Question 1

-Which of the following gives an example of orographic clouds?

Accepted Answer

A) clouds forming over a warm ocean current 
B) clouds formed by surface heating 
C) clouds forming behind a jet airplane 
D) clouds forming on the windward slope of a mountain 
A) clouds forming over a warm ocean current 
B) clouds formed by surface heating 
C) clouds forming behind a jet airplane 
D) clouds forming on the windward slope of a mountain

Question 2

Which of the following surface conditions produces a convective cumulus cloud with the highest base?

Accepted Answer

A) air temperature 25°C and dew point 10°C 
B) air temperature 35°C and dew point 10°C 
C) air temperature 40°C and dew point 30°C 
D) air temperature 45°C and dew point 25°C 
A) air temperature 25°C and dew point 10°C 
B) air temperature 35°C and dew point 10°C 
C) air temperature 40°C and dew point 30°C 
D) air temperature 45°C and dew point 25°C

Question 3

Which of the following defines the dry adiabatic lapse rate?

Accepted Answer

A) the rate at which temperature changes in a rising or descending parcel of unsaturated air 
B) the rate at which latent heat energy is released in a rising air parcel 
C) the rate at which an air parcel rises 
D) the rate at which volume changes when a parcel expands or is compressed 
A) the rate at which temperature changes in a rising or descending parcel of unsaturated air 
B) the rate at which latent heat energy is released in a rising air parcel 
C) the rate at which an air parcel rises 
D) the rate at which volume changes when a parcel expands or is compressed

Question 4

Which of the following conditions, working together, make the atmosphere most stable?

Accepted Answer

A) cool surface and warm air aloft 
B) warm surface and warm air aloft 
C) cool surface and cool air aloft 
D) warm surface and cool air aloft 
A) cool surface and warm air aloft 
B) warm surface and warm air aloft 
C) cool surface and cool air aloft 
D) warm surface and cool air aloft

Question 5

-A cloud must have formed at which of the following altitudes?

Accepted Answer

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

Question 6

Suppose you take a trip during the summer from Ontario to Alberta. Which of the following describes the afternoon cumulus clouds you likely observe as you travel west?

Accepted Answer

A) The clouds have higher cloud bases. 
B) The clouds disappear. 
C) The clouds form earlier in the day. 
D) The clouds are larger. 
A) The clouds have higher cloud bases. 
B) The clouds disappear. 
C) The clouds form earlier in the day. 
D) The clouds are larger.

Question 7

Which of the following gives the height of the base of a cumulus cloud when the surface air temperature is 45°C and the dew point is 25°C?

Accepted Answer

A) 1125 m 
B) 2000 m 
C) 2500 m 
D) 4000 m 
A) 1125 m 
B) 2000 m 
C) 2500 m 
D) 4000 m

Question 8

Explain why the surface air on the downwind side of a mountain can be drier than the surface air on the upwind side. What is this effect called? Can you think of a l°Cation in Canada where this might °Ccur?

Accepted Answer

The surface air on the downwind side of

Question 9

Which of the following terms refers to the temperature of an air parcel that is moved to a pressure of 1000 hPa at the dry adiabatic rate?

Accepted Answer

A) dew point temperature 
B) potential temperature 
C) descending temperature 
D) adiabatic temperature 
A) dew point temperature 
B) potential temperature 
C) descending temperature 
D) adiabatic temperature

Question 10

Cumulonimbus clouds indicate unstable atmospheric conditions. What stops the upward growth and causes the top of a cumulonimbus cloud to flatten out into an anvil?

Accepted Answer

The answer of Cumulonimbus clouds indicate unstable atmospheric conditions. What...

Question 11

Which of the following statements describes the environmental lapse rate in a conditionally unstable atmosphere?

Accepted Answer

A) It will be less than the moist adiabatic rate and less than the dry adiabatic rate. 
B) It will be greater than the moist adiabatic rate and greater than dry adiabatic rate. 
C) It will be less than the moist adiabatic rate and greater than the dry adiabatic rate. 
D) It will be greater than the moist adiabatic rate and less then the dry adiabatic rate. 
A) It will be less than the moist adiabatic rate and less than the dry adiabatic rate. 
B) It will be greater than the moist adiabatic rate and greater than dry adiabatic rate. 
C) It will be less than the moist adiabatic rate and greater than the dry adiabatic rate. 
D) It will be greater than the moist adiabatic rate and less then the dry adiabatic rate.

Question 12

-If the environmental lapse rate in the figure above is 8°C/km, at what altitude will the air parcel become warmer than its environment?

Accepted Answer

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

Question 13

Suppose you observe lenticular clouds that appear to be motionless. Is the air in the vicinity of the cloud motionless? Explain.

Accepted Answer

The answer of Suppose you observe lenticular clouds that appear...

Question 14

Which of the following terms refers to clouds such as alt°Cumulus and cirr°Cumulus that develop vertical, tower-like extensions?

Accepted Answer

A) castellanus 
B) rotors 
C) billows 
D) pileus 
A) castellanus 
B) rotors 
C) billows 
D) pileus

Question 15

Under what conditions can a cloud form when air is sinking?

Accepted Answer

The answer of Under what conditions can a cloud form...

Question 16

Which of the following surface conditions produces a cumulus cloud with the lowest base?

Accepted Answer

A) air temperature 32°C and dew point 4°C 
B) air temperature 32°C and dew point -7°C 
C) air temperature 32°C and dew point 10°C 
D) air temperature 32°C and dew point 16°C 
A) air temperature 32°C and dew point 4°C 
B) air temperature 32°C and dew point -7°C 
C) air temperature 32°C and dew point 10°C 
D) air temperature 32°C and dew point 16°C

Question 17

-Which of the following conditions is the most stable?

