Question 1

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Refer to the above surface weather map.
-At which of the following positions is the sky most likely clearing?

Accepted Answer

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

Question 2

On a weather map, which of the following types of fronts is drawn in blue and represents a region where colder air is replacing warmer air?

Accepted Answer

A) cold-type occluded front 
B) warm-type occluded front 
C) cold front 
D) warm front 
A) cold-type occluded front 
B) warm-type occluded front 
C) cold front 
D) warm front

Question 3

What type of clouds, if any, would form when a cP air mass moves across warm water? Are conditions any different when mT air moves across a cold land surface? Which types of clouds would form in this latter case?

Accepted Answer

When a cP (continental polar) air mass m

Question 4

Which of the following factors is the only one indicated on the station model of past weather conditions?

Accepted Answer

A) dew point 
B) temperature 
C) cloud cover 
D) pressure tendency 
A) dew point 
B) temperature 
C) cloud cover 
D) pressure tendency

Question 5

Which of the following terms refers to the rising of warm air up and over cold air?

Accepted Answer

A) overrunning 
B) frontolysis 
C) occlusion 
D) frontogenesis 
A) overrunning 
B) frontolysis 
C) occlusion 
D) frontogenesis

Question 6

Which of the following describes the changes to the warm air at a warm front?

Accepted Answer

A) It rises and cools. 
B) It sinks and cools. 
C) It rises and warms. 
D) It sinks and warms. 
A) It rises and cools. 
B) It sinks and cools. 
C) It rises and warms. 
D) It sinks and warms.

Question 7

At which of the following positions is falling pressure most likely observed?

Accepted Answer

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

Question 8

Which of the following describes the air conditions around a cold-type occluded front?

Accepted Answer

A) cold surface air behind it 
B) warm surface air behind it 
C) cold air rising above warmer air 
D) cold surface air ahead of it 
A) cold surface air behind it 
B) warm surface air behind it 
C) cold air rising above warmer air 
D) cold surface air ahead of it

Question 9

Which of the following types of air masses is mainly responsible for hot, dry summer weather in southern Arizona?

Accepted Answer

A) cP 
B) mP 
C) mT 
D) cT 
A) cP 
B) mP 
C) mT 
D) cT

Question 10

Which of the following statements gives the main reason why the wintertime mP air masses are less common along the North American Atlantic coast than along the Pacific coast?

Accepted Answer

A) The water is warmer along the Atlantic coast. 
B) The prevailing winds aloft are westerly. 
C) The source region for mP air on the Atlantic coast is western Europe. 
D) The water is colder along the Pacific coast. 
A) The water is warmer along the Atlantic coast. 
B) The prevailing winds aloft are westerly. 
C) The source region for mP air on the Atlantic coast is western Europe. 
D) The water is colder along the Pacific coast.

Question 11

During the course of a day, the afternoon was sunny and warm while rain showers occurred in the evening. This was followed by clear skies and a drop in temperatures that night. Which of the following had most likely passed through that day?

Accepted Answer

A) warm front 
B) cold front 
C) dryline 
D) stationary front 
A) warm front 
B) cold front 
C) dryline 
D) stationary front

Question 12

In British Columbia, which of the following types of air masses is mainly responsible for heavy rain and snow?

Accepted Answer

A) cP 
B) cA 
C) mP 
D) mT 
A) cP 
B) cA 
C) mP 
D) mT

Question 13

Which of the following conditions characterize a cP air mass?

Accepted Answer

A) cold and moist 
B) warm and moist 
C) warm and dry 
D) cold and dry 
A) cold and moist 
B) warm and moist 
C) warm and dry 
D) cold and dry

Question 14

Which of the following types of air masses is mainly responsible for hot, muggy summer weather in southern Ontario?

Accepted Answer

A) cT 
B) mP 
C) cP 
D) mT 
A) cT 
B) mP 
C) cP 
D) mT

Question 15

During which of the following conditions do lake-effect snows best develop around the Great Lakes?

Accepted Answer

A) late fall and early winter when moist, polar air sweeps in from the east 
B) early spring when moist, tropical air moves over the frozen lakes 
C) late fall and early winter when cold, dry, polar air moves over the relatively warm water 
D) middle winter when the unseasonably warm air mass moves over the cold water 
A) late fall and early winter when moist, polar air sweeps in from the east 
B) early spring when moist, tropical air moves over the frozen lakes 
C) late fall and early winter when cold, dry, polar air moves over the relatively warm water 
D) middle winter when the unseasonably warm air mass moves over the cold water

Question 16

-If the above diagram represents a front in the southern hemisphere, which of the following is a correct statement about front A? ​

Accepted Answer

A) It is a cold front moving toward the north. 
B) It is a cold front moving toward the south. 
C) It is a warm front moving toward the north. 
D) It is a warm front moving toward the south. 
A) It is a cold front moving toward the north. 
B) It is a cold front moving toward the south. 
C) It is a warm front moving toward the north. 
D) It is a warm front moving toward the south.

Question 17

Suppose a weather forecast states the following: Increasing cloudiness and warm today, with the possibility of showers by this evening; turning much colder tonight; winds southwesterly, becoming gusty and shifting to northwesterly by tonight. Which of the following types of weather fronts would be responsible for this forecast?

