Question 1

Thunderstorms may form along or just east of a boundary called a(n) ____________________, which represents a narrow zone where there is a sharp horizontal change in moisture.

Accepted Answer

dryline
dry line

Question 2

Lightning may occur from one cloud to another.​

Accepted Answer

A) True 
 B)False  True

Question 3

When a dart leader moving toward the ground deviates from the original path taken by the stepped leader, the lightning appears crooked. Lightning that takes on this shape is called ____ lightning.​

Accepted Answer

A)  ​ribbon 
B)  ​forked 
C)  ​crooked 
D)  ​bead 
E)  ​ball​ 
A)  ​ribbon 
B)  ​forked 
C)  ​crooked 
D)  ​bead 
E)  ​ball​ B

Question 4

Scattered thunderstorms (sometimes called "pop-up" or "popcorn" storms) that typically form on warm, humid days are often referred to as ____________________ thunderstorms or ____________________ thunderstorms.​

Accepted Answer

​ordinary cell; air-

Question 5

____ lightning looks like a luminous sphere, often about the size of a football, that appears to float in the air or slowly dart about for several seconds​

Accepted Answer

A)  ​Ball 
B)  ​Bead 
C)  ​Ribbon 
D)  ​Forked 
E)  ​St. Elmo's 
A)  ​Ball 
B)  ​Bead 
C)  ​Ribbon 
D)  ​Forked 
E)  ​St. Elmo's

Question 6

During the summer, what conditions prevail near the surface over the Great Plains that help a hailstone survive as ice all the way to the ground?​

Accepted Answer

A)  ​strong updrafts 
B)  ​weak updraftsdry air 
C)  ​dry air 
D)  ​a rapid change in pressure 
E)  ​a rapid change in temperature 
A)  ​strong updrafts 
B)  ​weak updraftsdry air 
C)  ​dry air 
D)  ​a rapid change in pressure 
E)  ​a rapid change in temperature

Question 7

Describe the relationship between flooding and thunderstorms.​

Accepted Answer

Intense thunderstorms can be associated

Question 8

The wind shear associated with several major airline crashes is believed to have been caused by​

Accepted Answer

A)  ​microbursts. 
B)  ​dry lines. 
C)  ​the jet stream. 
D)  ​mesocyclones. 
E)  ​the jet streak. 
A)  ​microbursts. 
B)  ​dry lines. 
C)  ​the jet stream. 
D)  ​mesocyclones. 
E)  ​the jet streak.

Question 9

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 10

When a thunderstorm is located on the high plains east of the Rocky Mountains, a much larger portion of the storm will typically be located above the freezing level, so hail has a better chance of occurring.

Accepted Answer

A) True 
 B)False

Question 11

Shelf clouds are also called ____ clouds.​

Accepted Answer

A)  ​arcus 
B)  ​cucmulus 
C)  ​comma 
D)  ​omega 
E)  ​stratus 
A)  ​arcus 
B)  ​cucmulus 
C)  ​comma 
D)  ​omega 
E)  ​stratus

Question 12

When damage associated with straight-line winds extends for several hundred kilometers along the path of a squall line, the storm is called a(n) ____________________.

Accepted Answer

The answer of When damage associated with straight-line winds extends...

Question 13

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 + and - 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 + and - charge collide and neutralize each other. 
D)  ​turbulent wind motions inside the thunderstorm. 
E)  ​microbursts within the atmosphere.

Question 14

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 15

Left-moving supercell thunderstorms are uncommon in the Northern Hemisphere, yet are very common in the Southern Hemisphere.​

Accepted Answer

A) True 
 B)False

Question 16

Positive lightning is the most common with ____ thunderstorms.​

Accepted Answer

A)  ​ordinary cell 
B)  ​squall-line 
C)  ​multicell 
D)  ​supercell 
E)  ​mesoscale convective complex 
A)  ​ordinary cell 
B)  ​squall-line 
C)  ​multicell 
D)  ​supercell 
E)  ​mesoscale convective complex

Question 17

Sound travels ____________________ in warm air than in cold air.​

Accepted Answer

The answer of Sound travels ____________________ in warm air than...

Question 18

Downdrafts tend to dominate during the ____ stage.​

Accepted Answer

A)  ​cumulus 
B)  ​dissipating 
C)  ​precipitating 
D)  ​developing 
E)  ​growth 
A)  ​cumulus 
B)  ​dissipating 
C)  ​precipitating 
D)  ​developing 
E)  ​growth

Question 19

The upper part of a thunderstorm cloud is normally ____ charged, and the middle and lower parts are ____.​

Accepted Answer

A)  ​negatively; neutral 
B)  ​negatively; positive 
C)  ​positively; positive 
D)  ​positively; negative 
E)  ​positively; neutral 
A)  ​negatively; neutral 
B)  ​negatively; positive 
C)  ​positively; positive 
D)  ​positively; negative 
E)  ​positively; neutral

Question 20

Lightning can shoot from the top of thunderstorms into the upper atmosphere.​

Accepted Answer

A) True 
 B)False

Thunderstorms may form along or just east of a boundary called a(n) ____________________, which represents a narrow zone where there is a sharp horizontal change in moisture.

