Question 1

An ordinary thunderstorm is a

Accepted Answer

A)  thunderstorm that does not produce lightning or thunder. 
B)  thunderstorm that has a tilted updraft and downdraft. 
C)  scattered or isolated storm that is not severe. 
D)  thunderstorm that does not produce hail. 
A)  thunderstorm that does not produce lightning or thunder. 
B)  thunderstorm that has a tilted updraft and downdraft. 
C)  scattered or isolated storm that is not severe. 
D)  thunderstorm that does not produce hail.

Question 2

The Enhanced Fujita Scale for classifying tornado strength is based on

Accepted Answer

A)  multiple damage indicators. 
B)  degree of damage. 
C)  atmospheric stability. 
D)  multiple damage indicators and the degree of damage. 
E)  none of the above 
A)  multiple damage indicators. 
B)  degree of damage. 
C)  atmospheric stability. 
D)  multiple damage indicators and the degree of damage. 
E)  none of the above

Question 3

The upper part of a thunderstorm cloud is normally ____ charged,and the middle and lower parts are ____ charged.

Accepted Answer

A)  negatively,negatively 
B)  negatively,positively 
C)  positively,positively 
D)  positively,negatively 
A)  negatively,negatively 
B)  negatively,positively 
C)  positively,positively 
D)  positively,negatively

Question 4

What makes a tornado-producing thunderstorm different from other thunderstorms?

Accepted Answer

A tornado-producing thunderstorm, often

Question 5

Many flash floods,including those that occurred in Rapid City,South Dakota,and in Colorado's Big Thompson Canyon,are the result of thunderstorms that

Accepted Answer

A)  contain no lightning. 
B)  form in a dry air mass. 
C)  move slowly. 
D)  have weak or non-existent downdrafts. 
A)  contain no lightning. 
B)  form in a dry air mass. 
C)  move slowly. 
D)  have weak or non-existent downdrafts.

Question 6

An ordinary thunderstorm is most intense during the ____ stage.

Accepted Answer

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

Question 7

The signal detected by a Doppler radar is

Accepted Answer

A)  a radiowave emitted by lightning. 
B)  a soundwave produced by thunder. 
C)  a radiowave reflected by precipitation. 
D)  a soundwave produced by wind shear. 
A)  a radiowave emitted by lightning. 
B)  a soundwave produced by thunder. 
C)  a radiowave reflected by precipitation. 
D)  a soundwave produced by wind shear.

Question 8

The fact that thunder sometimes sounds like a loud crash or peal,and other times sounds like a dull rumble,has nothing to do with the intensity of the lightning strike that produced the thunder.Explain why.

Accepted Answer

The variations in the sound of thunder,

Question 9

The funnel cloud characteristic of a tornado is principally formed by

Accepted Answer

A)  condensation of water vapor in air drawn into the low pressure core of the tornado. 
B)  dust and dirt picked up from the atmosphere. 
C)  clouds being funneled by downward air currents coming out of a cumulonimbus cloud. 
D)  water drawn up from the sea surface into the cloud. 
E)  gaseous products from intense lightning activity within the tornado. 
A)  condensation of water vapor in air drawn into the low pressure core of the tornado. 
B)  dust and dirt picked up from the atmosphere. 
C)  clouds being funneled by downward air currents coming out of a cumulonimbus cloud. 
D)  water drawn up from the sea surface into the cloud. 
E)  gaseous products from intense lightning activity within the tornado.

Question 10

In what ways are multicell thunderstorms different from ordinary thunderstorms? What are some of the meteorological or atmospheric conditions that favor the development of multicell thunderstorms?

Accepted Answer

The answer of In what ways are multicell thunderstorms different...

Question 11

Distant lightning that is so far away you cannot hear the thunder is called

Accepted Answer

A)  sheet lightning. 
B)  heat lightning. 
C)  false lightning. 
D)  St.Elmo's fire. 
E)  auroral lightning. 
A)  sheet lightning. 
B)  heat lightning. 
C)  false lightning. 
D)  St.Elmo's fire. 
E)  auroral lightning.

Question 12

Supercell thunderstorms ____ become severe.

Accepted Answer

A)  rarely 
B)  occasionally 
C)  often 
D)  always 
A)  rarely 
B)  occasionally 
C)  often 
D)  always

Question 13

During the summer,what conditions prevail near the surface over the Great Plains that help a hailstone survive as ice all the way to the ground?

Accepted Answer

A)  a warm,shallow layer of dry air 
B)  a warm,thick layer of moist air 
C)  a cold,shallow layer of dry air 
D)  a cold,thick layer of moist air 
E)  a warm,shallow layer of moist air 
A)  a warm,shallow layer of dry air 
B)  a warm,thick layer of moist air 
C)  a cold,shallow layer of dry air 
D)  a cold,thick layer of moist air 
E)  a warm,shallow layer of moist air

Question 14

How does a supercell thunderstorm differ from a multicell thunderstorm?

Accepted Answer

A supercell thunderstorm and a multicell

Question 15

The region of greatest tornado activity shifts northward from early spring to summer.Why does this occur?

