Question 1

Air masses that migrate far from their source regions become modified in physical characteristics and form secondary air masses.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following areas are not suitable for the development of thunderstorms?

Accepted Answer

A) in areas of orographic uplift 
B) in areas of surface convergence 
C) along frontal boundaries 
D) under areas of strong high pressure 
E) over areas of intense heating. 
A) in areas of orographic uplift 
B) in areas of surface convergence 
C) along frontal boundaries 
D) under areas of strong high pressure 
E) over areas of intense heating.

Question 3

The lowest sea-level pressure on Earth was measured inside a hurricane.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is true of migrating centers of low pressure in the northern hemisphere?

Accepted Answer

A) the winds diverge from the pressure system and spiral outward in a clockwise fashion. 
B) these pressure systems tend to move east to west along storm tracks. 
C) these pressure systems are characterized by converging,ascending air that spirals inward in a counterclockwise fashion. 
D) they form only a minor weather pattern in the middle and higher latitudes. 
E) they are associated with dry weather and drought. 
A) the winds diverge from the pressure system and spiral outward in a clockwise fashion. 
B) these pressure systems tend to move east to west along storm tracks. 
C) these pressure systems are characterized by converging,ascending air that spirals inward in a counterclockwise fashion. 
D) they form only a minor weather pattern in the middle and higher latitudes. 
E) they are associated with dry weather and drought.

Question 5

Which of the following results in the modification of the air mass?

Accepted Answer

A) a mT air mass moving across the Carribean. 
B) a cP air mass moving across Nunavut. 
C) a mT air mass moving across the Gulf of Mexico. 
D) a cA air mass moving across Alaska. 
E) a mT air mass moving over the Great Lakes. 
A) a mT air mass moving across the Carribean. 
B) a cP air mass moving across Nunavut. 
C) a mT air mass moving across the Gulf of Mexico. 
D) a cA air mass moving across Alaska. 
E) a mT air mass moving over the Great Lakes.

Question 6

Which of the following is correctly matched?

Accepted Answer

A) abruptly lifted warmer air - warm front 
B) intense precipitation - warm front 
C) cold front - clear cold air and high clouds as the front approaches 
D) drizzle,light winds - cold front 
E) squall line - turbulent,changing wind patterns slightly ahead of a cold front 
A) abruptly lifted warmer air - warm front 
B) intense precipitation - warm front 
C) cold front - clear cold air and high clouds as the front approaches 
D) drizzle,light winds - cold front 
E) squall line - turbulent,changing wind patterns slightly ahead of a cold front

Question 7

-Which site is experiencing warm,steady rain and wind from the southwest?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 8

Hail generally forms

Accepted Answer

A) within nimbostratus clouds. 
B) in association with warm front activity. 
C) within cumulonimbus clouds,and sometimes in association with cold front activity. 
D) in altocumulus and cirrocumulus clouds. 
E) in cirrostratus clouds. 
A) within nimbostratus clouds. 
B) in association with warm front activity. 
C) within cumulonimbus clouds,and sometimes in association with cold front activity. 
D) in altocumulus and cirrocumulus clouds. 
E) in cirrostratus clouds.

Question 9

Occlusion in a midlatitude wave cyclone can occur because

Accepted Answer

A) warm fronts travel more quickly than cold fronts. 
B) cold fronts travel more quickly than warm fronts. 
C) warm and cold fronts travel at the same speed. 
D) warm air sinks in low pressure areas. 
E) cold air rises up,covering the warm air. 
A) warm fronts travel more quickly than cold fronts. 
B) cold fronts travel more quickly than warm fronts. 
C) warm and cold fronts travel at the same speed. 
D) warm air sinks in low pressure areas. 
E) cold air rises up,covering the warm air.

Question 10

Chinook winds are cold,dry winds.

Accepted Answer

A) True 
 B)False

Question 11

Stratospheric winds blowing from west to east above surface winds blowing from east to west,tend to favor hurricane development.

