Question 1

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

Question 2

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

Accepted Answer

A) True 
 B)False  False

Question 3

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 area 
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 area B

Question 4

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 chasers 
A)  ​vortex chambers 
B)  ​spotter networks 
C)  ​algorithms 
D)  ​Doppler radar 
E)  ​storm chasers

Question 5

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

Accepted Answer

southeast

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

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 8

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 9

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

Question 10

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 11

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 tornadoes 
A)  ​mesocyclone 
B)  ​vortex tubes 
C)  ​suction vortices 
D)  ​funnel clouds 
E)  ​nonsupercell tornadoes

Question 12

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

Accepted Answer

A)  ​dust-whirl 
B)  ​organizing 
C)  ​mature 
D)  ​shrinking 
E)  ​decay 
A)  ​dust-whirl 
B)  ​organizing 
C)  ​mature 
D)  ​shrinking 
E)  ​decay

Question 13

No country experiences more tornadoes than ____.​

Accepted Answer

A)  ​China 
B)  ​South Africa 
C)  ​the United States 
D)  ​Brazil 
E)  ​Russia 
A)  ​China 
B)  ​South Africa 
C)  ​the United States 
D)  ​Brazil 
E)  ​Russia

Question 14

Give a basic description of a tornado outbreak.​

Accepted Answer

Sometimes a large, well-organized fronta

Question 15

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 16

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 aloft 
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 aloft

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

Question 18

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 19

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 20

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)  ​summer 
A)  ​late spring 
B)  early spring​ 
C)  ​autumn 
D)  ​winter 
E)  ​summer

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

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

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

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

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

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

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

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

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

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.

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

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

No country experiences more tornadoes than ____.

Give a basic description of a tornado outbreak.

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

The Central Plains region is susceptible to tornadoes because ____.

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

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) ____________________.

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.

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

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

Exam 15: Tornadoes

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

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

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

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

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

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

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

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

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

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.​

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

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

No country experiences more tornadoes than ____.​

Give a basic description of a tornado outbreak.​

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

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

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

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) ____________________.​

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.

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

Earth and Its Atmosphere

Energy - Warming the Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation - Dew - Fog - and Clouds

Stability and Cloud Development

Precipitation

Air Pressure and Winds

Wind - Small-Scale and Local Systems

Wind - Global Systems

Air Masses and Fronts

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

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

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

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

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

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

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

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

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.

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

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

No country experiences more tornadoes than ____.

Give a basic description of a tornado outbreak.

The Central Plains region is susceptible to tornadoes because ____.

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

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) ____________________.