Lightning may occur from one cloud to another.

When a dart leader moving toward the ground deviates from the original path taken by the stepped leader, the lightning appears crooked. Lightning that takes on this shape is called ____ lightning.

Scattered thunderstorms (sometimes called "pop-up" or "popcorn" storms) that typically form on warm, humid days are often referred to as thunderstorms or thunderstorms.

____ lightning looks like a luminous sphere, often about the size of a football, that appears to float in the air or slowly dart about for several seconds

During the summer, what conditions prevail near the surface over the Great Plains that help a hailstone survive as ice all the way to the ground?

Describe the relationship between flooding and thunderstorms.

The wind shear associated with several major airline crashes is believed to have been caused by

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.

When a thunderstorm is located on the high plains east of the Rocky Mountains, a much larger portion of the storm will typically be located above the freezing level, so hail has a better chance of occurring.

Shelf clouds are also called ____ clouds.

When damage associated with straight-line winds extends for several hundred kilometers along the path of a squall line, the storm is called a(n) ____________________.

Thunder is caused by

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

Left-moving supercell thunderstorms are uncommon in the Northern Hemisphere, yet are very common in the Southern Hemisphere.

Positive lightning is the most common with ____ thunderstorms.

Sound travels ____________________ in warm air than in cold air.

Downdrafts tend to dominate during the ____ stage.

The upper part of a thunderstorm cloud is normally charged, and the middle and lower parts are .

Lightning can shoot from the top of thunderstorms into the upper atmosphere.

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

Thunderstorms may form along or just east of a boundary called a(n) ____________________, which represents a narrow zone where there is a sharp horizontal change in moisture.

Lightning may occur from one cloud to another.​

When a dart leader moving toward the ground deviates from the original path taken by the stepped leader, the lightning appears crooked. Lightning that takes on this shape is called ____ lightning.​

Scattered thunderstorms (sometimes called "pop-up" or "popcorn" storms) that typically form on warm, humid days are often referred to as ____________________ thunderstorms or ____________________ thunderstorms.​

____ lightning looks like a luminous sphere, often about the size of a football, that appears to float in the air or slowly dart about for several seconds​

During the summer, what conditions prevail near the surface over the Great Plains that help a hailstone survive as ice all the way to the ground?​

Describe the relationship between flooding and thunderstorms.​

The wind shear associated with several major airline crashes is believed to have been caused by​

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.​

When a thunderstorm is located on the high plains east of the Rocky Mountains, a much larger portion of the storm will typically be located above the freezing level, so hail has a better chance of occurring.

Shelf clouds are also called ____ clouds.​

When damage associated with straight-line winds extends for several hundred kilometers along the path of a squall line, the storm is called a(n) ____________________.

Thunder is caused by​

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

Left-moving supercell thunderstorms are uncommon in the Northern Hemisphere, yet are very common in the Southern Hemisphere.​

Positive lightning is the most common with ____ thunderstorms.​

Sound travels ____________________ in warm air than in cold air.​

Downdrafts tend to dominate during the ____ stage.​

The upper part of a thunderstorm cloud is normally ____ charged, and the middle and lower parts are ____.​

Lightning can shoot from the top of thunderstorms into the upper atmosphere.​

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

Lightning may occur from one cloud to another.

When a dart leader moving toward the ground deviates from the original path taken by the stepped leader, the lightning appears crooked. Lightning that takes on this shape is called ____ lightning.

Scattered thunderstorms (sometimes called "pop-up" or "popcorn" storms) that typically form on warm, humid days are often referred to as thunderstorms or thunderstorms.

____ lightning looks like a luminous sphere, often about the size of a football, that appears to float in the air or slowly dart about for several seconds

During the summer, what conditions prevail near the surface over the Great Plains that help a hailstone survive as ice all the way to the ground?

Describe the relationship between flooding and thunderstorms.

The wind shear associated with several major airline crashes is believed to have been caused by

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.

Shelf clouds are also called ____ clouds.

Thunder is caused by

Left-moving supercell thunderstorms are uncommon in the Northern Hemisphere, yet are very common in the Southern Hemisphere.

Positive lightning is the most common with ____ thunderstorms.

Sound travels ____________________ in warm air than in cold air.

Downdrafts tend to dominate during the ____ stage.

The upper part of a thunderstorm cloud is normally charged, and the middle and lower parts are .

Lightning can shoot from the top of thunderstorms into the upper atmosphere.