Question 1

What is the cause- and- effect relationship between the pattern of upper- level winds and surface low- and high- pressure systems?

Accepted Answer

A)  There is no strong or consistent relationship. 
B)  Surface lows decrease upper level wind speeds, surface highs increase them. 
C)  Surface systems depend primarily on wind speeds at upper levels. 
D)  Upper level wind patterns strongly control the origin and development of surface systems. 
E)  Surface systems control the upper level wind patterns. 
A)  There is no strong or consistent relationship. 
B)  Surface lows decrease upper level wind speeds, surface highs increase them. 
C)  Surface systems depend primarily on wind speeds at upper levels. 
D)  Upper level wind patterns strongly control the origin and development of surface systems. 
E)  Surface systems control the upper level wind patterns.

Question 2

When a warm front passes, temperature rises and the wind usually shifts.

Accepted Answer

A) True 
 B)False

Question 3

Ridges and troughs are features of the upper level wind pattern.

Accepted Answer

A) True 
 B)False

Question 4

Thunderstorms can be generated when a cT air mass meets an mT air mass and creates a frontal boundary called a:

Accepted Answer

A)  dryline. 
B)  humidity front. 
C)  cold front. 
D)  warm front. 
A)  dryline. 
B)  humidity front. 
C)  cold front. 
D)  warm front.

Question 5

An approaching wave cyclone would be indicated by a________ barometer reading.

Accepted Answer

A)  slowly rising 
B)  high 
C)  variable, rising then falling 
D)  very low 
E)  rapidly falling 
A)  slowly rising 
B)  high 
C)  variable, rising then falling 
D)  very low 
E)  rapidly falling

Question 6

Each of the statements refers to the approach or to the passage of a front. If the statement refers to the approach of a typical cold front, use the letter A for your answer. If the statement refers to the approach or passage of a typical warm front, use the letter B. If the statement applies to both, answer with letter C.
-Winds shift from southwest to northwest

Accepted Answer

The answer of Each of the statements refers to the...

Question 7

On a weather map, a line with blue triangles on one side and red semicircles on the other represents:

Accepted Answer

A)  an occluded front. 
B)  a cold front. 
C)  a warm front. 
D)  a stationary front. 
A)  an occluded front. 
B)  a cold front. 
C)  a warm front. 
D)  a stationary front.

Question 8

-The type of front represented in the diagram above is a:

Accepted Answer

A)  stationary front. 
B)  cold front. 
C)  warm- type occluded front. 
D)  cold- type occluded front. 
A)  stationary front. 
B)  cold front. 
C)  warm- type occluded front. 
D)  cold- type occluded front.

Question 9

The glaze (or freezing rain) that sometimes forms in association with warm fronts occurs when:

Accepted Answer

A)  rain falls during the day and freezes at night. 
B)  rain freezes as it falls through the air. 
C)  rain strikes a very cold surface and freezes directly to it. 
D)  snow melts against a warm surface and later freezes. 
A)  rain falls during the day and freezes at night. 
B)  rain freezes as it falls through the air. 
C)  rain strikes a very cold surface and freezes directly to it. 
D)  snow melts against a warm surface and later freezes.

Question 10

When speed divergence occurs in the upper atmosphere, what effect does it have on cyclogenesis?

Accepted Answer

A)  It inhibits cyclogenesis by preventing cyclonic flow. 
B)  It greatly enhances cyclogenesis by increasing convergence on the surface below. 
C)  It has no impact whatsoever on the formation of mid- latitude cyclones. 
D)  It can either inhibit or enhance cyclogenesis, depending on the surface air temperature. 
A)  It inhibits cyclogenesis by preventing cyclonic flow. 
B)  It greatly enhances cyclogenesis by increasing convergence on the surface below. 
C)  It has no impact whatsoever on the formation of mid- latitude cyclones. 
D)  It can either inhibit or enhance cyclogenesis, depending on the surface air temperature.

Question 11

When surface cyclones form, they almost invariably occur just ahead of an upper air ridge.

Accepted Answer

A) True 
 B)False

Question 12

The approximate lifetime of a wave cyclone is:

Accepted Answer

A)  1 - 2 days. 
B)  10 - 24 hours. 
C)  a month. 
D)  a few days to a week. 
E)  10 - 14 days. 
A)  1 - 2 days. 
B)  10 - 24 hours. 
C)  a month. 
D)  a few days to a week. 
E)  10 - 14 days.

Question 13

-The type of front shown on the diagram above is:

Accepted Answer

A)  an occluded front. 
B)  a cold front. 
C)  a stationary front. 
D)  a warm front. 
A)  an occluded front. 
B)  a cold front. 
C)  a stationary front. 
D)  a warm front.

