Question 1

A lightning flash consisting of many strokes usually lasts less than ____ second(s).

Accepted Answer

A) one 
B) three 
C) five 
D) seven 
E) nine 
A) one 
B) three 
C) five 
D) seven 
E) nine

Question 2

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

Accepted Answer

Answers may vary. One possible answer is

Question 3

Describe a potential method that could be used to reduce cloud-to-ground lightning discharges.

Accepted Answer

One technique that has shown some succes

Question 4

Because unlike charges attract one another, the negative charge at the bottom of the cloud causes a region of the ground beneath it to become ____________________ charged.

Accepted Answer

The answer of Because unlike charges attract one another, the...

Question 5

How can you determine how far away a lightning stroke is?

Accepted Answer

Light travels so fast that you see light

Question 6

To be rated a severe thunderstorm by the National Weather Service, the storm has to have at least one of the following: large hail with a diameter of at least three-quarters of an inch, surface wind gusts of 40 knots or greater, or produces a tornado.

Accepted Answer

A) True 
 B)False

Question 7

One theory for the electrification of clouds involves supercooled cloud droplets.

Accepted Answer

A) True 
 B)False

Question 8

About ____ percent of all cloud-to-ground lightning is negative.

Accepted Answer

A) 90 
B) 70 
C) 50 
D) 30 
E) 10 
A) 90 
B) 70 
C) 50 
D) 30 
E) 10

Question 9

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

Accepted Answer

Ordinary thunderstorms tend to form in a

Question 10

In the United States, drylines can be associated with thunderstorms where and when?

Accepted Answer

A) In the Southeast during the winter 
B) In the desert Southwest during summer and fall 
C) In the upper Great Plains states during the summer 
D) In Texas, Oklahoma, and Kansas during the spring and summer 
E) Along the Pacific coast during the winter and spring 
A) In the Southeast during the winter 
B) In the desert Southwest during summer and fall 
C) In the upper Great Plains states during the summer 
D) In Texas, Oklahoma, and Kansas during the spring and summer 
E) Along the Pacific coast during the winter and spring

Question 11

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

Thunderstorms that contain a number of c

Question 12

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) 1.5 
A) 45 
B) 15 
C) 5 
D) 3 
E) 1.5

Question 13

One of the most common times to experience a thunderstorm in parts of Iowa and Missouri is between ____ and ____.

Accepted Answer

A) early morning; noon 
B) noon; late afternoon 
C) midnight; dawn 
D) late afternoon; evening 
E) evening; midnight 
A) early morning; noon 
B) noon; late afternoon 
C) midnight; dawn 
D) late afternoon; evening 
E) evening; midnight

Question 14

The high winds behind a strong gust front are called ____________________ winds to distinguish them from the rotating winds of a tornado.

Accepted Answer

The answer of The high winds behind a strong gust...

Question 15

Which of the following is the least likely during the passage of a gust front?

Accepted Answer

A) Gusty winds 
B) Rising surface pressures 
C) Increase in temperatures 
D) Enhanced updraft 
E) Winds rapidly changing direction and speed 
A) Gusty winds 
B) Rising surface pressures 
C) Increase in temperatures 
D) Enhanced updraft 
E) Winds rapidly changing direction and speed

Question 16

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 17

In what region in the United States do dryline thunderstorms most frequently form?

Accepted Answer

A) Washington, Oregon 
B) Colorado, Utah, New Mexico 
C) Pennsylvania, Maryland, Delaware 
D) Texas, Kansas, Oklahoma 
E) Tennessee, Louisiana 
A) Washington, Oregon 
B) Colorado, Utah, New Mexico 
C) Pennsylvania, Maryland, Delaware 
D) Texas, Kansas, Oklahoma 
E) Tennessee, Louisiana

Question 18

Thunder is caused by ____.