Accepted Answer

The region of greatest tornado activity,

Question 16

Ordinary thunderstorms only last about one hour and begin to dissipate when

Accepted Answer

A)  lightning neutralizes all the electrical charge in the cloud. 
B)  when all the precipitation particles in the cloud turn to ice. 
C)  when the downdraft spreads throughout the cloud and cuts off the updraft. 
D)  when solar heating at the ground begins to decrease. 
A)  lightning neutralizes all the electrical charge in the cloud. 
B)  when all the precipitation particles in the cloud turn to ice. 
C)  when the downdraft spreads throughout the cloud and cuts off the updraft. 
D)  when solar heating at the ground begins to decrease.

Question 17

The electrification of a cumulonimbus cloud appears to involve

Accepted Answer

A)  graupel or hailstones. 
B)  supercooled cloud droplets. 
C)  ice crystals. 
D)  all of the above 
A)  graupel or hailstones. 
B)  supercooled cloud droplets. 
C)  ice crystals. 
D)  all of the above

Question 18

In an eastward moving thunderstorm,the most likely place for a tornado to develop is in the ____ part of the storm.

Accepted Answer

A)  northeast 
B)  southeast 
C)  northwest 
D)  southwest 
A)  northeast 
B)  southeast 
C)  northwest 
D)  southwest

Question 19

An important principle in the electrification of a cumulonimbus cloud is that

Accepted Answer

A)  raindrops are always positively charged. 
B)  supercooled water is always negatively charged. 
C)  ice crystals are always negatively charged. 
D)  there is a net transfer of positive ions from a warmer object to a colder object. 
A)  raindrops are always positively charged. 
B)  supercooled water is always negatively charged. 
C)  ice crystals are always negatively charged. 
D)  there is a net transfer of positive ions from a warmer object to a colder object.

Question 20

You are generally safe inside an automobile during a lighting storm because

Accepted Answer

A)  the car's radio antenna will act as a lightning rod: 
B)  the rubber tires insulate you from the ground. 
C)  metal cars do not become electrically charged. 
D)  the metal car body will carry the lightning current around the passengers inside. 
A)  the car's radio antenna will act as a lightning rod: 
B)  the rubber tires insulate you from the ground. 
C)  metal cars do not become electrically charged. 
D)  the metal car body will carry the lightning current around the passengers inside.

An ordinary thunderstorm is a

The Enhanced Fujita Scale for classifying tornado strength is based on

The upper part of a thunderstorm cloud is normally charged,and the middle and lower parts are charged.

What makes a tornado-producing thunderstorm different from other thunderstorms?

Many flash floods,including those that occurred in Rapid City,South Dakota,and in Colorado's Big Thompson Canyon,are the result of thunderstorms that

An ordinary thunderstorm is most intense during the ____ stage.

The signal detected by a Doppler radar is

The fact that thunder sometimes sounds like a loud crash or peal,and other times sounds like a dull rumble,has nothing to do with the intensity of the lightning strike that produced the thunder.Explain why.

The funnel cloud characteristic of a tornado is principally formed by

In what ways are multicell thunderstorms different from ordinary thunderstorms? What are some of the meteorological or atmospheric conditions that favor the development of multicell thunderstorms?

Distant lightning that is so far away you cannot hear the thunder is called

Supercell thunderstorms ____ become severe.

During the summer,what conditions prevail near the surface over the Great Plains that help a hailstone survive as ice all the way to the ground?

How does a supercell thunderstorm differ from a multicell thunderstorm?

The region of greatest tornado activity shifts northward from early spring to summer.Why does this occur?

Ordinary thunderstorms only last about one hour and begin to dissipate when

The electrification of a cumulonimbus cloud appears to involve

In an eastward moving thunderstorm,the most likely place for a tornado to develop is in the ____ part of the storm.

An important principle in the electrification of a cumulonimbus cloud is that

You are generally safe inside an automobile during a lighting storm because

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

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Exam 14: Thunderstorms and Tornadoes

An ordinary thunderstorm is a

The Enhanced Fujita Scale for classifying tornado strength is based on

The upper part of a thunderstorm cloud is normally ____ charged,and the middle and lower parts are ____ charged.

What makes a tornado-producing thunderstorm different from other thunderstorms?

Many flash floods,including those that occurred in Rapid City,South Dakota,and in Colorado's Big Thompson Canyon,are the result of thunderstorms that

An ordinary thunderstorm is most intense during the ____ stage.

The signal detected by a Doppler radar is

The fact that thunder sometimes sounds like a loud crash or peal,and other times sounds like a dull rumble,has nothing to do with the intensity of the lightning strike that produced the thunder.Explain why.

The funnel cloud characteristic of a tornado is principally formed by

In what ways are multicell thunderstorms different from ordinary thunderstorms? What are some of the meteorological or atmospheric conditions that favor the development of multicell thunderstorms?

Distant lightning that is so far away you cannot hear the thunder is called

Supercell thunderstorms ____ become severe.

During the summer,what conditions prevail near the surface over the Great Plains that help a hailstone survive as ice all the way to the ground?

How does a supercell thunderstorm differ from a multicell thunderstorm?

The region of greatest tornado activity shifts northward from early spring to summer.Why does this occur?

Ordinary thunderstorms only last about one hour and begin to dissipate when

The electrification of a cumulonimbus cloud appears to involve

In an eastward moving thunderstorm,the most likely place for a tornado to develop is in the ____ part of the storm.

An important principle in the electrification of a cumulonimbus cloud is that

You are generally safe inside an automobile during a lighting storm because

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

The upper part of a thunderstorm cloud is normally charged,and the middle and lower parts are charged.