Question 1

​Convective instability is associated with the development of

Accepted Answer

A)   ​foggy weather.
B)   ​dew frost.
C)   hazy conditions.
D)   ​prolonged fair weather.
E)   ​severe storms, such as thunderstorms and tornadoes.F) A) and E)
G) B) and C)

Question 2

The rate at which the actual air temperature changes with increasing height above the surface is referred to as the ____ rate.​

Accepted Answer

A)   ​dry adiabatic
B)   ​environmental lapse
C)   ​moist adiabatic
D)   ​thermoclinic
E)   ​absolute stabilityF) A) and C)
G) C) and E)

Question 3

​Absolute instability results when the environmental lapse rate is ____ the ____ adiabatic rate.

Accepted Answer

A)   ​greater than; moist
B)   less than; moist
C)   the same as; dry
D)   ​greater than; dry
E)   ​less than; dryF) B) and C)
G) A) and E)

Question 4

​The combination of warming the surface and warming the air aloft creates the greatest atmospheric stability.

Accepted Answer

A) True 
 B)False

Question 5

Explain why the surface air on the leeward side of a mountain can be drier than the surface air on the windward side. What is this effect called? Can you think of a location in the United States where this might actually occur?​

Accepted Answer

​Air descending a mountain warms by comp...

Question 6

Which condition would be described as the most stable?​

Accepted Answer

A)   ​environmental lapse rate is 13 °\degree° C per kilometer
B)   ​environmental lapse rate is 3 °\degree° C per kilometer
C)   ​isothermal conditions
D)   ​an inversion
E)   ​superadiabatic conditions F) A) and C)
G) None of the above

Question 7

​Convective instability associated with severe thunderstorms and tornadoes can be brought on by lifting a stable air layer whose surface is humid and whose top is dry.

Accepted Answer

A) True 
 B)False

Question 8

The safest place to build an airport in a mountainous region is along a deep valley.​

Accepted Answer

A) True 
 B)False

Question 9

​Which of the following sets of conditions would produce a cumulus cloud with the lowest base?

Accepted Answer

A)   ​air temperature 90 °\degree° F, dew point temperature 50 °\degree° F
B)   ​air temperature 90 °\degree° F, dew point temperature 40 °\degree° F
C)   ​air temperature 90 °\degree° F, dew point temperature 60 °\degree° F
D)   ​air temperature 90 °\degree° F, dew point temperature 20 °\degree° F
E)   ​air temperature 90 °\degree° F, dew point temperature 10 °\degree° F F) B) and C)
G) B) and E)

Question 10

An inversion represents an extremely stable atmosphere because air that rises into the inversion will eventually become ____ and ____ dense than the surrounding air.​

Accepted Answer

A)   ​warmer; less
B)   ​warmer; more
C)   ​colder; less
D)   ​colder; more
E)   ​warmer; similarlyF) C) and D)
G) A) and E)

Question 11

At Earth's surface, a rising saturated air parcel cools at the​

Accepted Answer

A)   ​moist adiabatic rate.
B)   ​dry adiabatic rate.
C)   ​condensation rate.
D)   ​saturation rate.
E)   ​development rate.F) B) and E)
G) A) and B)

Question 12

What is a stable atmosphere and how can it form?​

Accepted Answer

​Atmospheric stability is a condition of...

Question 13

When air is stable and close to saturation stratocumulus clouds can be produced by a process called ____________________.​

Accepted Answer

The answer of When air is stable and close to...

Question 14

Billow clouds form along the top of a cloud layer when changes in wind speed and direction reach a critical value, and an inversion caps the cloud-forming layers.

Accepted Answer

A) True 
 B)False

Question 15

​Inversions that form as air slowly sinks over a large area are called ____________________ inversions.

Accepted Answer

The answer of ​Inversions that form as air slowly sinks...

Question 16

​Forced lifting along a topographic barrier is called ____.

Accepted Answer

A)   ​orographic rising
B)   ​orographic uplift
C)   ​topographical uplift
D)   ​topographical uprise
E)   ​orographic upriseF) A) and B)
G) A) and C)

Question 17

​Subsidence has no effect on atmospheric stability.

Accepted Answer

A) True 
 B)False

Question 18

Subsidence inversions are just as common on Earth's surface as they are aloft.​

Accepted Answer

A) True 
 B)False

Question 19

A hot "bubble" of air is called a(n) ____________________.​

Accepted Answer

The answer of A hot "bubble" of air is called...

Question 20

In a conditionally unstable atmosphere, the environmental lapse rate will be ____ the moist adiabatic rate and ____ the dry adiabatic rate.​

Accepted Answer

A)   ​greater than; less than
B)   ​greater than; greater than
C)   ​less than; greater than
D)   ​less than; less than
E)   ​the same as; the same asF) A) and B)
G) B) and D)

Exam 6: Stability and Cloud Development

​Convective instability associated with severe thunderstorms and tornadoes can be brought on by lifting a stable air layer whose surface is humid and whose top is dry.

