Question 1

On a surface weather map that shows an open wave cyclone,the warm sector can be observed:

Accepted Answer

A) ahead of an advancing cold front. 
B) behind an advancing cold front. 
C) ahead of an advancing cold-occluded front. 
D) behind an advancing cold-occluded front. 
E) ahead of an advancing warm front.

Question 2

The type of weather system known as a "mid-latitude cyclone" cannot form over the tropical ocean because:

Accepted Answer

A) surface temperature contrasts are not large. 
B) the ocean surface has a lot of waves. 
C) the Coriolis force is weak in the tropics. 
D) both (a)and (b) 
E) both (a)and (c)

Question 3

If lows and highs aloft were always directly above lows and highs at the surface,the surface systems would quickly disspiate.

Accepted Answer

A) True 
 B)False

Question 4

What is cyclogenesis? List some of the regions in the United States where cyclogenesis is common.

Accepted Answer

The answer of What is cyclogenesis? List some of the...

Question 5

An upper-level pool of cold air that has broken away from the main flow is called:

Accepted Answer

A) a cut-off low. 
B) a shortwave. 
C) a wave cyclone. 
D) a lee-side low.

Question 6

Northeasters (or nor'easters)are midlatitude storms commonly found:

Accepted Answer

A) along the Pacific coast of North America. 
B) along the Atlantic coast of North America. 
C) along the Gulf coast of North America. 
D) both a and b

Question 7

The polar front theory was developed by the famous explorer Magellan in the 1500s.

Accepted Answer

A) True 
 B)False

Question 8

Describe some of the ways in which the upper-level wind flow pattern can influence the development and movement of a middle latitude storm system.

Accepted Answer

The answer of Describe some of the ways in which...

Question 9

If the outflow of air around a surface high pressure area is greater than the convergence of air aloft,you would observe:

Accepted Answer

A) in increase in pressure in the center of the high. 
B) movement of the high toward the northeast. 
C) a decrease in the central pressure. 
D) strengthening in the high.

Question 10

When making a weather forecast,which kind of chart is more important: a surface chart or a 500 mb chart? Why?

Accepted Answer

The answer of When making a weather forecast,which kind of...

Question 11

What does the term "shortwave" refer to? Why is it important to locate and follow the movements of atmospheric shortwaves? How is this done? How is a shortwave different from a "longwave?"

Accepted Answer

The answer of What does the term "shortwave" refer to?...

Question 12

A surface low pressure area with a deep upper-level trough to the west will tend to move toward the southwest.

Accepted Answer

A) True 
 B)False

Question 13

The piling up of air above a region is called thickening.

Accepted Answer

A) True 
 B)False

Question 14

According to the model of the life cycle of a wave cyclone,the storm system is normally most intense:

Accepted Answer

A) as a frontal wave. 
B) as a stable wave. 
C) as an open wave. 
D) as a stationary wave. 
E) when the system first becomes occluded.

Question 15

Which of the following is not associated with rising air motions?

Accepted Answer

A) overrunning 
B) convergence of air at the surface 
C) convergence of air aloft 
D) divergence of air aloft

Question 16

Sketch a 500 mb chart that clearly shows a trough and a ridge.Where would you expect to find converging and diverging wind motions? Below what point on your 500 mb chart would you expect middle latitude storm development to occur?

Accepted Answer

The answer of Sketch a 500 mb chart that clearly...

Question 17

With the aid of a diagram,show why an intensifying surface low pressure center which is located just east of a deep upper-level trough will often move in a northeasterly direction.

Accepted Answer

The answer of With the aid of a diagram,show why...

Question 18

For a surface storm system to intensify,the upper-level low (or trough)should be located to the __________ of the surface low.

Accepted Answer

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

Question 19

Atmospheric shortwaves usually move __________ at a speed that is __________ than longwaves.

Accepted Answer

A) east to west,faster 
B) west to east,faster 
C) east to west,slower 
D) west to east,slower

Question 20

Longwaves in the middle and upper troposphere usually have lengths on the order of thousands of kilometers.

Accepted Answer

A) True 
 B)False

Exam 10: Mid-Latitude Cyclonic Storms

On a surface weather map that shows an open wave cyclone,the warm sector can be observed:

The type of weather system known as a "mid-latitude cyclone" cannot form over the tropical ocean because:

If lows and highs aloft were always directly above lows and highs at the surface,the surface systems would quickly disspiate.

What is cyclogenesis? List some of the regions in the United States where cyclogenesis is common.

An upper-level pool of cold air that has broken away from the main flow is called:

Northeasters (or nor'easters) are midlatitude storms commonly found:

The polar front theory was developed by the famous explorer Magellan in the 1500s.

Describe some of the ways in which the upper-level wind flow pattern can influence the development and movement of a middle latitude storm system.

If the outflow of air around a surface high pressure area is greater than the convergence of air aloft,you would observe:

When making a weather forecast,which kind of chart is more important: a surface chart or a 500 mb chart? Why?

What does the term "shortwave" refer to? Why is it important to locate and follow the movements of atmospheric shortwaves? How is this done? How is a shortwave different from a "longwave?"

A surface low pressure area with a deep upper-level trough to the west will tend to move toward the southwest.

The piling up of air above a region is called thickening.

According to the model of the life cycle of a wave cyclone,the storm system is normally most intense:

Which of the following is not associated with rising air motions?

Sketch a 500 mb chart that clearly shows a trough and a ridge.Where would you expect to find converging and diverging wind motions? Below what point on your 500 mb chart would you expect middle latitude storm development to occur?

With the aid of a diagram,show why an intensifying surface low pressure center which is located just east of a deep upper-level trough will often move in a northeasterly direction.

For a surface storm system to intensify,the upper-level low (or trough) should be located to the __________ of the surface low.

Atmospheric shortwaves usually move at a speed that is than longwaves.

Longwaves in the middle and upper troposphere usually have lengths on the order of thousands of kilometers.