Question 1

Describe the characteristics of an atypical cold front.​

Accepted Answer

Student Answers may vary,but include one

Question 2

An upper-air front involves downward motion of the

Accepted Answer

A) tropopause. 
B) stratopause. 
C) ​low-level jet. 
D) ​both tropopause and low-level jet 
E) ​both stratopause and low-level jet. 
A) tropopause. 
B) stratopause. 
C) ​low-level jet. 
D) ​both tropopause and low-level jet 
E) ​both stratopause and low-level jet.

Question 3

At the surface,occluded fronts are always followed by colder air.

Accepted Answer

A) True 
 B)False

Question 4

What type of weather would you expect to see form when a cP air mass moves across warm water? Would conditions be any different when mP air moves across a cold land surface?​

Accepted Answer

When the cold,dry air mass (cP)moves ove

Question 5

What type of air mass would be responsible for refreshing cool,dry breezes after a long summer hot spell in the Central Plains?​

Accepted Answer

A) mP 
B) mT 
C) ​cP 
D) ​cT 
E) ​mA 
A) mP 
B) mT 
C) ​cP 
D) ​cT 
E) ​mA

Question 6

An elongated area of low pressure is called a(n)____________________.​

Accepted Answer

The answer of An elongated area of low pressure is...

Question 7

Continental arctic and continental polar air masses can be difficult to distinguish,especially when the arctic air mass has traveled over warmer terrain.

Accepted Answer

A) True 
 B)False

Question 8

In winter,cold-front weather is typically more violent than warm-front weather.Why? Explain why this is not necessarily true in summer.​

Accepted Answer

In winter,cold fronts are well developed

Question 9

Along a dryline,the ____ may drop markedly.

Accepted Answer

A) wind direction 
B) pressure 
C) ​precipitation types 
D) ​dew point temperatures 
E) ​wind patterns 
A) wind direction 
B) pressure 
C) ​precipitation types 
D) ​dew point temperatures 
E) ​wind patterns

Question 10

Along the boundary between continental polar and maritime tropical air masses,widespread precipitation and storminess is often found.

Accepted Answer

A) True 
 B)False

Question 11

A halo around the Sun or Moon indicates that rain may be on the way because the halo indicates a(n)

Accepted Answer

A) cold front may be approaching. 
B) warm front may be approaching. 
C) ​sharp drop in atmospheric pressure. 
D) ​sudden rise in surface dew point temperature. 
E) ​occluded front just passed. 
A) cold front may be approaching. 
B) warm front may be approaching. 
C) ​sharp drop in atmospheric pressure. 
D) ​sudden rise in surface dew point temperature. 
E) ​occluded front just passed.

Question 12

The origin of cP and cA air masses that enter the United States is

Accepted Answer

A) Northern Siberia. 
B) the Northern Atlantic Ocean. 
C) ​Antarctica. 
D) ​Northern Canada and Alaska. 
E) ​the Eastern Pacific Ocean. 
A) Northern Siberia. 
B) the Northern Atlantic Ocean. 
C) ​Antarctica. 
D) ​Northern Canada and Alaska. 
E) ​the Eastern Pacific Ocean.

Question 13

Freezing rain more commonly occurs with warm fronts than with cold fronts.

Accepted Answer

A) True 
 B)False

Question 14

One would expect a cP air mass to be

Accepted Answer

A) cold and dry. 
B) cold and moist. 
C) ​warm and dry. 
D) ​warm and moist. 
E) ​temperate and dry. 
A) cold and dry. 
B) cold and moist. 
C) ​warm and dry. 
D) ​warm and moist. 
E) ​temperate and dry.

Question 15

The lake effect occurs when a(n)____ air mass moves over a ____ body of water.

Accepted Answer

A) mT;cold 
B) mT;warm 
C) ​cA;cold 
D) ​cP;cold 
E) ​cP;warm 
A) mT;cold 
B) mT;warm 
C) ​cA;cold 
D) ​cP;cold 
E) ​cP;warm

Question 16

Continental polar (cP)and continental Arctic (cA)air masses

Accepted Answer

A) both originate over polar oceans. 
B) form in summer only. 
C) originate over the ice- and snow-covered regions of the Arctic,northern Canada,and Alaska where long,clear nights allow for strong radiational cooling of the surface. 
D) ​bring strong thunderstorms. 
E) ​produce wet weather and temperatures around the freezing point. 
A) both originate over polar oceans. 
B) form in summer only. 
C) originate over the ice- and snow-covered regions of the Arctic,northern Canada,and Alaska where long,clear nights allow for strong radiational cooling of the surface. 
D) ​bring strong thunderstorms. 
E) ​produce wet weather and temperatures around the freezing point.

Question 17

Air masses are usually classified according to their ____ and ____.

