Question 1

Which of the following air conditions generally occur when low-pressure areas are developing?

Accepted Answer

A) diverging air near the surface and diverging air aloft 
B) converging air near the surface and converging air aloft 
C) converging air near the surface and diverging air aloft 
D) diverging air near the surface and converging air aloft 
A) diverging air near the surface and diverging air aloft 
B) converging air near the surface and converging air aloft 
C) converging air near the surface and diverging air aloft 
D) diverging air near the surface and converging air aloft

Question 2

Which of the following is the first to occur in the life cycle of a middle-latitude cyclone?

Accepted Answer

A) fully developed warm front 
B) cut-off cyclone 
C) occluded cyclone 
D) open wave 
A) fully developed warm front 
B) cut-off cyclone 
C) occluded cyclone 
D) open wave

Question 3

Which of the following is another name given to a middle-latitude cyclone?

Accepted Answer

A) extratropical cyclone 
B) frontal cyclone 
C) anticyclone 
D) deep cyclone 
A) extratropical cyclone 
B) frontal cyclone 
C) anticyclone 
D) deep cyclone

Question 4

Which of the following defines the term vorticity?

Accepted Answer

A) the formation of clouds 
B) the spin of air parcels 
C) the rising and sinking of air along weather fronts 
D) the development of a wave cyclone 
A) the formation of clouds 
B) the spin of air parcels 
C) the rising and sinking of air along weather fronts 
D) the development of a wave cyclone

Question 5

Which of the following processes occurs when an anticyclone develops?

Accepted Answer

A) The anticyclone is causing a middle-latitude storm to form. 
B) Separate anticyclones are merging. 
C) The anticyclone is moving toward the east coast. 
D) The central pressure is increasing. 
A) The anticyclone is causing a middle-latitude storm to form. 
B) Separate anticyclones are merging. 
C) The anticyclone is moving toward the east coast. 
D) The central pressure is increasing.

Question 6

Which of the following processes occurs during baroclinic instability?

Accepted Answer

A) reduction of wave cyclones 
B) no air motion 
C) weak wind speed shear from the surface up to at least the 500 hPa level 
D) temperature advection 
A) reduction of wave cyclones 
B) no air motion 
C) weak wind speed shear from the surface up to at least the 500 hPa level 
D) temperature advection

Question 7

For cyclogenesis to occur along a frontal wave, which of the following conditions must be exhibited by the winds directly aloft of the wave?

Accepted Answer

A) convergence 
B) direct movement from west to east 
C) divergence 
D) uniform increase in speed over a broad area 
A) convergence 
B) direct movement from west to east 
C) divergence 
D) uniform increase in speed over a broad area

Question 8

Which of the following statements describes the usual direction and speed of atmospheric shortwaves?

Accepted Answer

A) They move west to east, and are faster than longwaves. 
B) They move east to west, and are slower than longwaves. 
C) They move east to west and are faster than longwaves. 
D) They move west to east, and are slower than longwaves. 
A) They move west to east, and are faster than longwaves. 
B) They move east to west, and are slower than longwaves. 
C) They move east to west and are faster than longwaves. 
D) They move west to east, and are slower than longwaves.

Question 9

​
Refer to the diagram above.
-Where would a surface high-pressure area moving toward the southeast most likely be found?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 10

​
Refer to the diagram above.
-In which of the following directions would a person located at the Earth's surface beneath position 2 observe clouds moving overhead (at the 500 hPa level)?

Accepted Answer

A) northwest to southeast 
B) southwest to northeast 
C) southeast to northwest 
D) west to east 
A) northwest to southeast 
B) southwest to northeast 
C) southeast to northwest 
D) west to east

Question 11

Which of the following defines a comma cloud?

Accepted Answer

A) a high wispy cirrus cloud that takes on the shape of a comma 
B) an organized band of clouds that looks like a comma on a satellite photograph 
C) the spiraling arms of a hurricane 
D) a large cumulonimbus cloud whose anvil is in the shape of a comma 
A) a high wispy cirrus cloud that takes on the shape of a comma 
B) an organized band of clouds that looks like a comma on a satellite photograph 
C) the spiraling arms of a hurricane 
D) a large cumulonimbus cloud whose anvil is in the shape of a comma

Question 12

Which of the following is an alternative term that meteorologists use for explosive cyclogenesis?

Accepted Answer

A) cut-off low cyclogenesis 
B) lee-side low development 
C) bomb 
D) deepening shortwave 
A) cut-off low cyclogenesis 
B) lee-side low development 
C) bomb 
D) deepening shortwave

Question 13

Assume that the absolute vorticity of flowing air is conserved. If air is moving northeastward, which of the following statements is correct?

Accepted Answer

A) Air will bend anticyclonically to compensate for an increase in the Earth's vorticity. 
B) Air will bend cyclonically to compensate for a decrease in the Earth's vorticity. 
C) Air will bend anticyclonically to compensate for a decrease in the Earth's vorticity. 
D) Air will bend cyclonically to compensate for an increase in the Earth's vorticity. 
A) Air will bend anticyclonically to compensate for an increase in the Earth's vorticity. 
B) Air will bend cyclonically to compensate for a decrease in the Earth's vorticity. 
C) Air will bend anticyclonically to compensate for a decrease in the Earth's vorticity. 
D) Air will bend cyclonically to compensate for an increase in the Earth's vorticity.

Question 14

In winter, most middle-latitude cyclones that impact southern Ontario come from which direction?

Accepted Answer

A) west 
B) east 
C) north 
D) south 
A) west 
B) east 
C) north 
D) south

Question 15

Suppose the outflow of air around a surface high-pressure area is greater than the convergence of air aloft. Which of the following conditions would be observed?

