Question 1

The ________ air mass may produce an occasional "nor'easter" in the winter.

Accepted Answer

A) mT 
B) mP 
C) cT 
D) cP 
A) mT 
B) mP 
C) cT 
D) cP B

Question 2

The symbol used when classifying Maritime Polar air masses is MP.

Accepted Answer

A) True 
 B)False  False

Question 3

Which air mass causes occasional drought to the southern Great Plains of the United States?

Accepted Answer

A) mP 
B) cP 
C) cT 
D) mT 
A) mP 
B) cP 
C) cT 
D) mT C

Question 4

mP air masses over the northeastern United States produce stable,clear skies in the summer and heavy snowstorms in the winter.

Accepted Answer

A) True 
 B)False

Question 5

What is the air mass type and source region for "nor'easters"?

Accepted Answer

Maritime Polar (mP)a

Question 6

Continental polar air masses do not form in the summer in North America.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is not an air mass that influences North America?

Accepted Answer

A) mA 
B) cP 
C) mT 
D) cA 
E) mP 
A) mA 
B) cP 
C) mT 
D) cA 
E) mP

Question 8

Lake-effect snowfall is created as a direct result of air mass modification.

Accepted Answer

A) True 
 B)False

Question 9

Name two source regions for Maritime Tropical air masses.

Accepted Answer

Caribbean

Question 10

Why is Maritime Arctic left out of the air-mass classifications?

Accepted Answer

A) They do not occur. 
B) They only rarely occur. 
C) They occur every ten years. 
A) They do not occur. 
B) They only rarely occur. 
C) They occur every ten years.

Question 11

Characteristics of an air mass source region include:

Accepted Answer

A) uniformity of temperature and moisture. 
B) sharp temperature contrasts. 
C) jet stream winds aloft. 
D) high elevation. 
A) uniformity of temperature and moisture. 
B) sharp temperature contrasts. 
C) jet stream winds aloft. 
D) high elevation.

Question 12

Maritime Arctic air masses do not form very often.

Accepted Answer

A) True 
 B)False

Question 13

Maritime tropical (mT)air masses are the most important source of moisture along the Pacific Coast.

Accepted Answer

A) True 
 B)False

Question 14

The ________ air mass provides much of the moisture for precipitation in the central and eastern United States.

Accepted Answer

A) cP 
B) cT 
C) mP 
D) mT 
A) cP 
B) cT 
C) mP 
D) mT

Question 15

Why are maritime air masses from the north Atlantic of only limited concern for weather in the U.S.?

Accepted Answer

A) Temperatures are usually mild over this region. 
B) Question is incorrect;these air masses are very important. 
C) Prevailing winds move them away from the U.S. 
D) They never cause severe storms. 
E) Polar fronts block these air masses from the U.S. 
A) Temperatures are usually mild over this region. 
B) Question is incorrect;these air masses are very important. 
C) Prevailing winds move them away from the U.S. 
D) They never cause severe storms. 
E) Polar fronts block these air masses from the U.S.

Question 16

In North America the ________ air mass forms only in the summer.

Accepted Answer

A) mP 
B) cT 
C) mT 
D) cP 
A) mP 
B) cT 
C) mT 
D) cP

Question 17

The stormy winter weather associated with an invasion of mP air from the Atlantic into an area east of the Appalachians and north of Cape Hatteras is known as a nor'easter.

Accepted Answer

A) True 
 B)False

Question 18

An air mass is an immense body of air characterized by homogeneous temperature and moisture content.

Accepted Answer

A) True 
 B)False

Question 19

Air masses are identified by two-letter codes.

Accepted Answer

A) True 
 B)False

Question 20

Most of the precipitation for the region east of the Rocky Mountains comes from:

Accepted Answer

A) evaporation from soils and vegetation. 
B) mA air masses. 
C) modified mP air masses. 
D) mT air masses. 
A) evaporation from soils and vegetation. 
B) mA air masses. 
C) modified mP air masses. 
D) mT air masses.

The ________ air mass may produce an occasional "nor'easter" in the winter.

The symbol used when classifying Maritime Polar air masses is MP.

Which air mass causes occasional drought to the southern Great Plains of the United States?

mP air masses over the northeastern United States produce stable,clear skies in the summer and heavy snowstorms in the winter.

What is the air mass type and source region for "nor'easters"?

Continental polar air masses do not form in the summer in North America.

Which of the following is not an air mass that influences North America?

Lake-effect snowfall is created as a direct result of air mass modification.

Name two source regions for Maritime Tropical air masses.

Why is Maritime Arctic left out of the air-mass classifications?

Characteristics of an air mass source region include:

Maritime Arctic air masses do not form very often.

Maritime tropical (mT)air masses are the most important source of moisture along the Pacific Coast.

The ________ air mass provides much of the moisture for precipitation in the central and eastern United States.

Why are maritime air masses from the north Atlantic of only limited concern for weather in the U.S.?

In North America the ________ air mass forms only in the summer.

The stormy winter weather associated with an invasion of mP air from the Atlantic into an area east of the Appalachians and north of Cape Hatteras is known as a nor'easter.

An air mass is an immense body of air characterized by homogeneous temperature and moisture content.

Air masses are identified by two-letter codes.

Most of the precipitation for the region east of the Rocky Mountains comes from:

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

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters

Exam 8: Air Masses

The ________ air mass may produce an occasional "nor'easter" in the winter.

The symbol used when classifying Maritime Polar air masses is MP.

Which air mass causes occasional drought to the southern Great Plains of the United States?

mP air masses over the northeastern United States produce stable,clear skies in the summer and heavy snowstorms in the winter.

What is the air mass type and source region for "nor'easters"?

Continental polar air masses do not form in the summer in North America.

Which of the following is not an air mass that influences North America?

Lake-effect snowfall is created as a direct result of air mass modification.

Name two source regions for Maritime Tropical air masses.

Why is Maritime Arctic left out of the air-mass classifications?

Characteristics of an air mass source region include:

Maritime Arctic air masses do not form very often.

Maritime tropical (mT)air masses are the most important source of moisture along the Pacific Coast.

The ________ air mass provides much of the moisture for precipitation in the central and eastern United States.

Why are maritime air masses from the north Atlantic of only limited concern for weather in the U.S.?

In North America the ________ air mass forms only in the summer.

The stormy winter weather associated with an invasion of mP air from the Atlantic into an area east of the Appalachians and north of Cape Hatteras is known as a nor'easter.

An air mass is an immense body of air characterized by homogeneous temperature and moisture content.

Air masses are identified by two-letter codes.

Most of the precipitation for the region east of the Rocky Mountains comes from:

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

Weather Patterns

Thunderstorms and Tornadoes

Hurricanes

Weather Analysis and Forecasting

Air Pollution

The Changing Climate

World Climates

Optical Phenomena of the Atmosphere

Filters