Accepted Answer

A) pressure;humidity 
B) wind direction;precipitation type 
C) ​humidity;wind direction 
D) ​temperature;pressure 
E) ​temperature;humidity 
A) pressure;humidity 
B) wind direction;precipitation type 
C) ​humidity;wind direction 
D) ​temperature;pressure 
E) ​temperature;humidity

Question 18

In some cases where a stationary front butts up against a mountain range winds blowing upslope can generate ____ (upslope precipitation)if there is enough moisture in the air.​

Accepted Answer

A) heavy rain 
B) heavy snow 
C) ​hail 
D) ​thunderstorms 
E) ​light rain or snow 
A) heavy rain 
B) heavy snow 
C) ​hail 
D) ​thunderstorms 
E) ​light rain or snow

Question 19

Before the passage of a cold front the pressure normally ____,and after the passage of a cold front the pressure normally ____.

Accepted Answer

A) drops;drops 
B) drops;rises 
C) ​rises;rises 
D) ​rises;drops 
E) ​does not change;drops 
A) drops;drops 
B) drops;rises 
C) ​rises;rises 
D) ​rises;drops 
E) ​does not change;drops

Describe the characteristics of an atypical cold front.

An upper-air front involves downward motion of the

At the surface,occluded fronts are always followed by colder air.

What type of weather would you expect to see form when a cP air mass moves across warm water? Would conditions be any different when mP air moves across a cold land surface?

What type of air mass would be responsible for refreshing cool,dry breezes after a long summer hot spell in the Central Plains?

An elongated area of low pressure is called a(n)____________________.

Continental arctic and continental polar air masses can be difficult to distinguish,especially when the arctic air mass has traveled over warmer terrain.

In winter,cold-front weather is typically more violent than warm-front weather.Why? Explain why this is not necessarily true in summer.

Along a dryline,the ____ may drop markedly.

Along the boundary between continental polar and maritime tropical air masses,widespread precipitation and storminess is often found.

A halo around the Sun or Moon indicates that rain may be on the way because the halo indicates a(n)

The origin of cP and cA air masses that enter the United States is

Freezing rain more commonly occurs with warm fronts than with cold fronts.

One would expect a cP air mass to be

The lake effect occurs when a(n) air mass moves over a body of water.

Continental polar (cP)and continental Arctic (cA)air masses

Air masses are usually classified according to their and .

In some cases where a stationary front butts up against a mountain range winds blowing upslope can generate ____ (upslope precipitation)if there is enough moisture in the air.

Before the passage of a cold front the pressure normally ,and after the passage of a cold front the pressure normally .

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

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light Color and Atmospheric Optics

Filters

Exam 11: Air Masses and Fronts

Describe the characteristics of an atypical cold front.​

An upper-air front involves downward motion of the

At the surface,occluded fronts are always followed by colder air.

What type of weather would you expect to see form when a cP air mass moves across warm water? Would conditions be any different when mP air moves across a cold land surface?​

What type of air mass would be responsible for refreshing cool,dry breezes after a long summer hot spell in the Central Plains?​

An elongated area of low pressure is called a(n)____________________.​

Continental arctic and continental polar air masses can be difficult to distinguish,especially when the arctic air mass has traveled over warmer terrain.

In winter,cold-front weather is typically more violent than warm-front weather.Why? Explain why this is not necessarily true in summer.​

Along a dryline,the ____ may drop markedly.

Along the boundary between continental polar and maritime tropical air masses,widespread precipitation and storminess is often found.

A halo around the Sun or Moon indicates that rain may be on the way because the halo indicates a(n)

The origin of cP and cA air masses that enter the United States is

Freezing rain more commonly occurs with warm fronts than with cold fronts.

One would expect a cP air mass to be

The lake effect occurs when a(n)____ air mass moves over a ____ body of water.

Continental polar (cP)and continental Arctic (cA)air masses

Air masses are usually classified according to their ____ and ____.

In some cases where a stationary front butts up against a mountain range winds blowing upslope can generate ____ (upslope precipitation)if there is enough moisture in the air.​

Before the passage of a cold front the pressure normally ____,and after the passage of a cold front the pressure normally ____.

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

Middle Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light Color and Atmospheric Optics

Filters

Describe the characteristics of an atypical cold front.

What type of weather would you expect to see form when a cP air mass moves across warm water? Would conditions be any different when mP air moves across a cold land surface?

What type of air mass would be responsible for refreshing cool,dry breezes after a long summer hot spell in the Central Plains?

An elongated area of low pressure is called a(n)____________________.

In winter,cold-front weather is typically more violent than warm-front weather.Why? Explain why this is not necessarily true in summer.

The lake effect occurs when a(n) air mass moves over a body of water.

Air masses are usually classified according to their and .

In some cases where a stationary front butts up against a mountain range winds blowing upslope can generate ____ (upslope precipitation)if there is enough moisture in the air.

Before the passage of a cold front the pressure normally ,and after the passage of a cold front the pressure normally .