Question 14

Thunderstorms are most common along a cold front.

Accepted Answer

A) True 
 B)False

Question 15

When the center of a mature wave cyclone passes to the south, you should expect:

Accepted Answer

A)  thunderstorms. 
B)  rising pressure and fair weather. 
C)  winds shifting from east to north and heavy precipitation. 
D)  to experience a veering wind shift. 
A)  thunderstorms. 
B)  rising pressure and fair weather. 
C)  winds shifting from east to north and heavy precipitation. 
D)  to experience a veering wind shift.

Question 16

Most cyclones and anticyclones are generated by upper- level air flow.

Accepted Answer

A) True 
 B)False

Question 17

Each of the statements refers to the approach or to the passage of a front. If the statement refers to the approach of a typical cold front, use the letter A for your answer. If the statement refers to the approach or passage of a typical warm front, use the letter B. If the statement applies to both, answer with letter C.
-Pressure falls when front approaches

Accepted Answer

The answer of Each of the statements refers to the...

Question 18

What cloud type is often seen as the first sign of an approaching warm front?

Accepted Answer

The answer of What cloud type is often seen as...

Question 19

-Refer to the diagram above. Which phase of the midlatitude cyclone's life cycle is associated with this type of front?

Accepted Answer

A)  the anticyclonic phase 
B)  the mature phase 
C)  the birth and early development phase 
D)  the phase just prior to the dissipation of the storm 
A)  the anticyclonic phase 
B)  the mature phase 
C)  the birth and early development phase 
D)  the phase just prior to the dissipation of the storm

Question 20

Another common term for the wave cyclone is:

Accepted Answer

A)  intertropical convergence zone. 
B)  tropical cyclone. 
C)  midlatitude cyclone. 
D)  polar- front cyclone. 
A)  intertropical convergence zone. 
B)  tropical cyclone. 
C)  midlatitude cyclone. 
D)  polar- front cyclone.

What is the cause- and- effect relationship between the pattern of upper- level winds and surface low- and high- pressure systems?

When a warm front passes, temperature rises and the wind usually shifts.

Ridges and troughs are features of the upper level wind pattern.

Thunderstorms can be generated when a cT air mass meets an mT air mass and creates a frontal boundary called a:

An approaching wave cyclone would be indicated by a________ barometer reading.

On a weather map, a line with blue triangles on one side and red semicircles on the other represents:

-The type of front represented in the diagram above is a:

The glaze (or freezing rain) that sometimes forms in association with warm fronts occurs when:

When speed divergence occurs in the upper atmosphere, what effect does it have on cyclogenesis?

When surface cyclones form, they almost invariably occur just ahead of an upper air ridge.

The approximate lifetime of a wave cyclone is:

-The type of front shown on the diagram above is:

Thunderstorms are most common along a cold front.

When the center of a mature wave cyclone passes to the south, you should expect:

Most cyclones and anticyclones are generated by upper- level air flow.

What cloud type is often seen as the first sign of an approaching warm front?

-Refer to the diagram above. Which phase of the midlatitude cyclone's life cycle is associated with this type of front?

Another common term for the wave cyclone is:

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters

Exam 9: Weather Patterns

What is the cause- and- effect relationship between the pattern of upper- level winds and surface low- and high- pressure systems?

When a warm front passes, temperature rises and the wind usually shifts.

Ridges and troughs are features of the upper level wind pattern.

Thunderstorms can be generated when a cT air mass meets an mT air mass and creates a frontal boundary called a:

An approaching wave cyclone would be indicated by a________ barometer reading.

On a weather map, a line with blue triangles on one side and red semicircles on the other represents:

-The type of front represented in the diagram above is a:

The glaze (or freezing rain) that sometimes forms in association with warm fronts occurs when:

When speed divergence occurs in the upper atmosphere, what effect does it have on cyclogenesis?

When surface cyclones form, they almost invariably occur just ahead of an upper air ridge.

The approximate lifetime of a wave cyclone is:

-The type of front shown on the diagram above is:

Thunderstorms are most common along a cold front.

When the center of a mature wave cyclone passes to the south, you should expect:

Most cyclones and anticyclones are generated by upper- level air flow.

What cloud type is often seen as the first sign of an approaching warm front?

-Refer to the diagram above. Which phase of the midlatitude cyclone's life cycle is associated with this type of front?

Another common term for the wave cyclone is:

Introduction to the Atmosphere

Heating Earths Surface and Atmosphere

Temperature

Moisture and Atmospheric Stability

Forms of Condensation and Precipitation

Air Pressure and Winds

Circulation of the Atmosphere

Air Masses

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters