Question 1

-Consider the map above. What air mass is the most likely to be found in Florida, just ahead of the cold front?

Accepted Answer

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

Question 2

Air mass modifications produced by cyclones or topography rather than surface temperatures are called:

Accepted Answer

A)  thermal modifications. 
B)  synoptic modifications. 
C)  microscale modifications. 
D)  mechanical modifications. 
A)  thermal modifications. 
B)  synoptic modifications. 
C)  microscale modifications. 
D)  mechanical modifications.

Question 3

Continental tropical (cT) air masses are associated with summer drought conditions in the southern Great Plains.

Accepted Answer

A) True 
 B)False

Question 4

Maritime polar (mP) air masses have their greatest influence in the eastern United States.

Accepted Answer

A) True 
 B)False

Question 5

Which air mass code letter is paired with the wrong word?

Accepted Answer

A)  t = temperate 
B)  a = arctic 
C)  m = maritime 
D)  c = continental 
A)  t = temperate 
B)  a = arctic 
C)  m = maritime 
D)  c = continental

Question 6

An air mass is often modified as it moves over the earth's surface. This modification is largely due to:

Accepted Answer

A)  contact with the new surface below. 
B)  clouds. 
C)  strong pressure gradients. 
D)  lifting along fronts. 
E)  jet streams above. 
A)  contact with the new surface below. 
B)  clouds. 
C)  strong pressure gradients. 
D)  lifting along fronts. 
E)  jet streams above.

Question 7

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 8

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

Accepted Answer

A) True 
 B)False

Question 9

All of the following accompany a classic New England nor'easter EXCEPT:

Accepted Answer

A)  widespread power outages and transportation interruptions. 
B)  mP air pulled in from the Atlantic Ocean. 
C)  heavy snowfall. 
D)  a strong storm forming in Canada and moving into New England from the North. 
A)  widespread power outages and transportation interruptions. 
B)  mP air pulled in from the Atlantic Ocean. 
C)  heavy snowfall. 
D)  a strong storm forming in Canada and moving into New England from the North.

Question 10

Which of the following statements is TRUE of lake- effect snowfall?

Accepted Answer

A)  Lake- effect events are not capable of generating more than a centimeter or two of snow. 
B)  Lake- effect snowfall accounts for only a small portion of seasonal snowfall along the eastern edges of the Great Lakes. 
C)  Lake- effect events are produced through the modification of mP air masses. 
D)  Along the Great Lakes, lake- effect snowfall usually only occurs within 80 km of the leeward lake shores. 
A)  Lake- effect events are not capable of generating more than a centimeter or two of snow. 
B)  Lake- effect snowfall accounts for only a small portion of seasonal snowfall along the eastern edges of the Great Lakes. 
C)  Lake- effect events are produced through the modification of mP air masses. 
D)  Along the Great Lakes, lake- effect snowfall usually only occurs within 80 km of the leeward lake shores.

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

The stability of an air mass can be affected by:

Accepted Answer

A)  mountain ranges. 
B)  anticyclones. 
C)  mountain ranges, cyclones, and anticyclones. 
D)  cyclones. 
A)  mountain ranges. 
B)  anticyclones. 
C)  mountain ranges, cyclones, and anticyclones. 
D)  cyclones.

Question 13

A region dominated by cyclones is more likely to produce an air mass than a region dominated by anticyclones.

Accepted Answer

A) True 
 B)False

Question 14

What air- mass type tends to dominate the weather in the U.S. east of the Rocky Mountains during winter? During summer?

Accepted Answer

cP during

Question 15

Air masses with cA and cP designations are typically:

Accepted Answer

A)  conditionally unstable. 
B)  stable. 
C)  absolutely unstable. 
A)  conditionally unstable. 
B)  stable. 
C)  absolutely unstable.

-Consider the map above. What air mass is the most likely to be found in Florida, just ahead of the cold front?

Air mass modifications produced by cyclones or topography rather than surface temperatures are called:

Continental tropical (cT) air masses are associated with summer drought conditions in the southern Great Plains.

Maritime polar (mP) air masses have their greatest influence in the eastern United States.

Which air mass code letter is paired with the wrong word?

An air mass is often modified as it moves over the earth's surface. This modification is largely due to:

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.

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

All of the following accompany a classic New England nor'easter EXCEPT:

Which of the following statements is TRUE of lake- effect snowfall?

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

The stability of an air mass can be affected by:

A region dominated by cyclones is more likely to produce an air mass than a region dominated by anticyclones.

What air- mass type tends to dominate the weather in the U.S. east of the Rocky Mountains during winter? During summer?

Air masses with cA and cP designations are typically:

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

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Exam 8: Air Masses

-Consider the map above. What air mass is the most likely to be found in Florida, just ahead of the cold front?

Air mass modifications produced by cyclones or topography rather than surface temperatures are called:

Continental tropical (cT) air masses are associated with summer drought conditions in the southern Great Plains.

Maritime polar (mP) air masses have their greatest influence in the eastern United States.

Which air mass code letter is paired with the wrong word?

An air mass is often modified as it moves over the earth's surface. This modification is largely due to:

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.

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

All of the following accompany a classic New England nor'easter EXCEPT:

Which of the following statements is TRUE of lake- effect snowfall?

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

The stability of an air mass can be affected by:

A region dominated by cyclones is more likely to produce an air mass than a region dominated by anticyclones.

What air- mass type tends to dominate the weather in the U.S. east of the Rocky Mountains during winter? During summer?

Air masses with cA and cP designations are typically:

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