Question 1

Wind direction and speed can be determined with an aerovane.

Accepted Answer

A) True 
 B)False

Question 2

An aerovane is an instrument that indicates both wind ____________________ and ____________________. It consists of a bladed propeller that rotates at a rate proportional to the wind speed. Its streamlined shape and a vertical fin keep the blades facing into the wind. When attached to a recorder, a continuous record of both wind speed and direction is obtained.

Accepted Answer

The answer of An aerovane is an instrument that indicates...

Question 3

Waves forming by wind blowing over the surface of the water are known as ____.

Accepted Answer

A) ripples 
B) waves 
C) wind waves 
D) fetch 
E) surf

Question 4

How can winds be observed by satellites?

Accepted Answer

The answer of How can winds be observed by satellites?...

Question 5

Suppose a west wind of 20 knots blows over a coastal region which is densely covered in shrubs. If this same wind moves out over the middle of a large calm lake, its speed and direction would probably be ____.

Accepted Answer

A) greater than 20 knots and more northwesterly 
B) less than 20 knots and more northwesterly 
C) greater than 20 knots and more southwesterly 
D) less than 20 knots and more southwesterly 
E) less than 20 knots and westerly

Question 6

Strong winds blowing over vegetation results in rapid water loss in the plant.

Accepted Answer

A) True 
 B)False

Question 7

The amount of energy transferred to the water (and thus the height to which a wave can build)depends upon four factors: 
1. wind speed 
2. length of time that the wind blows over the water 
3. the fetch 
4. wind direction.

Accepted Answer

A) True 
 B)False

Question 8

Which association is most accurate?

Accepted Answer

A) Microscale - chinook wind 
B) Synoptic scale - sea breeze 
C) Mesoscale - land breeze 
D) Planetary scale - lake breeze 
E) Universal scale - ocean breeze

Question 9

If huge waves pound against the beach communities of Southern California for several days during clear, calm weather, it is a good bet that ____.

Accepted Answer

A) the winds are strong somewhere out over the Pacific Ocean 
B) an earthquake has occurred somewhere on the ocean floor 
C) it is raining offshore 
D) it is a period of high tides 
E) there is a large difference in water density between the shoreline of Southern California and the middle of the Pacific

Question 10

Draw a sketch to show where eddies can form when air blows rapidly over a mountain range. Show on your sketch where you might expect eddies and clouds to form.

Accepted Answer

The answer of Draw a sketch to show where eddies...

Question 11

Cumulus clouds that appear above isolated mountain peaks are often the result of ____.

Accepted Answer

A) katabatic winds 
B) mountain winds 
C) fall winds 
D) Santa Ana winds 
E) valley breezes

Question 12

Blowing sand eventually comes to rest ____________________ obstacles, which can be anything from a rock to a clump of vegetation.

Accepted Answer

The answer of Blowing sand eventually comes to rest ____________________...

Question 13

During the summer along the coast, a sea breeze is usually strongest and best developed ____.

Accepted Answer

A) in the afternoon 
B) just after sunrise 
C) just before sunset 
D) just before noon 
E) around midnight

Question 14

A valley breeze develops its maximum strength in the early afternoon.

Accepted Answer

A) True 
 B)False

Question 15

On the eastern side of the Rocky Mountains, chinook winds are driest when ____.

Accepted Answer

A) clouds form and precipitation falls on the upwind side of the mountains 
B) the air aloft is cold 
C) the Sun is shining 
D) the winds are blowing from the east 
E) surface friction is greatest on the downwind side of the mountain

Question 16

Will a valley breeze or a mountain breeze produce clouds? Explain.

Accepted Answer

The answer of Will a valley breeze or a mountain...

Question 17

Would you expect a well-developed sea breeze circulation to cause clouds to form over the land or over the ocean?

Accepted Answer

The answer of Would you expect a well-developed sea breeze...

Question 18

If you are standing directly south of a smoke stack and the wind from the stack is blowing over your head, what would be the wind direction?

Accepted Answer

A) North 
B) East 
C) South 
D) West 
E) Northeast

Question 19

Describe some examples of particularly strong winds in U.S. history.

Accepted Answer

The answer of Describe some examples of particularly strong winds...

Question 20

Which of the below determines how high a wind wave will grow over the open ocean?

Accepted Answer

A) Water quality 
B) Density of water 
C) Length of time the wind blows over the water 
D) Shoreline topography 
E) Geographical location

Exam 9: Wind: Small-Scale and Local Systems

Wind direction and speed can be determined with an aerovane.

Waves forming by wind blowing over the surface of the water are known as ____.

How can winds be observed by satellites?

Suppose a west wind of 20 knots blows over a coastal region which is densely covered in shrubs. If this same wind moves out over the middle of a large calm lake, its speed and direction would probably be ____.

Strong winds blowing over vegetation results in rapid water loss in the plant.

The amount of energy transferred to the water (and thus the height to which a wave can build)depends upon four factors: 1. wind speed 2. length of time that the wind blows over the water 3. the fetch 4. wind direction.

Which association is most accurate?

If huge waves pound against the beach communities of Southern California for several days during clear, calm weather, it is a good bet that ____.

Draw a sketch to show where eddies can form when air blows rapidly over a mountain range. Show on your sketch where you might expect eddies and clouds to form.

Cumulus clouds that appear above isolated mountain peaks are often the result of ____.

Blowing sand eventually comes to rest ____________________ obstacles, which can be anything from a rock to a clump of vegetation.

During the summer along the coast, a sea breeze is usually strongest and best developed ____.

A valley breeze develops its maximum strength in the early afternoon.

On the eastern side of the Rocky Mountains, chinook winds are driest when ____.

Will a valley breeze or a mountain breeze produce clouds? Explain.

Would you expect a well-developed sea breeze circulation to cause clouds to form over the land or over the ocean?

If you are standing directly south of a smoke stack and the wind from the stack is blowing over your head, what would be the wind direction?

Describe some examples of particularly strong winds in U.S. history.

Which of the below determines how high a wind wave will grow over the open ocean?