Accepted Answer

A) cold front 
B) stationary front 
C) cold-type occluded front 
D) warm front 
A) cold front 
B) stationary front 
C) cold-type occluded front 
D) warm front

Question 18

Which of the following types of fronts is represented by alternating lines of blue and red on a surface weather map?

Accepted Answer

A) cold front 
B) warm front 
C) stationary front 
D) occluded front 
A) cold front 
B) warm front 
C) stationary front 
D) occluded front

Question 19

Which of the following explains why thunderstorms along cold fronts are more severe than thunderstorms along warm fronts?

Accepted Answer

A) Uplift is more rapid along cold fronts. 
B) Cold air has a greater capacity for moisture. 
C) Cold fronts move more slowly than warm fronts. 
D) There is greater turbulence ahead of cold fronts due to the higher air pressure. 
A) Uplift is more rapid along cold fronts. 
B) Cold air has a greater capacity for moisture. 
C) Cold fronts move more slowly than warm fronts. 
D) There is greater turbulence ahead of cold fronts due to the higher air pressure.

Question 20

Which of the following statements describes how a true cold front is represented on a weather map?

Accepted Answer

A) It is always followed by cooler air. 
B) It is always followed by drier air. 
C) It is always associated with precipitation. 
D) It is always associated with a wind shift. 
A) It is always followed by cooler air. 
B) It is always followed by drier air. 
C) It is always associated with precipitation. 
D) It is always associated with a wind shift.

Refer to the above surface weather map. -At which of the following positions is the sky most likely clearing?

On a weather map, which of the following types of fronts is drawn in blue and represents a region where colder air is replacing warmer air?

What type of clouds, if any, would form when a cP air mass moves across warm water? Are conditions any different when mT air moves across a cold land surface? Which types of clouds would form in this latter case?

Which of the following factors is the only one indicated on the station model of past weather conditions?

Which of the following terms refers to the rising of warm air up and over cold air?

Which of the following describes the changes to the warm air at a warm front?

At which of the following positions is falling pressure most likely observed?

Which of the following describes the air conditions around a cold-type occluded front?

Which of the following types of air masses is mainly responsible for hot, dry summer weather in southern Arizona?

Which of the following statements gives the main reason why the wintertime mP air masses are less common along the North American Atlantic coast than along the Pacific coast?

During the course of a day, the afternoon was sunny and warm while rain showers occurred in the evening. This was followed by clear skies and a drop in temperatures that night. Which of the following had most likely passed through that day?

In British Columbia, which of the following types of air masses is mainly responsible for heavy rain and snow?

Which of the following conditions characterize a cP air mass?

Which of the following types of air masses is mainly responsible for hot, muggy summer weather in southern Ontario?

During which of the following conditions do lake-effect snows best develop around the Great Lakes?

-If the above diagram represents a front in the southern hemisphere, which of the following is a correct statement about front A?

Which of the following types of fronts is represented by alternating lines of blue and red on a surface weather map?

Which of the following explains why thunderstorms along cold fronts are more severe than thunderstorms along warm fronts?

Which of the following statements describes how a true cold front is represented on a weather map?

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

Middle-Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Filters

Exam 11: Air Masses and Fronts

​ ​ Refer to the above surface weather map. -At which of the following positions is the sky most likely clearing?

On a weather map, which of the following types of fronts is drawn in blue and represents a region where colder air is replacing warmer air?

What type of clouds, if any, would form when a cP air mass moves across warm water? Are conditions any different when mT air moves across a cold land surface? Which types of clouds would form in this latter case?

Which of the following factors is the only one indicated on the station model of past weather conditions?

Which of the following terms refers to the rising of warm air up and over cold air?

Which of the following describes the changes to the warm air at a warm front?

At which of the following positions is falling pressure most likely observed?

Which of the following describes the air conditions around a cold-type occluded front?

Which of the following types of air masses is mainly responsible for hot, dry summer weather in southern Arizona?

Which of the following statements gives the main reason why the wintertime mP air masses are less common along the North American Atlantic coast than along the Pacific coast?

During the course of a day, the afternoon was sunny and warm while rain showers occurred in the evening. This was followed by clear skies and a drop in temperatures that night. Which of the following had most likely passed through that day?

In British Columbia, which of the following types of air masses is mainly responsible for heavy rain and snow?

Which of the following conditions characterize a cP air mass?

Which of the following types of air masses is mainly responsible for hot, muggy summer weather in southern Ontario?

During which of the following conditions do lake-effect snows best develop around the Great Lakes?

-If the above diagram represents a front in the southern hemisphere, which of the following is a correct statement about front A? ​

Which of the following types of fronts is represented by alternating lines of blue and red on a surface weather map?

Which of the following explains why thunderstorms along cold fronts are more severe than thunderstorms along warm fronts?

Which of the following statements describes how a true cold front is represented on a weather map?

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

Middle-Latitude Cyclones

Weather Forecasting

Thunderstorms

Tornadoes

Hurricanes

Earths Changing Climate

Global Climate

Air Pollution

Filters

Refer to the above surface weather map. -At which of the following positions is the sky most likely clearing?

-If the above diagram represents a front in the southern hemisphere, which of the following is a correct statement about front A?