faster than surface winds. 
C) are unaffected by the Coriolis force. 
D) do not influence surface weather.

Question 8

Divergence in the atmosphere is best defined as:

Accepted Answer

A) air moving out of an area. 
B) air piling up in one area. 
C) warm air moving away from cold air. 
D) clouds separating and dissipating. 
A) air moving out of an area. 
B) air piling up in one area. 
C) warm air moving away from cold air. 
D) clouds separating and dissipating.

Question 9

Which of the following would involve the greatest change in atmospheric pressure?

Accepted Answer

A) horizontal airplane flight of 200 miles 
B) balloon ascent from sea level to 3 miles 
C) travel from center of a low pressure system to center of a high pressure system 
D) difference between the highest and lowest recorded pressure at any one weather station 
A) horizontal airplane flight of 200 miles 
B) balloon ascent from sea level to 3 miles 
C) travel from center of a low pressure system to center of a high pressure system 
D) difference between the highest and lowest recorded pressure at any one weather station

Question 10

Who invented the mercury barometer?

Accepted Answer

A) Galileo 
B) Bergeron 
C) Toricelli 
D) Celsius 
A) Galileo 
B) Bergeron 
C) Toricelli 
D) Celsius

Question 11

What is the fundamental cause of horizontal pressure differences in the atmosphere?

Accepted Answer

Uneven heating of th

Question 12

If pressure gradient was the only force acting on the air,it would move in a curved path.

Accepted Answer

A) True 
 B)False

Question 13

Meteorologists convert all atmospheric pressure data to the equivalent sea-level air pressure in order to:

Accepted Answer

A) make sure all of the data is measured in millibars. 
B) correct for the effects of the Coriolis force. 
C) remove the effects of elevation. 
D) unify the pressure gradient force at all locations. 
A) make sure all of the data is measured in millibars. 
B) correct for the effects of the Coriolis force. 
C) remove the effects of elevation. 
D) unify the pressure gradient force at all locations.

Question 14

Horizontal wind motion can help cause vertical air motion.

Accepted Answer

A) True 
 B)False

Question 15

The Coriolis effect is strongest at the equator and diminishes in strength poleward.

Accepted Answer

A) True 
 B)False

Question 16

During times of warmer temperature (summer),the atmospheric pressure is usually less.

Accepted Answer

A) True 
 B)False

Question 17

High air pressure zones are usually associated with:

Accepted Answer

A) converging winds. 
B) stormy weather. 
C) ascending currents. 
D) relatively dry conditions. 
A) converging winds. 
B) stormy weather. 
C) ascending currents. 
D) relatively dry conditions.

Question 18

Anticyclonic flow is:

Accepted Answer

A) associated with low pressure. 
B) associated with storms and rainy conditions. 
C) associated with air converging at the surface. 
D) in the opposite direction of Earth's rotation. 
A) associated with low pressure. 
B) associated with storms and rainy conditions. 
C) associated with air converging at the surface. 
D) in the opposite direction of Earth's rotation.

Question 19

What does Buys Ballot's Law state?

Accepted Answer

A) If you stand with your back to the wind,there is low pressure on your left and high pressure on the right. 
B) If you stand with your back to the wind,there is low pressure on your right and high pressure on your right. 
C) If you stand with your back to the wind,there is low pressure directly in front of you. 
D) If you stand facing into the wind and you are facing north,the wind is geostrophic. 
A) If you stand with your back to the wind,there is low pressure on your left and high pressure on the right. 
B) If you stand with your back to the wind,there is low pressure on your right and high pressure on your right. 
C) If you stand with your back to the wind,there is low pressure directly in front of you. 
D) If you stand facing into the wind and you are facing north,the wind is geostrophic.

Question 20

Which of the following has the smallest impact on winds?

Accepted Answer

A) pressure gradient force 
B) Coriolis effect 
C) humidity 
D) friction 
A) pressure gradient force 
B) Coriolis effect 
C) humidity 
D) friction

The wind speed normally increases with height in the layer of air next to the ground.This illustrates the fact that:

Of the various elements of weather and climate,changes in air pressure are probably the most easily perceived by people.

What is the average sea level pressure in the United States?

Why do surface winds cross the isobars at an angle toward lower pressure (instead of blowing parallel to the isobars)?

The primary force which causes all winds is:

How does friction act to change the direction of the wind near the earth's surface?

Upper air winds:

Divergence in the atmosphere is best defined as:

Which of the following would involve the greatest change in atmospheric pressure?

Who invented the mercury barometer?

What is the fundamental cause of horizontal pressure differences in the atmosphere?

If pressure gradient was the only force acting on the air,it would move in a curved path.

Meteorologists convert all atmospheric pressure data to the equivalent sea-level air pressure in order to:

Horizontal wind motion can help cause vertical air motion.

The Coriolis effect is strongest at the equator and diminishes in strength poleward.

During times of warmer temperature (summer),the atmospheric pressure is usually less.

High air pressure zones are usually associated with:

Anticyclonic flow is:

What does Buys Ballot's Law state?

Which of the following has the smallest impact on winds?

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters

Exam 6: Air Pressure and Winds

The wind speed normally increases with height in the layer of air next to the ground.This illustrates the fact that:

Of the various elements of weather and climate,changes in air pressure are probably the most easily perceived by people.

What is the average sea level pressure in the United States?

Why do surface winds cross the isobars at an angle toward lower pressure (instead of blowing parallel to the isobars)?

The primary force which causes all winds is:

How does friction act to change the direction of the wind near the earth's surface?

Upper air winds:

Divergence in the atmosphere is best defined as:

Which of the following would involve the greatest change in atmospheric pressure?

Who invented the mercury barometer?

What is the fundamental cause of horizontal pressure differences in the atmosphere?

If pressure gradient was the only force acting on the air,it would move in a curved path.

Meteorologists convert all atmospheric pressure data to the equivalent sea-level air pressure in order to:

Horizontal wind motion can help cause vertical air motion.

The Coriolis effect is strongest at the equator and diminishes in strength poleward.

During times of warmer temperature (summer),the atmospheric pressure is usually less.

High air pressure zones are usually associated with:

Anticyclonic flow is:

What does Buys Ballot's Law state?

Which of the following has the smallest impact on winds?

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Circulation of the Atmosphere

Air Masses

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters