Question 1

The strength of a rear-flank downdraft is driven by the amount of precipitation-induced cooling in the upper levels of the storm.​

Accepted Answer

A) True 
 B)False

Question 2

The most severe tornado outbreaks are typically very well predicted.​

Accepted Answer

A) True 
 B)False

Question 3

The original Fujita scale, implemented in 1971, was based mainly on tornado damage incurred by a(n) ____________________.​

Accepted Answer

The answer of The original Fujita scale, implemented in 1971,...

Question 4

A tornado warning is issued by the Storm Prediction Center to alert the public that tornadoes may develop within a specific area during a certain time period.​

Accepted Answer

A) True 
 B)False

Question 5

Explain the atmospheric conditions of the Central Plains region of the United States that make this location so susceptible to tornadoes.​

Accepted Answer

The Central Plains region is most suscep

Question 6

Explain what suction vortices are.​

Accepted Answer

Many violent tornadoes (with winds excee

Question 7

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 8

What should you do if you are driving in your car and you encounter a tornado? Would a freeway overpass provide adequate shelter? Why or why not?

Accepted Answer

Don't try to outrun an oncoming tornado

Question 9

​When a rear-flank downdraft strikes the ground, it may interact with a(n) ____ beneath a mesocyclone to initiate tornadogenesis.

Accepted Answer

A)  ​updraft 
B)  ​forward-flank downdraft 
C)  ​vortex tube 
D)  ​suction vortex 
E)  ​jetstream 
A)  ​updraft 
B)  ​forward-flank downdraft 
C)  ​vortex tube 
D)  ​suction vortex 
E)  ​jetstream

Question 10

Heavy rain-chilled air descends along a tornado as a strong downdraft called the ____.​

Accepted Answer

A)  ​backwards downdraft 
B)  ​supercell downdraft 
C)  ​forward-flank downdraft 
D)  ​rear-flank downdraft 
E)  ​backdraft 
A)  ​backwards downdraft 
B)  ​supercell downdraft 
C)  ​forward-flank downdraft 
D)  ​rear-flank downdraft 
E)  ​backdraft

Question 11

​With the Doppler radar, a radar transmitter sends out ____, and when they strike an object, some are reflected and scattered back to the antenna.

Accepted Answer

A)  ​microwave pulses 
B)  ​laser beams 
C)  ​soundwaves 
D)  ​ultraviolet lightwaves 
E)  ​light beam 
A)  ​microwave pulses 
B)  ​laser beams 
C)  ​soundwaves 
D)  ​ultraviolet lightwaves 
E)  ​light beam

Question 12

A(n) ____________________ is a rotating column of air that is connected to a cumuliform cloud over a large body of water.​

Accepted Answer

The answer of A(n) ____________________ is a rotating column of...

Question 13

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 14

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 15

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

Accepted Answer

A)  ​Doppler radar 
B)  ​Doppler lidar 
C)  ​the vortex chamber 
D)  ​dual polarization radar 
E)  ​NEXRAD 
A)  ​Doppler radar 
B)  ​Doppler lidar 
C)  ​the vortex chamber 
D)  ​dual polarization radar 
E)  ​NEXRAD

Question 16

The final stage of a tornado life cycle is called the ____________________ stage, when usually the tornado is stretched into the shape of a rope.

Accepted Answer

The answer of The final stage of a tornado life...

Question 17

On the Doppler radar screen, the rotating precipitation around a mesocyclone may appear as a(n) ____.​

Accepted Answer

A)  ​straight line 
B)  ​suction vortex 
C)  ​hook echo 
D)  ​anvil 
E)  ​cloud 
A)  ​straight line 
B)  ​suction vortex 
C)  ​hook echo 
D)  ​anvil 
E)  ​cloud

Question 18

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

Accepted Answer

The answer of As air rushes upward and spins around...

Question 19

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

Accepted Answer

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

Question 20

Discuss what the Doppler radar does and the general principle upon which it works.​

Accepted Answer

A radar transmitter sends out microwave

The strength of a rear-flank downdraft is driven by the amount of precipitation-induced cooling in the upper levels of the storm.

The most severe tornado outbreaks are typically very well predicted.

The original Fujita scale, implemented in 1971, was based mainly on tornado damage incurred by a(n) ____________________.

A tornado warning is issued by the Storm Prediction Center to alert the public that tornadoes may develop within a specific area during a certain time period.

Explain the atmospheric conditions of the Central Plains region of the United States that make this location so susceptible to tornadoes.

Explain what suction vortices are.

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

What should you do if you are driving in your car and you encounter a tornado? Would a freeway overpass provide adequate shelter? Why or why not?

When a rear-flank downdraft strikes the ground, it may interact with a(n) ____ beneath a mesocyclone to initiate tornadogenesis.

Heavy rain-chilled air descends along a tornado as a strong downdraft called the ____.

With the Doppler radar, a radar transmitter sends out ____, and when they strike an object, some are reflected and scattered back to the antenna.

A(n) ____________________ is a rotating column of air that is connected to a cumuliform cloud over a large body of water.

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

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

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

The final stage of a tornado life cycle is called the ____________________ stage, when usually the tornado is stretched into the shape of a rope.

On the Doppler radar screen, the rotating precipitation around a mesocyclone may appear as a(n) ____.

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

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

Discuss what the Doppler radar does and the general principle upon which it works.

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

The strength of a rear-flank downdraft is driven by the amount of precipitation-induced cooling in the upper levels of the storm.​

The most severe tornado outbreaks are typically very well predicted.​

The original Fujita scale, implemented in 1971, was based mainly on tornado damage incurred by a(n) ____________________.​

A tornado warning is issued by the Storm Prediction Center to alert the public that tornadoes may develop within a specific area during a certain time period.​

Explain the atmospheric conditions of the Central Plains region of the United States that make this location so susceptible to tornadoes.​

Explain what suction vortices are.​

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

What should you do if you are driving in your car and you encounter a tornado? Would a freeway overpass provide adequate shelter? Why or why not?

​When a rear-flank downdraft strikes the ground, it may interact with a(n) ____ beneath a mesocyclone to initiate tornadogenesis.

Heavy rain-chilled air descends along a tornado as a strong downdraft called the ____.​

​With the Doppler radar, a radar transmitter sends out ____, and when they strike an object, some are reflected and scattered back to the antenna.

A(n) ____________________ is a rotating column of air that is connected to a cumuliform cloud over a large body of water.​

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

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

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

The final stage of a tornado life cycle is called the ____________________ stage, when usually the tornado is stretched into the shape of a rope.

On the Doppler radar screen, the rotating precipitation around a mesocyclone may appear as a(n) ____.​

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

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

Discuss what the Doppler radar does and the general principle upon which it works.​

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

The strength of a rear-flank downdraft is driven by the amount of precipitation-induced cooling in the upper levels of the storm.

The most severe tornado outbreaks are typically very well predicted.

The original Fujita scale, implemented in 1971, was based mainly on tornado damage incurred by a(n) ____________________.

A tornado warning is issued by the Storm Prediction Center to alert the public that tornadoes may develop within a specific area during a certain time period.

Explain the atmospheric conditions of the Central Plains region of the United States that make this location so susceptible to tornadoes.

Explain what suction vortices are.

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

When a rear-flank downdraft strikes the ground, it may interact with a(n) ____ beneath a mesocyclone to initiate tornadogenesis.

Heavy rain-chilled air descends along a tornado as a strong downdraft called the ____.

With the Doppler radar, a radar transmitter sends out ____, and when they strike an object, some are reflected and scattered back to the antenna.

A(n) ____________________ is a rotating column of air that is connected to a cumuliform cloud over a large body of water.

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

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

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

On the Doppler radar screen, the rotating precipitation around a mesocyclone may appear as a(n) ____.

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

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

Discuss what the Doppler radar does and the general principle upon which it works.