Question 1

The frontal system with the steepest lapse rate is

Accepted Answer

A) warm front. 
B) cold front. 
C) arctic front. 
D) occluded front. 
A) warm front. 
B) cold front. 
C) arctic front. 
D) occluded front.

Question 2

Meteorologists have grouped air masses into this number of major categories.

Accepted Answer

A) three 
B) four 
C) five 
D) six 
A) three 
B) four 
C) five 
D) six

Question 3

A "dryline"

Accepted Answer

A) is colored blue on a weather map. 
B) frequently triggers severe storms. 
C) is seldom found in the United States great plains. 
D) means that there is little moisture present in the atmosphere. 
A) is colored blue on a weather map. 
B) frequently triggers severe storms. 
C) is seldom found in the United States great plains. 
D) means that there is little moisture present in the atmosphere.

Question 4

List the sources of maritime air masses that affect North America.

Accepted Answer

Maritime polar air forms over the North

Question 5

Air masses are

Accepted Answer

A) large bodies of air with fairly uniform temperature and moisture characteristics. 
B) large bodies of air with the same mass. 
C) large bodies of air with fairly uniform pressure characteristics. 
D) large bodies of air with fairly uniform wind characteristics. 
A) large bodies of air with fairly uniform temperature and moisture characteristics. 
B) large bodies of air with the same mass. 
C) large bodies of air with fairly uniform pressure characteristics. 
D) large bodies of air with fairly uniform wind characteristics.

Question 6

________ fronts usually have showery precipitation while ________ fronts usually have continuous precipitation.

Accepted Answer

A) Cold; warm 
B) Warm; cold 
C) Occluded; cold 
D) Occluded; squall lines 
A) Cold; warm 
B) Warm; cold 
C) Occluded; cold 
D) Occluded; squall lines

Question 7

Between a cold front and a warm front,we find

Accepted Answer

A) a cold air mass. 
B) a dry air mass. 
C) a warm, moist, and unstable air mass. 
D) a very stable air mass. 
A) a cold air mass. 
B) a dry air mass. 
C) a warm, moist, and unstable air mass. 
D) a very stable air mass.

Question 8

Would you expect to find a cA air mass in the Southern Hemisphere? Explain.

Accepted Answer

Yes,because Antarcti

Question 9

Heating or cooling of large bodies of air requires many days because

Accepted Answer

A) energy transfer is not an instantaneous process. 
B) energy transfer is an instantaneous process. 
C) the process takes place only during nighttime. 
D) the process takes place only during daytime. 
A) energy transfer is not an instantaneous process. 
B) energy transfer is an instantaneous process. 
C) the process takes place only during nighttime. 
D) the process takes place only during daytime.

Question 10

Maritime polar air masses are similar to these types of air masses,except they are more moderate in both temperature and dryness.

Accepted Answer

A) mT 
B) cP 
C) cT 
D) none of these 
A) mT 
B) cP 
C) cT 
D) none of these

Question 11

Why aren't air masses classified based on their pressure characteristics?

Accepted Answer

A) because sea-level pressure is fairly uniform across the globe 
B) because temperature is fairly uniform across the globe 
C) because moisture is fairly uniform across the globe 
D) because both temperature and moisture are fairly uniform across the globe 
A) because sea-level pressure is fairly uniform across the globe 
B) because temperature is fairly uniform across the globe 
C) because moisture is fairly uniform across the globe 
D) because both temperature and moisture are fairly uniform across the globe

Question 12

The temperature,pressure and moisture characteristics of the atmosphere arise mostly from

Accepted Answer

A) the daytime exchange of energy and water vapor between the air and the surface. 
B) the nighttime exchange of energy and water vapor between the air and the surface. 
C) the continuous exchange of energy and water vapor between the air and the surface. 
A) the daytime exchange of energy and water vapor between the air and the surface. 
B) the nighttime exchange of energy and water vapor between the air and the surface. 
C) the continuous exchange of energy and water vapor between the air and the surface.

Question 13

As cP air moves south from Canada to near the Gulf of Mexico,the largest drop in temperature will occur at

Accepted Answer

A) the U.S.-Canadian border. 
B) Minneapolis. 
C) Saint Louis. 
D) Birmingham. 
A) the U.S.-Canadian border. 
B) Minneapolis. 
C) Saint Louis. 
D) Birmingham.