Accepted Answer

A) the collision between two thunderstorms with opposite electrical charge 
B) the rapid heating of air surrounding a lightning channel 
C) the explosion that occurs when positive and negative charge collide and neutralize each other 
D) turbulent wind motions inside the thunderstorm 
E) microbursts within the atmosphere 
A) the collision between two thunderstorms with opposite electrical charge 
B) the rapid heating of air surrounding a lightning channel 
C) the explosion that occurs when positive and negative charge collide and neutralize each other 
D) turbulent wind motions inside the thunderstorm 
E) microbursts within the atmosphere

Question 19

When the base of the cloud is positively charged and the ground negatively charged, a(n)____________________ cloud-to-ground lightning flash may result.

Accepted Answer

The answer of When the base of the cloud is...

Question 20

Lightning that forms when either the lightning flash occurs inside a cloud or intervening clouds obscure the flash is known as ____.

Accepted Answer

A) St. Elmo's Fire 
B) Ball lightning 
C) Dry lightning 
D) Sheet lightning 
E) Heat lightning 
A) St. Elmo's Fire 
B) Ball lightning 
C) Dry lightning 
D) Sheet lightning 
E) Heat lightning

A lightning flash consisting of many strokes usually lasts less than ____ second(s).

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

Describe a potential method that could be used to reduce cloud-to-ground lightning discharges.

Because unlike charges attract one another, the negative charge at the bottom of the cloud causes a region of the ground beneath it to become ____________________ charged.

How can you determine how far away a lightning stroke is?

To be rated a severe thunderstorm by the National Weather Service, the storm has to have at least one of the following: large hail with a diameter of at least three-quarters of an inch, surface wind gusts of 40 knots or greater, or produces a tornado.

One theory for the electrification of clouds involves supercooled cloud droplets.

About ____ percent of all cloud-to-ground lightning is negative.

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

In the United States, drylines can be associated with thunderstorms where and when?

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?

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

One of the most common times to experience a thunderstorm in parts of Iowa and Missouri is between and .

The high winds behind a strong gust front are called ____________________ winds to distinguish them from the rotating winds of a tornado.

Which of the following is the least likely during the passage of a gust front?

The downdraft in an ordinary thunderstorm is created mainly by ____.

In what region in the United States do dryline thunderstorms most frequently form?

Thunder is caused by ____.

When the base of the cloud is positively charged and the ground negatively charged, a(n)____________________ cloud-to-ground lightning flash may result.

Lightning that forms when either the lightning flash occurs inside a cloud or intervening clouds obscure the flash is known as ____.

Earth and Its Atmosphere

Energy: Warming 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

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light, Color and Atmospheric Optics

Filters

Exam 14: Thunderstorms

A lightning flash consisting of many strokes usually lasts less than ____ second(s).

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

Describe a potential method that could be used to reduce cloud-to-ground lightning discharges.

Because unlike charges attract one another, the negative charge at the bottom of the cloud causes a region of the ground beneath it to become ____________________ charged.

How can you determine how far away a lightning stroke is?

To be rated a severe thunderstorm by the National Weather Service, the storm has to have at least one of the following: large hail with a diameter of at least three-quarters of an inch, surface wind gusts of 40 knots or greater, or produces a tornado.

One theory for the electrification of clouds involves supercooled cloud droplets.

About ____ percent of all cloud-to-ground lightning is negative.

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

In the United States, drylines can be associated with thunderstorms where and when?

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?

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

One of the most common times to experience a thunderstorm in parts of Iowa and Missouri is between ____ and ____.

The high winds behind a strong gust front are called ____________________ winds to distinguish them from the rotating winds of a tornado.

Which of the following is the least likely during the passage of a gust front?

The downdraft in an ordinary thunderstorm is created mainly by ____.

In what region in the United States do dryline thunderstorms most frequently form?

Thunder is caused by ____.

When the base of the cloud is positively charged and the ground negatively charged, a(n)____________________ cloud-to-ground lightning flash may result.

Lightning that forms when either the lightning flash occurs inside a cloud or intervening clouds obscure the flash is known as ____.

Earth and Its Atmosphere

Energy: Warming 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

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light, Color and Atmospheric Optics

Filters

One of the most common times to experience a thunderstorm in parts of Iowa and Missouri is between and .