Correct AnswerverifiedShow Answer

An inversion represents an extremely stable atmosphere because air that rises into the inversion will eventually become ____ and ____ dense than the surrounding air.​

Correct AnswerverifiedShow Answer

The safest place to build an airport in a mountainous region is along a deep valley.​

Correct AnswerverifiedShow Answer

In a conditionally unstable atmosphere, the environmental lapse rate will be ____ the moist adiabatic rate and ____ the dry adiabatic rate.​

Correct AnswerverifiedShow Answer

Explain why the surface air on the leeward side of a mountain can be drier than the surface air on the windward side. What is this effect called? Can you think of a location in the United States where this might actually occur?​

Correct Answerverified​Air descending a mountain warms by comp...View AnswerShow Answer

Subsidence inversions are just as common on Earth's surface as they are aloft.​

Correct AnswerverifiedShow Answer

​Convective instability is associated with the development of

Correct AnswerverifiedShow Answer

When air is stable and close to saturation stratocumulus clouds can be produced by a process called ____________________.​

Correct AnswerverifiedShow Answer

What is a stable atmosphere and how can it form?​

Correct Answerverified​Atmospheric stability is a condition of...View AnswerShow Answer

Which condition would be described as the most stable?​

Correct AnswerverifiedShow Answer

​Subsidence has no effect on atmospheric stability.

Correct AnswerverifiedShow Answer

Billow clouds form along the top of a cloud layer when changes in wind speed and direction reach a critical value, and an inversion caps the cloud-forming layers.

Correct AnswerverifiedShow Answer

A hot "bubble" of air is called a(n) ____________________.​

Correct AnswerverifiedShow Answer

At Earth's surface, a rising saturated air parcel cools at the​

Correct AnswerverifiedShow Answer

​The combination of warming the surface and warming the air aloft creates the greatest atmospheric stability.

Correct AnswerverifiedShow Answer

​Forced lifting along a topographic barrier is called ____.

Correct AnswerverifiedShow Answer

​Which of the following sets of conditions would produce a cumulus cloud with the lowest base?

Correct AnswerverifiedShow Answer

​Inversions that form as air slowly sinks over a large area are called ____________________ inversions.

Correct AnswerverifiedShow Answer

The rate at which the actual air temperature changes with increasing height above the surface is referred to as the ____ rate.​

Correct AnswerverifiedShow Answer

​Absolute instability results when the environmental lapse rate is ____ the ____ adiabatic rate.

Correct AnswerverifiedShow Answer

Convective instability associated with severe thunderstorms and tornadoes can be brought on by lifting a stable air layer whose surface is humid and whose top is dry.

Correct Answer
verified

An inversion represents an extremely stable atmosphere because air that rises into the inversion will eventually become and dense than the surrounding air.

Correct Answer
verified

The safest place to build an airport in a mountainous region is along a deep valley.

Correct Answer
verified

In a conditionally unstable atmosphere, the environmental lapse rate will be the moist adiabatic rate and the dry adiabatic rate.

Correct Answer
verified

Explain why the surface air on the leeward side of a mountain can be drier than the surface air on the windward side. What is this effect called? Can you think of a location in the United States where this might actually occur?

Correct Answer
verified
Air descending a mountain warms by comp...
View Answer

Subsidence inversions are just as common on Earth's surface as they are aloft.

Correct Answer
verified

Convective instability is associated with the development of

Correct Answer
verified

When air is stable and close to saturation stratocumulus clouds can be produced by a process called ____________________.

Correct Answer
verified

What is a stable atmosphere and how can it form?

Correct Answer
verified
Atmospheric stability is a condition of...
View Answer

Which condition would be described as the most stable?

Correct Answer
verified

Subsidence has no effect on atmospheric stability.

Correct Answer
verified

Correct Answer
verified

A hot "bubble" of air is called a(n) ____________________.

Correct Answer
verified

At Earth's surface, a rising saturated air parcel cools at the

Correct Answer
verified

The combination of warming the surface and warming the air aloft creates the greatest atmospheric stability.

Correct Answer
verified

Forced lifting along a topographic barrier is called ____.

Correct Answer
verified

Which of the following sets of conditions would produce a cumulus cloud with the lowest base?

Correct Answer
verified

Inversions that form as air slowly sinks over a large area are called ____________________ inversions.

Correct Answer
verified

The rate at which the actual air temperature changes with increasing height above the surface is referred to as the ____ rate.

Correct Answer
verified

Absolute instability results when the environmental lapse rate is the adiabatic rate.

Correct Answer
verified