Question 1

Mesocyclones

Accepted Answer

A) are formed at the same time as the actual tornado. 
B) do not form in association with supercells. 
C) intensify when the area of rotation decreases. 
D) require the presence of vertical wind shears. 
A) are formed at the same time as the actual tornado. 
B) do not form in association with supercells. 
C) intensify when the area of rotation decreases. 
D) require the presence of vertical wind shears.

Question 2

Sheet lightning

Accepted Answer

A) does not require a separation of charge. 
B) is visible as sharp streaks of lightning arcing through the sky. 
C) occurs when the electrical resistance in the air overcomes the voltage gradient within a cloud or between clouds. 
D) accounts for the majority of all lightning events. 
A) does not require a separation of charge. 
B) is visible as sharp streaks of lightning arcing through the sky. 
C) occurs when the electrical resistance in the air overcomes the voltage gradient within a cloud or between clouds. 
D) accounts for the majority of all lightning events.

Question 3

Describe the four less-common types of lightning.

Accepted Answer

Ball lightning: Ball lightning appears a

Question 4

The Enhanced Fujita scale has ________ levels and ________ categories.

Accepted Answer

The answer of The Enhanced Fujita scale has ________ levels...

Question 5

The mature stage of air-mass thunderstorms

Accepted Answer

A) is marked by an absence of significant downdrafts. 
B) occurs before the anvil shape at the top of the cloud has formed. 
C) sees the end of additional water vapor entering the cloud. 
D) is marked by the heaviest precipitation. 
A) is marked by an absence of significant downdrafts. 
B) occurs before the anvil shape at the top of the cloud has formed. 
C) sees the end of additional water vapor entering the cloud. 
D) is marked by the heaviest precipitation.

Question 6

The fair-weather electric field

Accepted Answer

A) results in only a small voltage difference between the ionosphere and the surface. 
B) is maintained in large part through lightning. 
C) distributes much electricity to the ground because air is a good conductor. 
D) has its negative portion in the ionosphere. 
A) results in only a small voltage difference between the ionosphere and the surface. 
B) is maintained in large part through lightning. 
C) distributes much electricity to the ground because air is a good conductor. 
D) has its negative portion in the ionosphere.

Question 7

Which of the following stages of thunderstorm development is characterized by the dominance of downdrafts and entrainment of the storm?

Accepted Answer

A) cumulus 
B) mature 
C) dissipating 
D) none of these 
A) cumulus 
B) mature 
C) dissipating 
D) none of these

Question 8

For a cumulus cloud grows that taller over time but never develops a downdraft,

Accepted Answer

A) precipitation will not occur. 
B) precipitation will be in the form of rain. 
C) all lightning will be cloud-to-ground. 
D) the thunder will have a weak, rumbling sound. 
A) precipitation will not occur. 
B) precipitation will be in the form of rain. 
C) all lightning will be cloud-to-ground. 
D) the thunder will have a weak, rumbling sound.

Question 9

First describe the two main theories that describe charge separation.Then describe the formation and movement of a stepped-leader,return strokes,and dart leaders.

Accepted Answer

Charge separation: Laboratory experiment

Question 10

________ lightning is extremely dangerous since it can occur from a relatively cloud-free sky.

Accepted Answer

A) Sheet 
B) Heat 
C) Anvil 
D) Cloud-to-cloud 
A) Sheet 
B) Heat 
C) Anvil 
D) Cloud-to-cloud

Question 11

A typical cloud-to-ground lightning event consists of

Accepted Answer

A) a single electrical discharge. 
B) a massive release of latent heat. 
C) a combination of ionospheric discharge and wind shear. 
D) several distinct steps that look to the human eye like a single lightning strike. 
A) a single electrical discharge. 
B) a massive release of latent heat. 
C) a combination of ionospheric discharge and wind shear. 
D) several distinct steps that look to the human eye like a single lightning strike.

Question 12

Explain the difference between a tornado watch and a tornado warning.

Accepted Answer

A watch means there is the pot

Question 13

Since 1950,the number of tornadoes documented in the United States has ________.

Accepted Answer

The answer of Since 1950,the number of tornadoes documented in...

Question 14

Squall line thunderstorms

Accepted Answer

A) can have lengths of up to 100 kilometers. 
B) are most common in late winter. 
C) have downdrafts that create a gust front. 
D) usually consist of five or fewer cells. 
A) can have lengths of up to 100 kilometers. 
B) are most common in late winter. 
C) have downdrafts that create a gust front. 
D) usually consist of five or fewer cells.

