Question 1

The greatest frequency of hailstorms in the United States is

Accepted Answer

A)   ​over the western Great Plains.
B)   ​along the Gulf Coast.
C)   ​along the east coast
D)   ​in the Rocky Mountain region.
E)   ​along the west coast.F) D) and E)
G) B) and C)

Question 2

The majority of lightning strikes occur within the cloud, while only about ____ percent or so occur between cloud and ground.​

Accepted Answer

A)   ​5
B)   ​10
C)   ​15
D)   ​20
E)   ​25F) A) and D)
G) None of the above

Question 3

Thunder will not occur​

Accepted Answer

A)   ​without lightning.
B)   ​in wintertime thunderstorms.
C)   ​in thunderstorms over the ocean.
D)   ​when a thunderstorm is producing precipitation.
E)   ​in thunderstorms without precipitation.F) All of the above
G) A) and B)

Question 4

Supercell thunderstorms differ from ordinary cell (air mass)  thunderstorms because​

Accepted Answer

A)   ​the updraft in a supercell thunderstorm is shorter-lasting and is stationary..
B)   ​ordinary thunderstorms do not produce hail.
C)   ​supercell thunderstorms produce precipitation.
D)   ​the supercell thunderstorm is greater in size.
E)   ​the updraft in a supercell thunderstorm is longer-lasting and rotates.F) B) and D)
G) A) and E)

Question 5

The initial stage of an ordinary thunderstorm is the​

Accepted Answer

A)   ​mature stage.
B)   ​dissipating stage.
C)   ​cumulus stage.
D)   ​multicell stage.
E)   ​primary stage.F) A) and B)
G) None of the above

Question 6

Each year, U.S. fire departments respond to more than ____ fires started by lightning in the United States.​

Accepted Answer

A)   ​2,000
B)   ​50,000..
C)   ​10,000.
D)   ​20,000,
E)   ​50,000F) B) and C)
G) A) and B)

Question 7

Is this statement true or false: "Lightning never strikes twice in the same place"?​

Accepted Answer

A) True 
 B)False

Question 8

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 cold front.
D)   ​in the warm sector where warm, dry air meets warm, humid air.
E)   ​ahead of an advancing cold front.F) B) and C)
G) A) and B)

Question 9

In some thunderstorms, lightning is seen but thunder does not get produced by the lightning.​

Accepted Answer

A) True 
 B)False

Question 10

It is estimated that more than ____ thunderstorms occur each day throughout the world.​

Accepted Answer

A)   ​10,000
B)   ​20,000
C)   ​30,000
D)   ​40,000
E)   ​50,000F) A) and B)
G) D) and E)

Question 11

In the United States, drylines are most frequently observed in the western half of Texas, Oklahoma, and Kansas. In this region, drylines occur most frequently during spring and early summer, where they are observed about ____ percent of the time.

Accepted Answer

A)   ​10
B)   ​20
C)   ​30
D)   ​40
E)   ​50F) A) and D)
G) A) and E)

Question 12

Sonic booms are produced when an aircraft exceeds the speed of light at the altitude at which it is flying. The aircraft compresses the air, forming a shock wave that trails out as a cone behind the aircraft. Along the shock wave, the air pressure changes rapidly over a short distance. The rapid pressure change causes the distinct boom.​

Accepted Answer

A) True 
 B)False

Question 13

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.F) None of the above
G) B) and E)

Question 14

Cloud-to-ground lightning begins within the cloud when the localized electric potential gradient exceeds ____ volts per meter along a path perhaps 50 m long.

Accepted Answer

A)   ​300
B)   ​3,000
C)   ​30,000
D)   ​300,000
E)   ​3 millionF) A) and C)
G) C) and D)

Question 15

A thunderstorm is a storm containing ____________________ and ____________________.​

Accepted Answer

​lightning...

Question 16

Positive lightning has the potential to cause more damage because it generates a much higher current level and its flash lasts for a longer duration than negative lightning.​

Accepted Answer

A) True 
 B)False

Question 17

Squall line thunderstorms generally form​

Accepted Answer

A)   ​along or ahead of a cold front.
B)   ​with a strong wave cyclone.
C)   ​behind a cold front.
D)   ​ahead of a warm front.
E)   ​along an occluded front.F) C) and D)
G) B) and D)

Question 18

Squall-line thunderstorms often form ahead of advancing cold fronts but seldom behind them.​

Accepted Answer

A) True 
 B)False

Question 19

If you see a lightning stroke and then, 15 seconds later, hear the thunder, the lightning is about ____ miles away.​

Accepted Answer

A)   ​45
B)   ​15
C)   ​5
D)   ​3
E)   ​1.5F) A) and D)
G) B) and E)

Question 20

An ordinary thunderstorm is most intense during the ____ stage.

Accepted Answer

A)   ​mature
B)   ​multicell
C)   ​cumulus
D)   ​dissipating
E)   ​growthF) B) and D)
G) B) and E)

Exam 14: Thunderstorms

Thunder will not occur

Correct Answer
verified

Positive lightning has the potential to cause more damage because it generates a much higher current level and its flash lasts for a longer duration than negative lightning.

Correct Answer
verified

Cloud-to-ground lightning begins within the cloud when the localized electric potential gradient exceeds ____ volts per meter along a path perhaps 50 m long.

Correct Answer
verified

In some thunderstorms, lightning is seen but thunder does not get produced by the lightning.