Question 14

Why is mountainous terrain a poor source region for air masses?

Accepted Answer

Mountainous regions

Question 15

mT air masses

Accepted Answer

A) typically develop over moderately cool waters. 
B) are stable at their surfaces. 
C) do not affect the southwestern United States. 
D) often spawn thunderstorms. 
A) typically develop over moderately cool waters. 
B) are stable at their surfaces. 
C) do not affect the southwestern United States. 
D) often spawn thunderstorms.

Question 16

Which of the following fronts do not separate tropical from polar air masses?

Accepted Answer

A) cold 
B) warm 
C) stationary 
D) occluded 
A) cold 
B) warm 
C) stationary 
D) occluded

Question 17

Warm fronts

Accepted Answer

A) frequently produce cumuliform clouds. 
B) are the most common source of tornadoes. 
C) typically provide longer periods of precipitation than do cold fronts. 
D) typically move faster than do cold fronts. 
A) frequently produce cumuliform clouds. 
B) are the most common source of tornadoes. 
C) typically provide longer periods of precipitation than do cold fronts. 
D) typically move faster than do cold fronts.

Question 18

Most of the air masses in the central part of the United States are either

Accepted Answer

A) maritime polar or continental polar. 
B) maritime polar or maritime tropical. 
C) continental polar or maritime tropical. 
D) continental tropical and maritime polar. 
A) maritime polar or continental polar. 
B) maritime polar or maritime tropical. 
C) continental polar or maritime tropical. 
D) continental tropical and maritime polar.

Question 19

This is the first type of cloud formed when a warm front starts to overrun cold air

Accepted Answer

A) cirrus. 
B) low-level stratus. 
C) altostratus. 
D) cumulonimbus. 
A) cirrus. 
B) low-level stratus. 
C) altostratus. 
D) cumulonimbus.

Question 20

This type of front has a mass of warm air cut off from the surface.

Accepted Answer

A) warm front 
B) cold front 
C) stationary front 
D) occluded front 
A) warm front 
B) cold front 
C) stationary front 
D) occluded front

The frontal system with the steepest lapse rate is

Meteorologists have grouped air masses into this number of major categories.

A "dryline"

List the sources of maritime air masses that affect North America.

Air masses are

fronts usually have showery precipitation while fronts usually have continuous precipitation.

Between a cold front and a warm front,we find

Would you expect to find a cA air mass in the Southern Hemisphere? Explain.

Heating or cooling of large bodies of air requires many days because

Maritime polar air masses are similar to these types of air masses,except they are more moderate in both temperature and dryness.

Why aren't air masses classified based on their pressure characteristics?

The temperature,pressure and moisture characteristics of the atmosphere arise mostly from

As cP air moves south from Canada to near the Gulf of Mexico,the largest drop in temperature will occur at

Why is mountainous terrain a poor source region for air masses?

mT air masses

Which of the following fronts do not separate tropical from polar air masses?

Warm fronts

Most of the air masses in the central part of the United States are either

This is the first type of cloud formed when a warm front starts to overrun cold air

This type of front has a mass of warm air cut off from the surface.

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters

Exam 9: Air Masses and Fronts

The frontal system with the steepest lapse rate is

Meteorologists have grouped air masses into this number of major categories.

A "dryline"

List the sources of maritime air masses that affect North America.

Air masses are

________ fronts usually have showery precipitation while ________ fronts usually have continuous precipitation.

Between a cold front and a warm front,we find

Would you expect to find a cA air mass in the Southern Hemisphere? Explain.

Heating or cooling of large bodies of air requires many days because

Maritime polar air masses are similar to these types of air masses,except they are more moderate in both temperature and dryness.

Why aren't air masses classified based on their pressure characteristics?

The temperature,pressure and moisture characteristics of the atmosphere arise mostly from

As cP air moves south from Canada to near the Gulf of Mexico,the largest drop in temperature will occur at

Why is mountainous terrain a poor source region for air masses?

mT air masses

Which of the following fronts do not separate tropical from polar air masses?

Warm fronts

Most of the air masses in the central part of the United States are either

This is the first type of cloud formed when a warm front starts to overrun cold air

This type of front has a mass of warm air cut off from the surface.

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Midlatitude Cyclones

Lightning, thunder, and Tornadoes

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters

fronts usually have showery precipitation while fronts usually have continuous precipitation.