Accepted Answer

A)  C per km environmental lapse rate 
B) isothermal conditions 
C) an inversion 
D)  C per km environmental lapse rate 
A)  C per km environmental lapse rate 
B) isothermal conditions 
C) an inversion 
D)  C per km environmental lapse rate

Question 18

Which of the following terms refers to the type of instability that °Ccurs when unsaturated stable air is lifted to a level where it becomes saturated and unstable?

Accepted Answer

A) forced instability 
B) convective instability 
C) baroclinic instability 
D) conditional instability 
A) forced instability 
B) convective instability 
C) baroclinic instability 
D) conditional instability

Question 19

Which of the following terms refers to wavelike clouds that look like water breaking along a shore?

Accepted Answer

A) cloud streets 
B) mammatus clouds 
C) billow clouds 
D) pileus clouds 
A) cloud streets 
B) mammatus clouds 
C) billow clouds 
D) pileus clouds

Question 20

Which of the following cloud types most likely forms in absolutely stable air?

Accepted Answer

A) stratus 
B) cumulonimbus 
C) cumulus congestus 
D) altocumulus 
A) stratus 
B) cumulonimbus 
C) cumulus congestus 
D) altocumulus

-Which of the following gives an example of orographic clouds?

Which of the following surface conditions produces a convective cumulus cloud with the highest base?

Which of the following defines the dry adiabatic lapse rate?

Which of the following conditions, working together, make the atmosphere most stable?

-A cloud must have formed at which of the following altitudes?

Suppose you take a trip during the summer from Ontario to Alberta. Which of the following describes the afternoon cumulus clouds you likely observe as you travel west?

Which of the following gives the height of the base of a cumulus cloud when the surface air temperature is 45°C and the dew point is 25°C?

Explain why the surface air on the downwind side of a mountain can be drier than the surface air on the upwind side. What is this effect called? Can you think of a l°Cation in Canada where this might °Ccur?

Which of the following terms refers to the temperature of an air parcel that is moved to a pressure of 1000 hPa at the dry adiabatic rate?

Cumulonimbus clouds indicate unstable atmospheric conditions. What stops the upward growth and causes the top of a cumulonimbus cloud to flatten out into an anvil?

Which of the following statements describes the environmental lapse rate in a conditionally unstable atmosphere?

-If the environmental lapse rate in the figure above is 8°C/km, at what altitude will the air parcel become warmer than its environment?

Suppose you observe lenticular clouds that appear to be motionless. Is the air in the vicinity of the cloud motionless? Explain.

Which of the following terms refers to clouds such as alt°Cumulus and cirr°Cumulus that develop vertical, tower-like extensions?

Under what conditions can a cloud form when air is sinking?

Which of the following surface conditions produces a cumulus cloud with the lowest base?

-Which of the following conditions is the most stable?

Which of the following terms refers to the type of instability that °Ccurs when unsaturated stable air is lifted to a level where it becomes saturated and unstable?

Which of the following terms refers to wavelike clouds that look like water breaking along a shore?

Which of the following cloud types most likely forms in absolutely stable air?

Earth and Its Atmosphere

Energy: Warming Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation: Dew, Fog, and Clouds

Precipitation

Air Pressure and Winds

Wind: Small-Scale and Local Systems

Wind: Global Systems

Air Masses and Fronts

Middle-Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Filters

Exam 6: Stability and Cloud Development

-Which of the following gives an example of orographic clouds?

Which of the following surface conditions produces a convective cumulus cloud with the highest base?

Which of the following defines the dry adiabatic lapse rate?

Which of the following conditions, working together, make the atmosphere most stable?

-A cloud must have formed at which of the following altitudes?

Suppose you take a trip during the summer from Ontario to Alberta. Which of the following describes the afternoon cumulus clouds you likely observe as you travel west?

Which of the following gives the height of the base of a cumulus cloud when the surface air temperature is 45°C and the dew point is 25°C?

Explain why the surface air on the downwind side of a mountain can be drier than the surface air on the upwind side. What is this effect called? Can you think of a l°Cation in Canada where this might °Ccur?

Which of the following terms refers to the temperature of an air parcel that is moved to a pressure of 1000 hPa at the dry adiabatic rate?

Cumulonimbus clouds indicate unstable atmospheric conditions. What stops the upward growth and causes the top of a cumulonimbus cloud to flatten out into an anvil?

Which of the following statements describes the environmental lapse rate in a conditionally unstable atmosphere?

-If the environmental lapse rate in the figure above is 8°C/km, at what altitude will the air parcel become warmer than its environment?

Suppose you observe lenticular clouds that appear to be motionless. Is the air in the vicinity of the cloud motionless? Explain.

Which of the following terms refers to clouds such as alt°Cumulus and cirr°Cumulus that develop vertical, tower-like extensions?

Under what conditions can a cloud form when air is sinking?

Which of the following surface conditions produces a cumulus cloud with the lowest base?

-Which of the following conditions is the most stable?

Which of the following terms refers to the type of instability that °Ccurs when unsaturated stable air is lifted to a level where it becomes saturated and unstable?

Which of the following terms refers to wavelike clouds that look like water breaking along a shore?

Which of the following cloud types most likely forms in absolutely stable air?

Earth and Its Atmosphere

Energy: Warming Earth and the Atmosphere

Seasonal and Daily Temperatures

Atmospheric Humidity

Condensation: Dew, Fog, and Clouds

Precipitation

Air Pressure and Winds

Wind: Small-Scale and Local Systems

Wind: Global Systems

Air Masses and Fronts

Middle-Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Filters