Question 1

A small thunderstorm cloud with virga falling out of its base and blowing dust at the ground could warn of a severe hazard to an airplane because

Accepted Answer

A)  this could be the first indication of a tornado. 
B)  it is likely that hail will soon begin to fall. 
C)  this could indicate an intense downdraft or microburst. 
D)  the airplane could be struck by lightning. 
A)  this could be the first indication of a tornado. 
B)  it is likely that hail will soon begin to fall. 
C)  this could indicate an intense downdraft or microburst. 
D)  the airplane could be struck by lightning. C

Question 2

Severe thunderstorms are different from ordinary thunderstorms in that severe thunderstorms

Accepted Answer

A)  contain thunder and lightning. 
B)  have an anvil. 
C)  contain hail. 
D)  have a strong updraft and downdraft. 
E)  have a tilted updraft in the mature stage. 
A)  contain thunder and lightning. 
B)  have an anvil. 
C)  contain hail. 
D)  have a strong updraft and downdraft. 
E)  have a tilted updraft in the mature stage. E

Question 3

When caught in a thunderstorm in an open field,the best thing to do is to

Accepted Answer

A)  run for cover under the nearest tree. 
B)  lie down flat on the ground. 
C)  crouch down as low as possible while minimizing contact with the ground. 
D)  remove all metallic objects from your pockets. 
A)  run for cover under the nearest tree. 
B)  lie down flat on the ground. 
C)  crouch down as low as possible while minimizing contact with the ground. 
D)  remove all metallic objects from your pockets. 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 motions. 
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 motions.

Question 5

List and discuss some of the atmospheric conditions that are needed for a thunderstorm to develop.

Accepted Answer

The answer of List and discuss some of the atmospheric...

Question 6

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 7

The most likely time for an ordinary thunderstorm to form is

Accepted Answer

A)  just after sunrise. 
B)  just before sunrise. 
C)  around midnight. 
D)  late afternoon. 
E)  at noon. 
A)  just after sunrise. 
B)  just before sunrise. 
C)  around midnight. 
D)  late afternoon. 
E)  at noon.

Question 8

In a typical tornado the winds are usually not much more than ____ miles per hour.

Accepted Answer

A)  25 
B)  50 
C)  100 
D)  200 
A)  25 
B)  50 
C)  100 
D)  200

Question 9

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 front. 
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 front.

Question 10

Which of the following statements about tornadoes is correct?

Accepted Answer

A)  All tornadoes rotate in a counterclockwise direction. 
B)  Tornadoes never strike the same place twice. 
C)  All tornadoes make a distinction roar. 
D)  The United States has more tornadoes that any other country in the world. 
A)  All tornadoes rotate in a counterclockwise direction. 
B)  Tornadoes never strike the same place twice. 
C)  All tornadoes make a distinction roar. 
D)  The United States has more tornadoes that any other country in the world.

Question 11

Compare some damaging straight-line winds with tornado winds.Which do you think are more destructive?

Accepted Answer

Damaging straight-line winds and tornado

Question 12

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

Question 13

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

Accepted Answer

The answer of List and describe the stages of development...

Question 14

All thunderstorms require

Accepted Answer

A)  hot,humid air. 
B)  divergence of the air aloft. 
C)  lifting along some barrier such as a mountain or front. 
D)  surface heating. 
E)  rising air. 
A)  hot,humid air. 
B)  divergence of the air aloft. 
C)  lifting along some barrier such as a mountain or front. 
D)  surface heating. 
E)  rising air.

Question 15

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 16

The initial stage of an ordinary thunderstorm is the

Accepted Answer

A)  mature stage. 
B)  dissipating stage. 
C)  cumulus stage. 
D)  multicell stage. 
A)  mature stage. 
B)  dissipating stage. 
C)  cumulus stage. 
D)  multicell stage.

Question 17

If a tornado is rotating in a counterclockwise direction and moving toward the northeast,the strongest winds will be on its ____ side.

Accepted Answer

A)  southwestern 
B)  southeastern 
C)  northeastern 
D)  northwestern 
A)  southwestern 
B)  southeastern 
C)  northeastern 
D)  northwestern

Question 18

Most tornadoes move from the southwest toward the northeast.Why is this true?

Accepted Answer

Most tornadoes move from the southwest t

Question 19

In a region where severe thunderstorms with tornadoes are forming,one would not expect to observe

Accepted Answer

A)  a strong ridge of high pressure over the region. 
B)  a dry tongue of cold air between the 700 and 500 mb levels. 
C)  the polar jet stream above the region. 
D)  moist warm air moving north at about the 850 mb level. 
A)  a strong ridge of high pressure over the region. 
B)  a dry tongue of cold air between the 700 and 500 mb levels. 
C)  the polar jet stream above the region. 
D)  moist warm air moving north at about the 850 mb level.

Question 20

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

A small thunderstorm cloud with virga falling out of its base and blowing dust at the ground could warn of a severe hazard to an airplane because

Severe thunderstorms are different from ordinary thunderstorms in that severe thunderstorms

When caught in a thunderstorm in an open field,the best thing to do is to

The downdraft in an ordinary thunderstorm is created mainly by

List and discuss some of the atmospheric conditions that are needed for a thunderstorm to develop.

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

The most likely time for an ordinary thunderstorm to form is

In a typical tornado the winds are usually not much more than ____ miles per hour.

Squall lines generally do not form

Which of the following statements about tornadoes is correct?

Compare some damaging straight-line winds with tornado winds.Which do you think are more destructive?

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

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

All thunderstorms require

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

The initial stage of an ordinary thunderstorm is the

If a tornado is rotating in a counterclockwise direction and moving toward the northeast,the strongest winds will be on its ____ side.

Most tornadoes move from the southwest toward the northeast.Why is this true?

In a region where severe thunderstorms with tornadoes are forming,one would not expect to observe

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

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

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light, Color, and Atmospheric Optics

Filters

Exam 14: Thunderstorms and Tornadoes

A small thunderstorm cloud with virga falling out of its base and blowing dust at the ground could warn of a severe hazard to an airplane because

Severe thunderstorms are different from ordinary thunderstorms in that severe thunderstorms

When caught in a thunderstorm in an open field,the best thing to do is to

The downdraft in an ordinary thunderstorm is created mainly by

List and discuss some of the atmospheric conditions that are needed for a thunderstorm to develop.

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

The most likely time for an ordinary thunderstorm to form is

In a typical tornado the winds are usually not much more than ____ miles per hour.

Squall lines generally do not form

Which of the following statements about tornadoes is correct?

Compare some damaging straight-line winds with tornado winds.Which do you think are more destructive?

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

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

All thunderstorms require

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

The initial stage of an ordinary thunderstorm is the

If a tornado is rotating in a counterclockwise direction and moving toward the northeast,the strongest winds will be on its ____ side.

Most tornadoes move from the southwest toward the northeast.Why is this true?

In a region where severe thunderstorms with tornadoes are forming,one would not expect to observe

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

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

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 .