Accepted Answer

A) True 
 B)False

Question 12

A well-developed,newly formed cP air mass would have which of the following characteristics?

Accepted Answer

A) cold temperatures 
B) cloudy skies 
C) low pressure 
D) fog 
E) heavy precipitation 
A) cold temperatures 
B) cloudy skies 
C) low pressure 
D) fog 
E) heavy precipitation

Question 13

The transition from the Ice Age to the present warm conditions can best be considered an example of

Accepted Answer

A) a change in weather. 
B) a change in climate. 
C) changes in the midlatitude wave-cyclone cycle. 
D) transition from a cold front to a warm front. 
E) evidence that climate change is not occurring. 
A) a change in weather. 
B) a change in climate. 
C) changes in the midlatitude wave-cyclone cycle. 
D) transition from a cold front to a warm front. 
E) evidence that climate change is not occurring.

Question 14

Hurricanes pose more of a threat to the Florida Everglades than human activities do.

Accepted Answer

A) True 
 B)False

Question 15

When a cold front approaches,air pressure will initially ________ due to the displacement and uplift of ________ air.

Accepted Answer

A) increase cold 
B) increase warm 
C) decrease cold 
D) decrease warm 
A) increase cold 
B) increase warm 
C) decrease cold 
D) decrease warm

Question 16

The scientific study of the short-term condition of the atmosphere is

Accepted Answer

A) weatherology. 
B) climatology. 
C) meteorology. 
D) geography. 
E) biogeography. 
A) weatherology. 
B) climatology. 
C) meteorology. 
D) geography. 
E) biogeography.

Question 17

Tropical cyclones

Accepted Answer

A) are produced by the conflict between air masses and frontal activity. 
B) originate entirely within tropical air masses. 
C) usually form poleward of 23.5° latitude in either hemisphere. 
D) are called hurricanes worldwide. 
E) move directly north or south from the equator. 
A) are produced by the conflict between air masses and frontal activity. 
B) originate entirely within tropical air masses. 
C) usually form poleward of 23.5° latitude in either hemisphere. 
D) are called hurricanes worldwide. 
E) move directly north or south from the equator.

Question 18

Weather prediction will soon be almost 100 percent accurate because weather systems act in a linear fashion.

Accepted Answer

A) True 
 B)False

Question 19

During a thunderstorm,you should never seek shelter from lightning under a tree.

Accepted Answer

A) True 
 B)False

Question 20

Describe the typical air masses that affect North America.Give their source regions,physical characteristics and properties,and typical directions of motion.

Accepted Answer

The answer of Describe the typical air masses that affect...

Exam 8: Weather

Air masses that migrate far from their source regions become modified in physical characteristics and form secondary air masses.

Which of the following areas are not suitable for the development of thunderstorms?

The lowest sea-level pressure on Earth was measured inside a hurricane.

Which of the following is true of migrating centers of low pressure in the northern hemisphere?

Which of the following results in the modification of the air mass?

Which of the following is correctly matched?

-Which site is experiencing warm,steady rain and wind from the southwest?

Hail generally forms

Occlusion in a midlatitude wave cyclone can occur because

Chinook winds are cold,dry winds.

Stratospheric winds blowing from west to east above surface winds blowing from east to west,tend to favor hurricane development.

A well-developed,newly formed cP air mass would have which of the following characteristics?

The transition from the Ice Age to the present warm conditions can best be considered an example of

Hurricanes pose more of a threat to the Florida Everglades than human activities do.

When a cold front approaches,air pressure will initially ________ due to the displacement and uplift of ________ air.

The scientific study of the short-term condition of the atmosphere is

Tropical cyclones

Weather prediction will soon be almost 100 percent accurate because weather systems act in a linear fashion.

During a thunderstorm,you should never seek shelter from lightning under a tree.

Describe the typical air masses that affect North America.Give their source regions,physical characteristics and properties,and typical directions of motion.

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Earth's Modern Atmosphere

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When a cold front approaches,air pressure will initially due to the displacement and uplift of air.