Question 15

Tornadoes are least common in

Accepted Answer

A) North America. 
B) central Europe. 
C) Australia. 
D) North Africa. 
A) North America. 
B) central Europe. 
C) Australia. 
D) North Africa.

Question 16

Cloud-to-cloud lightning makes up what % of all lightning?

Accepted Answer

A) 20% 
B) 40% 
C) 60% 
D) 80% 
A) 20% 
B) 40% 
C) 60% 
D) 80%

Question 17

Lightning is

Accepted Answer

A) when warm and cold air collide. 
B) an indication of a high salt content in the air. 
C) an indication that the atmosphere is virtually dust free. 
D) a discharge of static electricity. 
A) when warm and cold air collide. 
B) an indication of a high salt content in the air. 
C) an indication that the atmosphere is virtually dust free. 
D) a discharge of static electricity.

Question 18

Describe in detail the formation of a supercell tornado.

Accepted Answer

In a supercell storm,the process begins

Question 19

The sound of thunder travels how many miles every 10 seconds?

Accepted Answer

A) 1/2-mile 
B) 1 mile 
C) 2 miles 
D) 10 miles 
A) 1/2-mile 
B) 1 mile 
C) 2 miles 
D) 10 miles

Question 20

The formation of a mesocyclone requires

Accepted Answer

A) vertical wind shear. 
B) the existence of a wall cloud. 
C) the presence of stratocumulus clouds. 
D) the presence of a funnel cloud. 
A) vertical wind shear. 
B) the existence of a wall cloud. 
C) the presence of stratocumulus clouds. 
D) the presence of a funnel cloud.

Mesocyclones

Sheet lightning

Describe the four less-common types of lightning.

The Enhanced Fujita scale has levels and categories.

The mature stage of air-mass thunderstorms

The fair-weather electric field

Which of the following stages of thunderstorm development is characterized by the dominance of downdrafts and entrainment of the storm?

For a cumulus cloud grows that taller over time but never develops a downdraft,

First describe the two main theories that describe charge separation.Then describe the formation and movement of a stepped-leader,return strokes,and dart leaders.

________ lightning is extremely dangerous since it can occur from a relatively cloud-free sky.

A typical cloud-to-ground lightning event consists of

Explain the difference between a tornado watch and a tornado warning.

Since 1950,the number of tornadoes documented in the United States has ________.

Squall line thunderstorms

Tornadoes are least common in

Cloud-to-cloud lightning makes up what % of all lightning?

Lightning is

Describe in detail the formation of a supercell tornado.

The sound of thunder travels how many miles every 10 seconds?

The formation of a mesocyclone requires

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters

Exam 11: Lightning, thunder, and Tornadoes

Mesocyclones

Sheet lightning

Describe the four less-common types of lightning.

The Enhanced Fujita scale has ________ levels and ________ categories.

The mature stage of air-mass thunderstorms

The fair-weather electric field

Which of the following stages of thunderstorm development is characterized by the dominance of downdrafts and entrainment of the storm?

For a cumulus cloud grows that taller over time but never develops a downdraft,

First describe the two main theories that describe charge separation.Then describe the formation and movement of a stepped-leader,return strokes,and dart leaders.

________ lightning is extremely dangerous since it can occur from a relatively cloud-free sky.

A typical cloud-to-ground lightning event consists of

Explain the difference between a tornado watch and a tornado warning.

Since 1950,the number of tornadoes documented in the United States has ________.

Squall line thunderstorms

Tornadoes are least common in

Cloud-to-cloud lightning makes up what % of all lightning?

Lightning is

Describe in detail the formation of a supercell tornado.

The sound of thunder travels how many miles every 10 seconds?

The formation of a mesocyclone requires

Energy and Mass

Solar Radiation and the Seasons

Energy Balance and Temperature

Atmospheric Pressure and Wind

Atmospheric Moisture

Cloud Development and Forms

Precipitation Processes

Atmospheric Circulation and Pressure Distributions

Air Masses and Fronts

Midlatitude Cyclones

Tropical Storms and Hurricanes

Weather Forecasting and Analysis

Human Effects on the Atmosphere

Earths Climates

Climate Changes: Past and Future

Atmospheric Optics Online Only in Masteringmeteorology

Filters

The Enhanced Fujita scale has levels and categories.