Question 1

What is a microburst? Why do microbursts represent a hazard to aviation?​

Accepted Answer

Beneath an intense thunderstorm, the dow

Question 2

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 3

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 4

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 5

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

Accepted Answer

straight-l

Question 6

The lightning stroke can heat the air through which it travels to an incredible 30,000 degrees Celsius (54,000 degrees Fahrenheit), which is ____ times hotter than the surface of the Sun.​

Accepted Answer

A)  ​2 
B)  ​3 
C)  ​4 
D)  ​5 
E)  ​6 
A)  ​2 
B)  ​3 
C)  ​4 
D)  ​5 
E)  ​6

Question 7

Describe one process by which thunderstorms become electrified.​

Accepted Answer

​One theory proposes that clouds become

Question 8

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 9

A sound occasionally mistaken for thunder is the ____________________.​

Accepted Answer

The answer of A sound occasionally mistaken for thunder is...

Question 10

When warmer hailstones come in contact with colder ice crystal, an important phenomenon occurs: There is a net transfer of ____________________ ions (charged molecules) from the warmer object to the colder object.​

Accepted Answer

The answer of When warmer hailstones come in contact with...

Question 11

One theory of cloud electrification states that during the formation of precipitation, regions of separate charge exist within tiny cloud droplets and larger precipitation particles. In the lower part of these particles we find negative charge, while in the upper part we find positive charge.​

Accepted Answer

A) True 
 B)False

Question 12

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 13

What atmospheric conditions are necessary for a multicell thunderstorm to form?​

Accepted Answer

The cold downdraft of mature and dissipa

Question 14

Clouds, which appear to slowly spin about a horizontal axis, are called ____ clouds.​

Accepted Answer

A)  ​shelf 
B)  ​anvil 
C)  ​comma 
D)  ​arcus 
E)  ​roll 
A)  ​shelf 
B)  ​anvil 
C)  ​comma 
D)  ​arcus 
E)  ​roll

Question 15

Supercell thunderstorms are different from ordinary thunderstorms in that supercell 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.

Question 16

When thunderstorms are passing over the same area, they are​

Accepted Answer

A)  ​recurring. 
B)  ​practicing. 
C)  ​revising. 
D)  ​training. 
E)  ​repeating. 
A)  ​recurring. 
B)  ​practicing. 
C)  ​revising. 
D)  ​training. 
E)  ​repeating.

Question 17

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

Accepted Answer

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

Question 18

Sinking air warms, yet the downdrafts in a thunderstorm are usually cold.
​

Accepted Answer

A) True 
 B)False

Question 19

An important principle in one of the theories of the electrification of clouds is that

Accepted Answer

A)  ​there is a net transfer of negative ions from a warmer object to a colder object. 
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. 
E)  ​raindrops are always positively charged. 
A)  ​there is a net transfer of negative ions from a warmer object to a colder object. 
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. 
E)  ​raindrops are always positively charged.

Question 20

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

What is a microburst? Why do microbursts represent a hazard to aviation?

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

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

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

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

The lightning stroke can heat the air through which it travels to an incredible 30,000 degrees Celsius (54,000 degrees Fahrenheit), which is ____ times hotter than the surface of the Sun.

Describe one process by which thunderstorms become electrified.

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

A sound occasionally mistaken for thunder is the ____________________.

When warmer hailstones come in contact with colder ice crystal, an important phenomenon occurs: There is a net transfer of ____________________ ions (charged molecules) from the warmer object to the colder object.

One theory of cloud electrification states that during the formation of precipitation, regions of separate charge exist within tiny cloud droplets and larger precipitation particles. In the lower part of these particles we find negative charge, while in the upper part we find positive charge.

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

What atmospheric conditions are necessary for a multicell thunderstorm to form?

Clouds, which appear to slowly spin about a horizontal axis, are called ____ clouds.

Supercell thunderstorms are different from ordinary thunderstorms in that supercell thunderstorms

When thunderstorms are passing over the same area, they are

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

Sinking air warms, yet the downdrafts in a thunderstorm are usually cold.

An important principle in one of the theories of the electrification of clouds is that

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

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

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

Exam 14: Thunderstorms

What is a microburst? Why do microbursts represent a hazard to aviation?​

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

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

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

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

The lightning stroke can heat the air through which it travels to an incredible 30,000 degrees Celsius (54,000 degrees Fahrenheit), which is ____ times hotter than the surface of the Sun.​

Describe one process by which thunderstorms become electrified.​

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

A sound occasionally mistaken for thunder is the ____________________.​

When warmer hailstones come in contact with colder ice crystal, an important phenomenon occurs: There is a net transfer of ____________________ ions (charged molecules) from the warmer object to the colder object.​

One theory of cloud electrification states that during the formation of precipitation, regions of separate charge exist within tiny cloud droplets and larger precipitation particles. In the lower part of these particles we find negative charge, while in the upper part we find positive charge.​

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

What atmospheric conditions are necessary for a multicell thunderstorm to form?​

Clouds, which appear to slowly spin about a horizontal axis, are called ____ clouds.​

Supercell thunderstorms are different from ordinary thunderstorms in that supercell thunderstorms​

When thunderstorms are passing over the same area, they are​

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

Sinking air warms, yet the downdrafts in a thunderstorm are usually cold. ​

An important principle in one of the theories of the electrification of clouds is that

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

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

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

What is a microburst? Why do microbursts represent a hazard to aviation?

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

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

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

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

The lightning stroke can heat the air through which it travels to an incredible 30,000 degrees Celsius (54,000 degrees Fahrenheit), which is ____ times hotter than the surface of the Sun.

Describe one process by which thunderstorms become electrified.

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

A sound occasionally mistaken for thunder is the ____________________.

When warmer hailstones come in contact with colder ice crystal, an important phenomenon occurs: There is a net transfer of ____________________ ions (charged molecules) from the warmer object to the colder object.

One theory of cloud electrification states that during the formation of precipitation, regions of separate charge exist within tiny cloud droplets and larger precipitation particles. In the lower part of these particles we find negative charge, while in the upper part we find positive charge.

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

What atmospheric conditions are necessary for a multicell thunderstorm to form?

Clouds, which appear to slowly spin about a horizontal axis, are called ____ clouds.

Supercell thunderstorms are different from ordinary thunderstorms in that supercell thunderstorms

When thunderstorms are passing over the same area, they are

Sinking air warms, yet the downdrafts in a thunderstorm are usually cold.

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