Question 1

A horizontal tube of spinning air, created by vertical wind shear, causes the air near the surface to rotate about a horizontal axis, and is called a mesocyclone.​

Accepted Answer

A) True 
 B)False

Question 2

A system called Doppler lidar uses a light beam to measure the change in frequency of falling precipitation, cloud particles, and dust.​

Accepted Answer

A) True 
 B)False

Question 3

During the ____, tornadoes are most likely to form over the southern Gulf states when the polar-front jet is above this region.

Accepted Answer

A)   ​late spring
B)   early spring​
C)   ​autumn
D)   ​winter
E)   ​summerF) C) and E)
G) B) and E)

Question 4

The most frequent time of day for tornadoes to form is in the ____.​

Accepted Answer

A)   ​early morning just after sunrise
B)   ​late morning just before noon
C)   ​evening just after sunset
D)   ​late afternoon
E)   ​middle of the nightF) A) and E)
G) A) and C)

Question 5

In recent years, most of our knowledge about what goes on inside a tornado-generating thunderstorm has been gathered through the use of ____.​

Accepted Answer

A)   ​vortex chambers
B)   ​spotter networks
C)   ​algorithms
D)   ​Doppler radar
E)   ​storm chasersF) B) and D)
G) C) and E)

Question 6

Sometimes the air is so dry that swirling, rotating wind remains invisible until it reaches the ground and begins to pick up dust, called dust devils

Accepted Answer

A) True 
 B)False

Question 7

When a tornado is approaching from the southwest, its strongest winds are on its ____________________ side.

Accepted Answer

southeast
...

Question 8

No country experiences more tornadoes than ____.​

Accepted Answer

A)   ​China
B)   ​South Africa
C)   ​the United States
D)   ​Brazil
E)   ​RussiaF) A) and B)
G) A) and E)

Question 9

When vertical wind shear causes air near the surface to rotate about a horizontal axis, ___ are created.​

Accepted Answer

A)   ​mesocyclone
B)   ​vortex tubes
C)   ​suction vortices
D)   ​funnel clouds
E)   ​nonsupercell tornadoesF) None of the above
G) B) and E)

Question 10

Gustnadoes form along a gust front where the cool downdraft of a thunderstorm forces warm, humid air upwards.

Accepted Answer

A) True 
 B)False

Question 11

Give a basic description of a tornado outbreak.​

Accepted Answer

Sometimes a large, well-organized fronta...

Question 12

The belt of tornadoes that occur over Mississippi and Alabama is sometimes called tornado alley.​

Accepted Answer

A) True 
 B)False  False

Question 13

When a large number of tornadoes develop in association with a particular weather system (typically six tornadoes or more, although there is no strict definition), it is referred to as a(n) ____________________.​

Accepted Answer

The answer of When a large number of tornadoes develop...

Question 14

Opening windows during a tornado decreases the pressure on the opposite wall and therefore decreases the chances that the building will collapse.​

Accepted Answer

A) True 
 B)False

Question 15

To help distinguish a storm's air motions, a Doppler radar can display ____​

Accepted Answer

A)   ​amount of radiational cooling
B)   ​wind velocities in color
C)   ​lightning streaks
D)   ​funnel clouds
E)   ​the amount of solar energy of a given areaF) C) and D)
G) A) and B) B

Question 16

The final stage of a tornado's life cycle is called the shrinking stage, when usually the tornado stretches into the shape of a rope.

Accepted Answer

A) True 
 B)False

Question 17

About 70 percent of all tornadoes in the United States develop from ____.​

Accepted Answer

A)   ​May to June
B)   ​March to July
C)   ​March to May
D)   ​April to August
E)   ​April to JuneF) C) and D)
G) A) and B)

Question 18

The Central Plains region is susceptible to tornadoes because ____.​

Accepted Answer

A)   ​cool, dry surface air is overlain by warmer, more humid air aloft
B)   ​warm, humid surface air is overlain by cooler, drier air aloft
C)   ​cool, wet surface air is overlain by warmer, drier air aloft
D)   ​warm, dry surface air is overlain by cooler, wetter air aloft
E)   ​warm, humid surface air is overlain by even warmer, and more humid air aloftF) A) and B)
G) All of the above

Question 19

Damage from a tornado is normally most severe during the ____ stage.​

Accepted Answer

A)   ​dust-whirl
B)   ​organizing
C)   ​mature
D)   ​shrinking
E)   ​decayF) A) and E)
G) A) and C)

Question 20

In the United States, tornadoes are most frequent during the ____, and least frequent during the ____.​

Accepted Answer

A)   summer; fall
B)   ​spring; winter
C)   ​spring; fall
D)   ​summer; winter
E)   ​winter; fallF) B) and E)
G) C) and D) B

Exam 15: Tornadoes

A horizontal tube of spinning air, created by vertical wind shear, causes the air near the surface to rotate about a horizontal axis, and is called a mesocyclone.​

Correct AnswerverifiedShow Answer

A system called Doppler lidar uses a light beam to measure the change in frequency of falling precipitation, cloud particles, and dust.​

Correct AnswerverifiedShow Answer

During the ____, tornadoes are most likely to form over the southern Gulf states when the polar-front jet is above this region.

