Question 1

The planetary vorticity of an air parcel moving from low toward high latitude in the Northern Hemisphere will​

Accepted Answer

A)  ​increase. 
B)  ​decrease. 
C)  ​remain constant. 
D)  ​change from positive to negative. 
E)  ​change from negative to positive. 
A)  ​increase. 
B)  ​decrease. 
C)  ​remain constant. 
D)  ​change from positive to negative. 
E)  ​change from negative to positive.

Question 2

Like hurricanes, polar lows normally have a warmer central core, strong winds (often gale force or higher), and heavy showery precipitation that unlike a hurricane, is in the form of snow.​

Accepted Answer

A) True 
 B)False

Question 3

Cyclogenesis can occur in regions without a large horizontal temperature gradient.​

Accepted Answer

A) True 
 B)False

Question 4

​Divergence and convergence of air are due to changes in

Accepted Answer

A)  ​cloud pattern. 
B)  ​solar radiation. 
C)  ​radiational cooling. 
D)  ​precipitation type. 
E)  ​wind speed or wind direction. 
A)  ​cloud pattern. 
B)  ​solar radiation. 
C)  ​radiational cooling. 
D)  ​precipitation type. 
E)  ​wind speed or wind direction.

Question 5

During baroclinic instability, a ____________________ lows often appear as single contour lines on an upper-level chart.

Accepted Answer

The answer of During baroclinic instability, a ____________________ lows often...

Question 6

Vorticity is always present in the atmosphere, even during fair weather.​

Accepted Answer

A) True 
 B)False

Question 7

Why does middle latitude storm development occur beneath troughs rather than ridges on a 500 mb chart?​

Accepted Answer

​Cold advection brings cold air into a t

Question 8

In polar front theory, the region of warm air between the cold and warm fronts is known as the ____________________.

Accepted Answer

The answer of In polar front theory, the region of...

Question 9

Which name is given to a large cyclonic storm system that forms in the middle latitudes?​

Accepted Answer

A)  ​middle latitude cyclone 
B)  ​tornado 
C)  ​taifoon 
D)  ​anticyclone 
E)  ​thunderstorm 
A)  ​middle latitude cyclone 
B)  ​tornado 
C)  ​taifoon 
D)  ​anticyclone 
E)  ​thunderstorm

Question 10

In a mid-latitude cyclone, when the upper low lies directly above the surface low, the storm system is said to be​

Accepted Answer

A)  ​horizontally stacked. 
B)  ​vertically unstable. 
C)  ​vertically stacked. 
D)  ​horizontally unstable. 
E)  ​vertically cut off. 
A)  ​horizontally stacked. 
B)  ​vertically unstable. 
C)  ​vertically stacked. 
D)  ​horizontally unstable. 
E)  ​vertically cut off.

Question 11

​Define the conditions under which cyclones would die out soon after they form.

Accepted Answer

If the upper-level low is directly above

Question 12

Storms typically form along the polar front. However, there are also storms that develop over polar water behind (or poleward of) the main polar front.​

Accepted Answer

A) True 
 B)False

Question 13

If we assume that the absolute vorticity of flowing air is conserved, air moving northeastward will bend ____ to compensate for the ____ in Earth's vorticity.​

Accepted Answer

A)  ​anticyclonically; decrease 
B)  ​anticyclonically; increase 
C)  ​cyclonically; increase 
D)  ​cyclonically; decrease 
E)  ​cyclonically; lack of change 
A)  ​anticyclonically; decrease 
B)  ​anticyclonically; increase 
C)  ​cyclonically; increase 
D)  ​cyclonically; decrease 
E)  ​cyclonically; lack of change

Question 14

Explain the term absolute vorticity in a real-life context, such as a spinning ice skater. In your description, include the terms relative vorticity and Earth's vorticity.​

Accepted Answer

​Answers may vary. Watching an ice skate

Question 15

Jet streaks often occur away from jet streams.​

Accepted Answer

A) True 
 B)False

Question 16

Why is it important to locate and follow the movements of atmospheric shortwaves?​

Accepted Answer

​Shortwaves disturb upper-level air flow

Question 17

Generally, polar lows rapidly ____ when they move over land.​

Accepted Answer

A)  ​strengthen 
B)  ​dissipate 
C)  ​change direction 
D)  ​shears 
E)  ​double in strength 
A)  ​strengthen 
B)  ​dissipate 
C)  ​change direction 
D)  ​shears 
E)  ​double in strength

Question 18

During the March, 1993 storm off the coast of Texas, a region of ____ air in the upper air above the storm caused the rapid decrease of surface pressure leading to the development of a wave cyclone.​

Accepted Answer

A)  ​diverging. 
B)  ​converging. 
C)  ​blowing straight from west to east. 
D)  ​increasing in speed uniformly over a broad area. 
E)  ​blowing from north to south. 
A)  ​diverging. 
B)  ​converging. 
C)  ​blowing straight from west to east. 
D)  ​increasing in speed uniformly over a broad area. 
E)  ​blowing from north to south.

Question 19

What does cyclogenesis mean, and where does it commonly occur?​

Accepted Answer

Any development or strengthening of a mi

Question 20

A small, moving disturbance imbedded in a longwave is called a​

Accepted Answer

A)  ​lee-side low. 
B)  ​wave cyclone. 
C)  ​shortwave. 
D)  ​frontal wave. 
E)  ​Rossby wave. 
A)  ​lee-side low. 
B)  ​wave cyclone. 
C)  ​shortwave. 
D)  ​frontal wave. 
E)  ​Rossby wave.

