Question 1

Mesoscale convective complexes are self-sustaining because

Accepted Answer

A) wind shear is typically absent. 
B) downdrafts from individual cells become warmer as the precipitation evaporates. 
C) downdrafts from individual cells rise over the outflow boundary. 
D) downdrafts from individual cells combine with surface winds to create updrafts and wind shear. 
A) wind shear is typically absent. 
B) downdrafts from individual cells become warmer as the precipitation evaporates. 
C) downdrafts from individual cells rise over the outflow boundary. 
D) downdrafts from individual cells combine with surface winds to create updrafts and wind shear.

Question 2

The induction explanation for lightning

Accepted Answer

A) is criticized by some scientists for not allowing enough time for the transfer of charge from ice crystals to hailstones. 
B) assumes that the upper atmosphere has a positive charge. 
C) assumes the transfer of electrons from ice pellets to ice crystals. 
D) is criticized by some scientists for not taking into account that the electrical field is too strong. 
A) is criticized by some scientists for not allowing enough time for the transfer of charge from ice crystals to hailstones. 
B) assumes that the upper atmosphere has a positive charge. 
C) assumes the transfer of electrons from ice pellets to ice crystals. 
D) is criticized by some scientists for not taking into account that the electrical field is too strong.

Question 3

What % of the moisture that condenses within an air mass thunderstorm actually falls as precipitation?

Accepted Answer

A) 5% 
B) 10% 
C) 20% 
D) 33% 
A) 5% 
B) 10% 
C) 20% 
D) 33%

Question 4

Give two lightning safety rules.

Accepted Answer

Any two of the following:
(i) Take cover

Question 5

The death toll from lightning in the United States has ________ since the 1920s.

Accepted Answer

The answer of The death toll from lightning in the...

Question 6

In order to form a mesocyclone,the horizontal "tube" of air must

Accepted Answer

A) become elongated. 
B) become shortened. 
C) be tilted upward. 
D) be lifted upward and remain parallel to the ground. 
A) become elongated. 
B) become shortened. 
C) be tilted upward. 
D) be lifted upward and remain parallel to the ground.

Question 7

What state has the highest tornado density?

Accepted Answer

A) Oklahoma 
B) Texas 
C) Kansas 
D) Missouri 
A) Oklahoma 
B) Texas 
C) Kansas 
D) Missouri

Question 8

This image,showing storm radial velocity (the air motions taking place within a cloud)is especially useful in studying supercell storms: ________.

Accepted Answer

The answer of This image,showing storm radial velocity (the air...

Question 9

Most lightning discharges

Accepted Answer

A) originate in a cloud and travel toward the ground. 
B) originate at the ground and travel toward a cloud. 
C) occur within clouds. 
D) originate within the ionosphere and travel to the ground. 
A) originate in a cloud and travel toward the ground. 
B) originate at the ground and travel toward a cloud. 
C) occur within clouds. 
D) originate within the ionosphere and travel to the ground.

Question 10

Describe the physical properties and other important characteristics of a supercell storm.

Accepted Answer

With diameters that range from about 20

Question 11

The worst place to be during a tornado is

Accepted Answer

A) in a trailer home. 
B) in a bomb shelter. 
C) in a brick house. 
D) in the basement of a school. 
A) in a trailer home. 
B) in a bomb shelter. 
C) in a brick house. 
D) in the basement of a school.

Question 12

A Mesoscale Convective Complex (MCC)is

Accepted Answer

A) a small group of air mass thunderstorms. 
B) usually a line of severe weather. 
C) totally disorganized and random in nature. 
D) a group of self-propagating thunderstorm cells that can last for hours. 
A) a small group of air mass thunderstorms. 
B) usually a line of severe weather. 
C) totally disorganized and random in nature. 
D) a group of self-propagating thunderstorm cells that can last for hours.

Question 13

What is the main difference between a tornado and a funnel cloud?

Accepted Answer

The tornado is in co

Question 14

Air mass thunderstorms

Accepted Answer

A) extinguish themselves through the formation of extensive downdrafts. 
B) often last for several hours. 
C) are associated with severe weather. 
D) usually form at the borders of air masses. 
A) extinguish themselves through the formation of extensive downdrafts. 
B) often last for several hours. 
C) are associated with severe weather. 
D) usually form at the borders of air masses.

Question 15

What is the Enhanced Fujita scale? Into what category do most tornadoes fall?

Accepted Answer

The enhanced Fujita scale is a widely us

Question 16

Which of these can be characteristics of severe thunderstorms?

Accepted Answer

A) wind speeds in excess of 58 mph 
B) hailstones one inch or larger in diameter 
C) tornadoes 
D) all of these 
A) wind speeds in excess of 58 mph 
B) hailstones one inch or larger in diameter 
C) tornadoes 
D) all of these

Mesoscale convective complexes are self-sustaining because

The induction explanation for lightning

What % of the moisture that condenses within an air mass thunderstorm actually falls as precipitation?

Give two lightning safety rules.

The death toll from lightning in the United States has ________ since the 1920s.

In order to form a mesocyclone,the horizontal "tube" of air must

What state has the highest tornado density?

This image,showing storm radial velocity (the air motions taking place within a cloud)is especially useful in studying supercell storms: ________.

Most lightning discharges

Describe the physical properties and other important characteristics of a supercell storm.

The worst place to be during a tornado is

A Mesoscale Convective Complex (MCC)is

What is the main difference between a tornado and a funnel cloud?

Air mass thunderstorms

What is the Enhanced Fujita scale? Into what category do most tornadoes fall?

Which of these can be characteristics of severe thunderstorms?

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

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Exam 11: Lightning, thunder, and Tornadoes

Mesoscale convective complexes are self-sustaining because

The induction explanation for lightning

What % of the moisture that condenses within an air mass thunderstorm actually falls as precipitation?

Give two lightning safety rules.

The death toll from lightning in the United States has ________ since the 1920s.

In order to form a mesocyclone,the horizontal "tube" of air must

What state has the highest tornado density?

This image,showing storm radial velocity (the air motions taking place within a cloud)is especially useful in studying supercell storms: ________.

Most lightning discharges

Describe the physical properties and other important characteristics of a supercell storm.

The worst place to be during a tornado is

A Mesoscale Convective Complex (MCC)is

What is the main difference between a tornado and a funnel cloud?

Air mass thunderstorms

What is the Enhanced Fujita scale? Into what category do most tornadoes fall?

Which of these can be characteristics of severe thunderstorms?

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