Correct AnswerverifiedShow Answer

The most frequent time of day for tornadoes to form is in the ____.​

Correct AnswerverifiedShow Answer

In recent years, most of our knowledge about what goes on inside a tornado-generating thunderstorm has been gathered through the use of ____.​

Correct AnswerverifiedShow Answer

Sometimes the air is so dry that swirling, rotating wind remains invisible until it reaches the ground and begins to pick up dust, called dust devils

Correct AnswerverifiedShow Answer

When a tornado is approaching from the southwest, its strongest winds are on its ____________________ side.

Correct Answerverifiedsoutheast...View AnswerShow Answer

No country experiences more tornadoes than ____.​

Correct AnswerverifiedShow Answer

When vertical wind shear causes air near the surface to rotate about a horizontal axis, ___ are created.​

Correct AnswerverifiedShow Answer

Gustnadoes form along a gust front where the cool downdraft of a thunderstorm forces warm, humid air upwards.

Correct AnswerverifiedShow Answer

Give a basic description of a tornado outbreak.​

Correct AnswerverifiedSometimes a large, well-organized fronta...View AnswerShow Answer

The belt of tornadoes that occur over Mississippi and Alabama is sometimes called tornado alley.​

Correct AnswerverifiedFalse

When a large number of tornadoes develop in association with a particular weather system (typically six tornadoes or more, although there is no strict definition), it is referred to as a(n) ____________________.​

Correct AnswerverifiedShow Answer

Opening windows during a tornado decreases the pressure on the opposite wall and therefore decreases the chances that the building will collapse.​

Correct AnswerverifiedShow Answer

To help distinguish a storm's air motions, a Doppler radar can display ____​

Correct AnswerverifiedB

The final stage of a tornado's life cycle is called the shrinking stage, when usually the tornado stretches into the shape of a rope.

Correct AnswerverifiedShow Answer

About 70 percent of all tornadoes in the United States develop from ____.​

Correct AnswerverifiedShow Answer

The Central Plains region is susceptible to tornadoes because ____.​

Correct AnswerverifiedShow Answer

Damage from a tornado is normally most severe during the ____ stage.​

Correct AnswerverifiedShow Answer

In the United States, tornadoes are most frequent during the ____, and least frequent during the ____.​

Correct AnswerverifiedB

A horizontal tube of spinning air, created by vertical wind shear, causes the air near the surface to rotate about a horizontal axis, and is called a mesocyclone.

Correct Answer
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A system called Doppler lidar uses a light beam to measure the change in frequency of falling precipitation, cloud particles, and dust.

Correct Answer
verified

Correct Answer
verified

The most frequent time of day for tornadoes to form is in the ____.

Correct Answer
verified

In recent years, most of our knowledge about what goes on inside a tornado-generating thunderstorm has been gathered through the use of ____.

Correct Answer
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Correct Answer
verified

Correct Answer
verified
southeast
...
View Answer

No country experiences more tornadoes than ____.

Correct Answer
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When vertical wind shear causes air near the surface to rotate about a horizontal axis, ___ are created.

Correct Answer
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Correct Answer
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Give a basic description of a tornado outbreak.

Correct Answer
verified
Sometimes a large, well-organized fronta...
View Answer

The belt of tornadoes that occur over Mississippi and Alabama is sometimes called tornado alley.

Correct Answer
verified
False

When a large number of tornadoes develop in association with a particular weather system (typically six tornadoes or more, although there is no strict definition), it is referred to as a(n) ____________________.

Correct Answer
verified

Opening windows during a tornado decreases the pressure on the opposite wall and therefore decreases the chances that the building will collapse.

Correct Answer
verified

To help distinguish a storm's air motions, a Doppler radar can display ____

Correct Answer
verified
B

Correct Answer
verified

About 70 percent of all tornadoes in the United States develop from ____.

Correct Answer
verified

The Central Plains region is susceptible to tornadoes because ____.

Correct Answer
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Damage from a tornado is normally most severe during the ____ stage.

Correct Answer
verified

In the United States, tornadoes are most frequent during the , and least frequent during the .

Correct Answer
verified
B