Accepted Answer

A) decrease in the central pressure 
B) increase in pressure in the centre of the high 
C) movement of the high toward the northeast 
D) strengthening in the high 
A) decrease in the central pressure 
B) increase in pressure in the centre of the high 
C) movement of the high toward the northeast 
D) strengthening in the high

Question 16

Which of the following defines cyclogenesis?

Accepted Answer

A) the weakening or dissipation of a middle-latitude cyclone 
B) the development or strengthening of a middle-latitude cyclone 
C) the exact midpoint of a middle-latitude cyclone 
D) the development or strengthening of a tropical cyclone 
A) the weakening or dissipation of a middle-latitude cyclone 
B) the development or strengthening of a middle-latitude cyclone 
C) the exact midpoint of a middle-latitude cyclone 
D) the development or strengthening of a tropical cyclone

Question 17

At which number would a developing wave cyclone most likely be found?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 18

Which of the following scientists was one of the meteorologists who helped develop the polar-front theory of a developing wave cyclone?

Accepted Answer

A) Rossby 
B) Bjerknes 
C) Thornthwaite 
D) McSorley 
A) Rossby 
B) Bjerknes 
C) Thornthwaite 
D) McSorley

Question 19

Suppose you observe a middle-latitude cyclone on a surface weather map. What kinds of weather charts would you examine to determine whether the cyclone is likely to strengthen or decay over the next 24 hours? What information would you likely gain from each chart type?

Accepted Answer

To determine whether a middle-latitude c

Question 20

Which of the following is an accurate statement about the dry conveyor belt?

Accepted Answer

A) It is associated with the clouds within a middle-latitude cyclone. 
B) It is the cause of a middle-latitudes precipitation. 
C) It brings calm conditions to the surface. 
D) It can bring down air from the lower stratosphere. 
A) It is associated with the clouds within a middle-latitude cyclone. 
B) It is the cause of a middle-latitudes precipitation. 
C) It brings calm conditions to the surface. 
D) It can bring down air from the lower stratosphere.

Which of the following air conditions generally occur when low-pressure areas are developing?

Which of the following is the first to occur in the life cycle of a middle-latitude cyclone?

Which of the following is another name given to a middle-latitude cyclone?

Which of the following defines the term vorticity?

Which of the following processes occurs when an anticyclone develops?

Which of the following processes occurs during baroclinic instability?

For cyclogenesis to occur along a frontal wave, which of the following conditions must be exhibited by the winds directly aloft of the wave?

Which of the following statements describes the usual direction and speed of atmospheric shortwaves?

Refer to the diagram above. -Where would a surface high-pressure area moving toward the southeast most likely be found?

Refer to the diagram above. -In which of the following directions would a person located at the Earth's surface beneath position 2 observe clouds moving overhead (at the 500 hPa level)?

Which of the following defines a comma cloud?

Which of the following is an alternative term that meteorologists use for explosive cyclogenesis?

Assume that the absolute vorticity of flowing air is conserved. If air is moving northeastward, which of the following statements is correct?

In winter, most middle-latitude cyclones that impact southern Ontario come from which direction?

Suppose the outflow of air around a surface high-pressure area is greater than the convergence of air aloft. Which of the following conditions would be observed?

Which of the following defines cyclogenesis?

At which number would a developing wave cyclone most likely be found?

Which of the following scientists was one of the meteorologists who helped develop the polar-front theory of a developing wave cyclone?

Suppose you observe a middle-latitude cyclone on a surface weather map. What kinds of weather charts would you examine to determine whether the cyclone is likely to strengthen or decay over the next 24 hours? What information would you likely gain from each chart type?

Which of the following is an accurate statement about the dry conveyor belt?

Earth and Its Atmosphere

Energy: Warming 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

Filters

Exam 12: Middle-Latitude Cyclones

Which of the following air conditions generally occur when low-pressure areas are developing?

Which of the following is the first to occur in the life cycle of a middle-latitude cyclone?

Which of the following is another name given to a middle-latitude cyclone?

Which of the following defines the term vorticity?

Which of the following processes occurs when an anticyclone develops?

Which of the following processes occurs during baroclinic instability?

For cyclogenesis to occur along a frontal wave, which of the following conditions must be exhibited by the winds directly aloft of the wave?

Which of the following statements describes the usual direction and speed of atmospheric shortwaves?

​ Refer to the diagram above. -Where would a surface high-pressure area moving toward the southeast most likely be found?

​ Refer to the diagram above. -In which of the following directions would a person located at the Earth's surface beneath position 2 observe clouds moving overhead (at the 500 hPa level)?

Which of the following defines a comma cloud?

Which of the following is an alternative term that meteorologists use for explosive cyclogenesis?

Assume that the absolute vorticity of flowing air is conserved. If air is moving northeastward, which of the following statements is correct?

In winter, most middle-latitude cyclones that impact southern Ontario come from which direction?

Suppose the outflow of air around a surface high-pressure area is greater than the convergence of air aloft. Which of the following conditions would be observed?

Which of the following defines cyclogenesis?

At which number would a developing wave cyclone most likely be found?

Which of the following scientists was one of the meteorologists who helped develop the polar-front theory of a developing wave cyclone?

Suppose you observe a middle-latitude cyclone on a surface weather map. What kinds of weather charts would you examine to determine whether the cyclone is likely to strengthen or decay over the next 24 hours? What information would you likely gain from each chart type?

Which of the following is an accurate statement about the dry conveyor belt?

Earth and Its Atmosphere

Energy: Warming 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

Filters

Refer to the diagram above. -Where would a surface high-pressure area moving toward the southeast most likely be found?

Refer to the diagram above. -In which of the following directions would a person located at the Earth's surface beneath position 2 observe clouds moving overhead (at the 500 hPa level)?