Question 1

The warm temperatures of a heat burst (a very warm thunderstorm downdraft)are caused by evaporative warming.

Accepted Answer

A) True 
 B)False

Question 2

Squall lines generally do not form:

Accepted Answer

A)  behind a cold front
B)  when the air aloft develops waves downwind from a cold front
C)  along a dry line
D)  in the warm sector where warm,dry air meets warm,humid air
E)  ahead of an advancing cold frontF) A) and D)
G) A) and C)

Question 3

An ordinary cell thunderstorm is most intense during the __________ stage.

Accepted Answer

A)  mature
B)  multicell
C)  cumulus
D)  dissipatingE) All of the above
F) B) and C)

Question 4

The downdraft in an ordinary thunderstorm is created mainly by:

Accepted Answer

A)  the melting of snow in the anvil
B)  electrical attraction between the cloud and ground
C)  the release of latent heat as water in the cloud freezes
D)  evaporating raindrops that make the air cold and heavy
E)  upper level wind motionsF) C) and E)
G) A) and E)

Question 5

Thunderstorms that move to the right of the winds aloft tend to:

Accepted Answer

A)  form along warm fronts
B)  cut off the supply of humid air to thunderstorms to the north of them
C)  form in the northern United States and Canada where the Coriolis force isGreatest
D)  form near mountains where upper-level winds develop into waves
E)  form over water due to the reduced friction thereF) A) and B)
G) D) and E)

Question 6

Conditional instability is a favorable condition for thunderstorm formation.

Accepted Answer

A) True 
 B)False

Question 7

Many flash floods,including those that occurred in Rapid City,South Dakota,and in Colorado's Big Thompson Canyon,are the result of thunderstorms that:

Accepted Answer

A)  contain no lightning
B)  form in a dry air mass
C)  move slowly
D)  have weak or non-existent downdraftsE) A) and C)
F) A) and D)

Question 8

What is wind shear? Why does wind shear represent a hazard to aviation?

Accepted Answer

Wind shear refers to a change in wind sp...

Question 9

The low-level jet stream reaches its maximum strength at night.

Accepted Answer

A) True 
 B)False

Question 10

What is a squall line? Where would you expect squall lines to form?

Accepted Answer

The answer of What is a squall line? Where would...

Question 11

An important principle in the electrification of a cumulonimbus cloud is that:

Accepted Answer

A)  raindrops are always positively charged
B)  supercooled water is always negatively charged
C)  ice crystals are always negatively charged
D)  there is a net transfer of positive ions from a warmer object to a colder objectE) C) and D)
F) A) and C)

Question 12

A supercell storm consists of a single rotating updraft.

Accepted Answer

A) True 
 B)False

Question 13

Why is the weather so violent inside a supercell thunderstorm?

Accepted Answer

A supercell thunderstorm is characterize...

Question 14

Severe thunderstorms often occur where the dryline intersects a front or an outflow boundary.

Accepted Answer

A) True 
 B)False

Question 15

List and describe the stages of development of an ordinary cell thunderstorm.About how long does a single ordinary thunderstorm cell last?

Accepted Answer

The stages of development of an ordinary...

Question 16

How does a thunderstorm gust front form? What might you expect to see and feel if a gust front were to approach and pass you on the ground?

Accepted Answer

A thunderstorm gust front forms as a res...

Question 17

Where do thunderstorms form most frequently in the US? Why is this the case? Is this also where most tornadoes occur? Explain.

Accepted Answer

Thunderstorms form most frequently in th...

Question 18

Lightning may occur:

Accepted Answer

A)  within a cloud
B)  from a cloud to the ground
C)  from one cloud to another cloud
D)  all of the aboveE) B) and C)
F) A) and D)

Question 19

Jet streaks are thought to have little to do with the development of severe thunderstorms.

Accepted Answer

A) True 
 B)False

Question 20

Where does the energy in a mature thunderstorm come from?

Accepted Answer

The energy in a mature thunderstorm prim...

Exam 11: Thunderstorms

What is a squall line? Where would you expect squall lines to form?

Correct AnswerverifiedShow Answer

Jet streaks are thought to have little to do with the development of severe thunderstorms.

Correct AnswerverifiedShow Answer

Squall lines generally do not form:

Correct AnswerverifiedShow Answer

The warm temperatures of a heat burst (a very warm thunderstorm downdraft)are caused by evaporative warming.

Correct AnswerverifiedShow Answer

Severe thunderstorms often occur where the dryline intersects a front or an outflow boundary.

Correct AnswerverifiedShow Answer

The downdraft in an ordinary thunderstorm is created mainly by:

Correct AnswerverifiedShow Answer

Many flash floods,including those that occurred in Rapid City,South Dakota,and in Colorado's Big Thompson Canyon,are the result of thunderstorms that:

Correct AnswerverifiedShow Answer

List and describe the stages of development of an ordinary cell thunderstorm.About how long does a single ordinary thunderstorm cell last?

Correct AnswerAnswered by ExamLex AIThe stages of development of an ordinary...View AnswerShow Answer

An ordinary cell thunderstorm is most intense during the __________ stage.

Correct AnswerverifiedShow Answer

Lightning may occur:

Correct AnswerverifiedShow Answer

Where does the energy in a mature thunderstorm come from?

Correct AnswerAnswered by ExamLex AIThe energy in a mature thunderstorm prim...View AnswerShow Answer

How does a thunderstorm gust front form? What might you expect to see and feel if a gust front were to approach and pass you on the ground?

Correct AnswerAnswered by ExamLex AIA thunderstorm gust front forms as a res...View AnswerShow Answer

Conditional instability is a favorable condition for thunderstorm formation.

Correct AnswerverifiedShow Answer

What is wind shear? Why does wind shear represent a hazard to aviation?

Correct AnswerAnswered by ExamLex AIWind shear refers to a change in wind sp...View AnswerShow Answer

A supercell storm consists of a single rotating updraft.

Correct AnswerverifiedShow Answer

Where do thunderstorms form most frequently in the US? Why is this the case? Is this also where most tornadoes occur? Explain.

Correct AnswerAnswered by ExamLex AIThunderstorms form most frequently in th...View AnswerShow Answer

Thunderstorms that move to the right of the winds aloft tend to:

Correct AnswerverifiedShow Answer

An important principle in the electrification of a cumulonimbus cloud is that:

Correct AnswerverifiedShow Answer

Why is the weather so violent inside a supercell thunderstorm?

Correct AnswerAnswered by ExamLex AIA supercell thunderstorm is characterize...View AnswerShow Answer

The low-level jet stream reaches its maximum strength at night.

Correct AnswerverifiedShow Answer

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Answered by ExamLex AI
The stages of development of an ordinary...
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Correct Answer
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Correct Answer
Answered by ExamLex AI
The energy in a mature thunderstorm prim...
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Answered by ExamLex AI
A thunderstorm gust front forms as a res...
View Answer

Correct Answer
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Correct Answer
Answered by ExamLex AI
Wind shear refers to a change in wind sp...
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Answered by ExamLex AI
Thunderstorms form most frequently in th...
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Correct Answer
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Correct Answer
Answered by ExamLex AI
A supercell thunderstorm is characterize...
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