The planetary vorticity of an air parcel moving from low toward high latitude in the Northern Hemisphere will

Like hurricanes, polar lows normally have a warmer central core, strong winds (often gale force or higher), and heavy showery precipitation that unlike a hurricane, is in the form of snow.

Cyclogenesis can occur in regions without a large horizontal temperature gradient.

Divergence and convergence of air are due to changes in

During baroclinic instability, a ____________________ lows often appear as single contour lines on an upper-level chart.

Vorticity is always present in the atmosphere, even during fair weather.

Why does middle latitude storm development occur beneath troughs rather than ridges on a 500 mb chart?

In polar front theory, the region of warm air between the cold and warm fronts is known as the ____________________.

Which name is given to a large cyclonic storm system that forms in the middle latitudes?

In a mid-latitude cyclone, when the upper low lies directly above the surface low, the storm system is said to be

Define the conditions under which cyclones would die out soon after they form.

Storms typically form along the polar front. However, there are also storms that develop over polar water behind (or poleward of) the main polar front.

If we assume that the absolute vorticity of flowing air is conserved, air moving northeastward will bend to compensate for the in Earth's vorticity.

Explain the term absolute vorticity in a real-life context, such as a spinning ice skater. In your description, include the terms relative vorticity and Earth's vorticity.

Jet streaks often occur away from jet streams.

Why is it important to locate and follow the movements of atmospheric shortwaves?

Generally, polar lows rapidly ____ when they move over land.

During the March, 1993 storm off the coast of Texas, a region of ____ air in the upper air above the storm caused the rapid decrease of surface pressure leading to the development of a wave cyclone.

What does cyclogenesis mean, and where does it commonly occur?

A small, moving disturbance imbedded in a longwave is called a

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

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

Exam 12: Middle Latitude Cyclones

The planetary vorticity of an air parcel moving from low toward high latitude in the Northern Hemisphere will​

Like hurricanes, polar lows normally have a warmer central core, strong winds (often gale force or higher), and heavy showery precipitation that unlike a hurricane, is in the form of snow.​

Cyclogenesis can occur in regions without a large horizontal temperature gradient.​

​Divergence and convergence of air are due to changes in

During baroclinic instability, a ____________________ lows often appear as single contour lines on an upper-level chart.

Vorticity is always present in the atmosphere, even during fair weather.​

Why does middle latitude storm development occur beneath troughs rather than ridges on a 500 mb chart?​

In polar front theory, the region of warm air between the cold and warm fronts is known as the ____________________.

Which name is given to a large cyclonic storm system that forms in the middle latitudes?​

In a mid-latitude cyclone, when the upper low lies directly above the surface low, the storm system is said to be​

​Define the conditions under which cyclones would die out soon after they form.

Storms typically form along the polar front. However, there are also storms that develop over polar water behind (or poleward of) the main polar front.​

If we assume that the absolute vorticity of flowing air is conserved, air moving northeastward will bend ____ to compensate for the ____ in Earth's vorticity.​

Explain the term absolute vorticity in a real-life context, such as a spinning ice skater. In your description, include the terms relative vorticity and Earth's vorticity.​

Jet streaks often occur away from jet streams.​

Why is it important to locate and follow the movements of atmospheric shortwaves?​

Generally, polar lows rapidly ____ when they move over land.​

During the March, 1993 storm off the coast of Texas, a region of ____ air in the upper air above the storm caused the rapid decrease of surface pressure leading to the development of a wave cyclone.​

What does cyclogenesis mean, and where does it commonly occur?​

A small, moving disturbance imbedded in a longwave is called a​

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

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Light - Color and Atmospheric Optics

Filters

The planetary vorticity of an air parcel moving from low toward high latitude in the Northern Hemisphere will

Like hurricanes, polar lows normally have a warmer central core, strong winds (often gale force or higher), and heavy showery precipitation that unlike a hurricane, is in the form of snow.

Cyclogenesis can occur in regions without a large horizontal temperature gradient.

Divergence and convergence of air are due to changes in

Vorticity is always present in the atmosphere, even during fair weather.

Why does middle latitude storm development occur beneath troughs rather than ridges on a 500 mb chart?

Which name is given to a large cyclonic storm system that forms in the middle latitudes?

In a mid-latitude cyclone, when the upper low lies directly above the surface low, the storm system is said to be

Define the conditions under which cyclones would die out soon after they form.

Storms typically form along the polar front. However, there are also storms that develop over polar water behind (or poleward of) the main polar front.

If we assume that the absolute vorticity of flowing air is conserved, air moving northeastward will bend to compensate for the in Earth's vorticity.

Explain the term absolute vorticity in a real-life context, such as a spinning ice skater. In your description, include the terms relative vorticity and Earth's vorticity.

Jet streaks often occur away from jet streams.

Why is it important to locate and follow the movements of atmospheric shortwaves?

Generally, polar lows rapidly ____ when they move over land.

During the March, 1993 storm off the coast of Texas, a region of ____ air in the upper air above the storm caused the rapid decrease of surface pressure leading to the development of a wave cyclone.

What does cyclogenesis mean, and where does it commonly occur?

A small, moving disturbance imbedded in a longwave is called a