Question 1

To an observer on the ground,the first sign that a supercell may give birth to a tornado is the sight of _____________________ at the base of the storm.

Accepted Answer

The answer of To an observer on the ground,the first...

Question 2

Explain the types of products the National Weather Service issues in regards to tornadoes.

Accepted Answer

The National Weather Service issues seve

Question 3

As air rushes upward and spins around a low-pressure core of the vortex,the air expands,cools,and,if sufficiently moist,condenses into a ____.​

Accepted Answer

A) suction vortex 
B) mesocyclone 
C) ​vortex tube 
D) ​tornado vortex 
E) ​funnel cloud 
A) suction vortex 
B) mesocyclone 
C) ​vortex tube 
D) ​tornado vortex 
E) ​funnel cloud

Question 4

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 5

Tornadoes have occurred in every state,including Alaska and Hawaii.​

Accepted Answer

A) True 
 B)False

Question 6

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 7

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 8

Describe the times of year and times of day when most tornadoes occur in the United States.​

Accepted Answer

About 70 percent of all tornadoes in the

Question 9

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 10

If a downdraft is too ____,it may inhibit the lifting needed for tornado formation.​

Accepted Answer

A) cold and strong 
B) cold and weak 
C) ​warm and strong 
D) ​warm and weak 
E) ​humid and weak 
A) cold and strong 
B) cold and weak 
C) ​warm and strong 
D) ​warm and weak 
E) ​humid and weak

Question 11

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 12

As warm,humid air is drawn into a supercell tornado,it ____ as it rises.​

Accepted Answer

A) becomes a rear-flank downdraft 
B) becomes a front-flank downdraft 
C) ​spins counterclockwise 
D) ​spins clockwise 
E) ​spins erratically 
A) becomes a rear-flank downdraft 
B) becomes a front-flank downdraft 
C) ​spins counterclockwise 
D) ​spins clockwise 
E) ​spins erratically

Question 13

As the air beneath a funnel cloud is drawn into its core,the air cools rapidly and its moisture condenses,and the funnel cloud ascends away from the surface.​

Accepted Answer

A) True 
 B)False

Question 14

Tornadoes that do not occur in association with a mid-level mesocyclone (or a pre-existing wall cloud)of a supercell are called ____________________ tornadoes.​

Accepted Answer

nonsuperce

Question 15

Most often,tornadoes form with supercell thunderstorms in an environment with strong ____________________.​

Accepted Answer

The answer of Most often,tornadoes form with supercell thunderstorms in...

Question 16

The first stage of a tornado's life cycle is the organizing stage.

Accepted Answer

A) True 
 B)False

Question 17

The deadliest tornadoes are those that occur ____.​

Accepted Answer

A) over large distances 
B) over long periods of time 
C) ​in families 
D) ​in outbreaks 
E) ​in epidemics 
A) over large distances 
B) over long periods of time 
C) ​in families 
D) ​in outbreaks 
E) ​in epidemics

Question 18

Even the most powerful twisters seldom have winds exceeding ____ knots.​

Accepted Answer

A) 90 
B) 125 
C) ​220 
D) ​300 
E) ​410 
A) 90 
B) 125 
C) ​220 
D) ​300 
E) ​410

Question 19

How is a forward-flank downdraft produced?

Accepted Answer

As warm,humid air is drawn into the supe

Question 20

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

Accepted Answer

southeast

To an observer on the ground,the first sign that a supercell may give birth to a tornado is the sight of _____________________ at the base of the storm.

Explain the types of products the National Weather Service issues in regards to tornadoes.

As air rushes upward and spins around a low-pressure core of the vortex,the air expands,cools,and,if sufficiently moist,condenses into a ____.

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

Tornadoes have occurred in every state,including Alaska and Hawaii.

The Central Plains region is susceptible to tornadoes because ____.

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

Describe the times of year and times of day when most tornadoes occur in the United States.

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.

If a downdraft is too ____,it may inhibit the lifting needed for tornado formation.

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)____________________.

As warm,humid air is drawn into a supercell tornado,it ____ as it rises.

As the air beneath a funnel cloud is drawn into its core,the air cools rapidly and its moisture condenses,and the funnel cloud ascends away from the surface.

Tornadoes that do not occur in association with a mid-level mesocyclone (or a pre-existing wall cloud)of a supercell are called ____________________ tornadoes.

Most often,tornadoes form with supercell thunderstorms in an environment with strong ____________________.

The first stage of a tornado's life cycle is the organizing stage.

The deadliest tornadoes are those that occur ____.

Even the most powerful twisters seldom have winds exceeding ____ knots.

How is a forward-flank downdraft produced?

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

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

To an observer on the ground,the first sign that a supercell may give birth to a tornado is the sight of _____________________ at the base of the storm.

Explain the types of products the National Weather Service issues in regards to tornadoes.

As air rushes upward and spins around a low-pressure core of the vortex,the air expands,cools,and,if sufficiently moist,condenses into a ____.​

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

Tornadoes have occurred in every state,including Alaska and Hawaii.​

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

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

Describe the times of year and times of day when most tornadoes occur in the United States.​

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.​

If a downdraft is too ____,it may inhibit the lifting needed for tornado formation.​

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)____________________.​

As warm,humid air is drawn into a supercell tornado,it ____ as it rises.​

As the air beneath a funnel cloud is drawn into its core,the air cools rapidly and its moisture condenses,and the funnel cloud ascends away from the surface.​

Tornadoes that do not occur in association with a mid-level mesocyclone (or a pre-existing wall cloud)of a supercell are called ____________________ tornadoes.​

Most often,tornadoes form with supercell thunderstorms in an environment with strong ____________________.​

The first stage of a tornado's life cycle is the organizing stage.

The deadliest tornadoes are those that occur ____.​

Even the most powerful twisters seldom have winds exceeding ____ knots.​

How is a forward-flank downdraft produced?

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

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

As air rushes upward and spins around a low-pressure core of the vortex,the air expands,cools,and,if sufficiently moist,condenses into a ____.

Tornadoes have occurred in every state,including Alaska and Hawaii.

The Central Plains region is susceptible to tornadoes because ____.

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

Describe the times of year and times of day when most tornadoes occur in the United States.

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.

If a downdraft is too ____,it may inhibit the lifting needed for tornado formation.

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)____________________.

As warm,humid air is drawn into a supercell tornado,it ____ as it rises.

As the air beneath a funnel cloud is drawn into its core,the air cools rapidly and its moisture condenses,and the funnel cloud ascends away from the surface.

Tornadoes that do not occur in association with a mid-level mesocyclone (or a pre-existing wall cloud)of a supercell are called ____________________ tornadoes.

Most often,tornadoes form with supercell thunderstorms in an environment with strong ____________________.

The deadliest tornadoes are those that occur ____.

Even the most powerful twisters seldom have winds exceeding ____ knots.