Question 1

Thunderstorms that move to the right of the winds aloft tend to:

Accepted Answer

A) form along warm fronts 
B) cut off the supply of humid air to thunderstorms to the north of them 
C) form in the northern United States and Canada where the Coriolis force is
Greatest 
D) form near mountains where upper-level winds develop into waves 
E) form over water due to the reduced friction there 
A) form along warm fronts 
B) cut off the supply of humid air to thunderstorms to the north of them 
C) form in the northern United States and Canada where the Coriolis force is
Greatest 
D) form near mountains where upper-level winds develop into waves 
E) form over water due to the reduced friction there

Question 2

What is wind shear? Why does wind shear represent a hazard to aviation?

Accepted Answer

Wind shear refers to a change in wind sp

Question 3

What is a squall line? Where would you expect squall lines to form?

Accepted Answer

The answer of What is a squall line? Where would...

Question 4

Severe thunderstorms often occur where the dryline intersects a front or an outflow boundary.

Accepted Answer

A) True 
 B)False

Question 5

Squall lines generally do not form:

Accepted Answer

A) behind a cold front 
B) when the air aloft develops waves downwind from a cold front 
C) along a dry line 
D) in the warm sector where warm,dry air meets warm,humid air 
E) ahead of an advancing cold front 
A) behind a cold front 
B) when the air aloft develops waves downwind from a cold front 
C) along a dry line 
D) in the warm sector where warm,dry air meets warm,humid air 
E) ahead of an advancing cold front

Question 6

Jet streaks are thought to have little to do with the development of severe thunderstorms.

Accepted Answer

A) True 
 B)False

Question 7

An ordinary cell thunderstorm is most intense during the __________ stage.

Accepted Answer

A) mature 
B) multicell 
C) cumulus 
D) dissipating 
A) mature 
B) multicell 
C) cumulus 
D) dissipating

Question 8

A supercell storm consists of a single rotating updraft.

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

The stages of development of an ordinary

Question 10

Where does the energy in a mature thunderstorm come from?

Accepted Answer

The energy in a mature thunderstorm prim

Question 11

Why is the weather so violent inside a supercell thunderstorm?

Accepted Answer

A supercell thunderstorm is characterize

Question 12

The low-level jet stream reaches its maximum strength at night.

Accepted Answer

A) True 
 B)False

Question 13

Where do thunderstorms form most frequently in the US? Why is this the case? Is this also where most tornadoes occur? Explain.

Accepted Answer

Thunderstorms form most frequently in th

Question 14

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 15

Lightning may occur:

Accepted Answer

A) within a cloud 
B) from a cloud to the ground 
C) from one cloud to another cloud 
D) all of the above 
A) within a cloud 
B) from a cloud to the ground 
C) from one cloud to another cloud 
D) all of the above

Question 16

The warm temperatures of a heat burst (a very warm thunderstorm downdraft)are caused by evaporative warming.

Accepted Answer

A) True 
 B)False

Question 17

An important principle in the electrification of a cumulonimbus cloud is that:

Accepted Answer

A) raindrops are always positively charged 
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 
A) raindrops are always positively charged 
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

Question 18

Many flash floods,including those that occurred in Rapid City,South Dakota,and in Colorado's Big Thompson Canyon,are the result of thunderstorms that:

Accepted Answer

A) contain no lightning 
B) form in a dry air mass 
C) move slowly 
D) have weak or non-existent downdrafts 
A) contain no lightning 
B) form in a dry air mass 
C) move slowly 
D) have weak or non-existent downdrafts

Question 19

How does a thunderstorm gust front form? What might you expect to see and feel if a gust front were to approach and pass you on the ground?

Accepted Answer

A thunderstorm gust front forms as a res

Question 20

Conditional instability is a favorable condition for thunderstorm formation.

Accepted Answer

A) True 
 B)False

Thunderstorms that move to the right of the winds aloft tend to:

What is wind shear? Why does wind shear represent a hazard to aviation?

What is a squall line? Where would you expect squall lines to form?

Severe thunderstorms often occur where the dryline intersects a front or an outflow boundary.

Squall lines generally do not form:

Jet streaks are thought to have little to do with the development of severe thunderstorms.

An ordinary cell thunderstorm is most intense during the __________ stage.

A supercell storm consists of a single rotating updraft.

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

Where does the energy in a mature thunderstorm come from?

Why is the weather so violent inside a supercell thunderstorm?

The low-level jet stream reaches its maximum strength at night.

Where do thunderstorms form most frequently in the US? Why is this the case? Is this also where most tornadoes occur? Explain.

The downdraft in an ordinary thunderstorm is created mainly by:

Lightning may occur:

The warm temperatures of a heat burst (a very warm thunderstorm downdraft)are caused by evaporative warming.

An important principle in the electrification of a cumulonimbus cloud is that:

Many flash floods,including those that occurred in Rapid City,South Dakota,and in Colorado's Big Thompson Canyon,are the result of thunderstorms that:

How does a thunderstorm gust front form? What might you expect to see and feel if a gust front were to approach and pass you on the ground?

Conditional instability is a favorable condition for thunderstorm formation.

The Turbulent Atmosphere

Energy That Drives the Storms

Temperature and Humidity Extremes

Condensation in the Atmosphere

Clouds and Stability

Precipitation Extremes

Atmospheric Motions

Wind Systems

Air Masses and Fronts

Mid-Latitude Cyclonic Storms

Tornadoes

Hurricanes

Weather Forecasting

The Earths Changing Climate

Filters

Exam 11: Thunderstorms

Thunderstorms that move to the right of the winds aloft tend to:

What is wind shear? Why does wind shear represent a hazard to aviation?

What is a squall line? Where would you expect squall lines to form?

Severe thunderstorms often occur where the dryline intersects a front or an outflow boundary.

Squall lines generally do not form:

Jet streaks are thought to have little to do with the development of severe thunderstorms.

An ordinary cell thunderstorm is most intense during the __________ stage.

A supercell storm consists of a single rotating updraft.

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

Where does the energy in a mature thunderstorm come from?

Why is the weather so violent inside a supercell thunderstorm?

The low-level jet stream reaches its maximum strength at night.

Where do thunderstorms form most frequently in the US? Why is this the case? Is this also where most tornadoes occur? Explain.

The downdraft in an ordinary thunderstorm is created mainly by:

Lightning may occur:

The warm temperatures of a heat burst (a very warm thunderstorm downdraft)are caused by evaporative warming.

An important principle in the electrification of a cumulonimbus cloud is that:

Many flash floods,including those that occurred in Rapid City,South Dakota,and in Colorado's Big Thompson Canyon,are the result of thunderstorms that:

How does a thunderstorm gust front form? What might you expect to see and feel if a gust front were to approach and pass you on the ground?

Conditional instability is a favorable condition for thunderstorm formation.

The Turbulent Atmosphere

Energy That Drives the Storms

Temperature and Humidity Extremes

Condensation in the Atmosphere

Clouds and Stability

Precipitation Extremes

Atmospheric Motions

Wind Systems

Air Masses and Fronts

Mid-Latitude Cyclonic Storms

Tornadoes

Hurricanes

Weather Forecasting

The Earths Changing Climate

Filters