Correct Answer
verified

The most likely time for an ordinary thunderstorm to form is

Correct Answer
verified

A thunderstorm is a storm containing and .

Correct Answer
verified
lightning...
View Answer

Squall-line thunderstorms often form ahead of advancing cold fronts but seldom behind them.

Correct Answer
verified

Supercell thunderstorms differ from ordinary cell (air mass) thunderstorms because

Correct Answer
verified

Correct Answer
verified

It is estimated that more than ____ thunderstorms occur each day throughout the world.

Correct Answer
verified

Squall lines generally do not form

Correct Answer
verified

Is this statement true or false: "Lightning never strikes twice in the same place"?

Correct Answer
verified

Squall line thunderstorms generally form

Correct Answer
verified

The initial stage of an ordinary thunderstorm is the

Correct Answer
verified

An ordinary thunderstorm is most intense during the ____ stage.

Correct Answer
verified

The majority of lightning strikes occur within the cloud, while only about ____ percent or so occur between cloud and ground.

Correct Answer
verified

Each year, U.S. fire departments respond to more than ____ fires started by lightning in the United States.

Correct Answer
verified

The greatest frequency of hailstorms in the United States is

Correct Answer
verified

In the United States, drylines are most frequently observed in the western half of Texas, Oklahoma, and Kansas. In this region, drylines occur most frequently during spring and early summer, where they are observed about ____ percent of the time.

Correct Answer
verified

If you see a lightning stroke and then, 15 seconds later, hear the thunder, the lightning is about ____ miles away.

Correct Answer
verified

Exam 14: Thunderstorms

Thunder will not occur​

Correct AnswerverifiedShow Answer

Positive lightning has the potential to cause more damage because it generates a much higher current level and its flash lasts for a longer duration than negative lightning.​

Correct AnswerverifiedShow Answer

Cloud-to-ground lightning begins within the cloud when the localized electric potential gradient exceeds ____ volts per meter along a path perhaps 50 m long.

Correct AnswerverifiedShow Answer

In some thunderstorms, lightning is seen but thunder does not get produced by the lightning.​

Correct AnswerverifiedShow Answer

The most likely time for an ordinary thunderstorm to form is​

Correct AnswerverifiedShow Answer

A thunderstorm is a storm containing ____________________ and ____________________.​

Correct Answerverified​lightning...View AnswerShow Answer

Squall-line thunderstorms often form ahead of advancing cold fronts but seldom behind them.​

Correct AnswerverifiedShow Answer

Supercell thunderstorms differ from ordinary cell (air mass) thunderstorms because​

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

It is estimated that more than ____ thunderstorms occur each day throughout the world.​

Correct AnswerverifiedShow Answer

Squall lines generally do not form​

Correct AnswerverifiedShow Answer

Is this statement true or false: "Lightning never strikes twice in the same place"?​

Correct AnswerverifiedShow Answer

Squall line thunderstorms generally form​

Correct AnswerverifiedShow Answer

The initial stage of an ordinary thunderstorm is the​

Correct AnswerverifiedShow Answer

An ordinary thunderstorm is most intense during the ____ stage.

Correct AnswerverifiedShow Answer

The majority of lightning strikes occur within the cloud, while only about ____ percent or so occur between cloud and ground.​

Correct AnswerverifiedShow Answer

Each year, U.S. fire departments respond to more than ____ fires started by lightning in the United States.​

Correct AnswerverifiedShow Answer

The greatest frequency of hailstorms in the United States is

Correct AnswerverifiedShow Answer

In the United States, drylines are most frequently observed in the western half of Texas, Oklahoma, and Kansas. In this region, drylines occur most frequently during spring and early summer, where they are observed about ____ percent of the time.

Correct AnswerverifiedShow Answer

If you see a lightning stroke and then, 15 seconds later, hear the thunder, the lightning is about ____ miles away.​

Correct AnswerverifiedShow Answer

Thunder will not occur

Correct Answer
verified

Positive lightning has the potential to cause more damage because it generates a much higher current level and its flash lasts for a longer duration than negative lightning.

Correct Answer
verified

Correct Answer
verified

In some thunderstorms, lightning is seen but thunder does not get produced by the lightning.

Correct Answer
verified

The most likely time for an ordinary thunderstorm to form is

Correct Answer
verified

A thunderstorm is a storm containing and .

Correct Answer
verified
lightning...
View Answer

Squall-line thunderstorms often form ahead of advancing cold fronts but seldom behind them.

Correct Answer
verified

Supercell thunderstorms differ from ordinary cell (air mass) thunderstorms because

Correct Answer
verified

Correct Answer
verified

It is estimated that more than ____ thunderstorms occur each day throughout the world.

Correct Answer
verified

Squall lines generally do not form

Correct Answer
verified

Is this statement true or false: "Lightning never strikes twice in the same place"?

Correct Answer
verified

Squall line thunderstorms generally form

Correct Answer
verified

The initial stage of an ordinary thunderstorm is the

Correct Answer
verified

Correct Answer
verified

The majority of lightning strikes occur within the cloud, while only about ____ percent or so occur between cloud and ground.

Correct Answer
verified

Each year, U.S. fire departments respond to more than ____ fires started by lightning in the United States.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

If you see a lightning stroke and then, 15 seconds later, hear the thunder, the lightning is about ____ miles away.

Correct Answer
verified