Question 1

Compared to an mP air mass, mT air is

Accepted Answer

A) warmer and windier. 
B) warmer and moister. 
C) colder and calmer. 
D) colder and moister. 
E) warmer and drier. 
A) warmer and windier. 
B) warmer and moister. 
C) colder and calmer. 
D) colder and moister. 
E) warmer and drier.

Question 2

Describe some of the changes in weather conditions (winds, temperature, clouds, precipitation, pressure changes)you would expect to observe as a cold front approaches and passes through your location.

Accepted Answer

Some of the weather changes would be sha

Question 3

You are in upstate New York and observe the wind shift from easterly to southerly. This shift in wind is accompanied by a sudden rise in both the air temperature and dew-point temperature. This means a(n)____ front passed.

Accepted Answer

A) cold 
B) occluded cold 
C) stationary 
D) dryline 
E) warm 
A) cold 
B) occluded cold 
C) stationary 
D) dryline 
E) warm

Question 4

As the temperature contrast across a front lessens, the front will often weaken and dissipate. Such a condition is known as ____________________.

Accepted Answer

The answer of As the temperature contrast across a front...

Question 5

What type of weather front would likely be responsible for the following weather forecast? "Light rain and cold today with temperatures just above freezing. Southeasterly winds shifting to westerly tonight. Turning colder with rain becoming mixed with snow, then changing to snow."

Accepted Answer

A) Dryline 
B) Warm front 
C) Cold-type occluded front 
D) Warm-type occluded front 
E) Stationary front 
A) Dryline 
B) Warm front 
C) Cold-type occluded front 
D) Warm-type occluded front 
E) Stationary front

Question 6

The central United States is a very good air mass source region.

Accepted Answer

A) True 
 B)False

Question 7

Alternating lines of blue and red on a surface weather chart indicate a(n)____.

Accepted Answer

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

Question 8

The word frontogenesis on a weather map would mean that ____.

Accepted Answer

A) a front is in the process of dissipating 
B) one front is about to overtake another front 
C) a front is regenerating or strengthening 
D) severe thunderstorms will form along a front 
E) a front is approaching 
A) a front is in the process of dissipating 
B) one front is about to overtake another front 
C) a front is regenerating or strengthening 
D) severe thunderstorms will form along a front 
E) a front is approaching

Question 9

What type of air mass would be responsible for persistent cold, damp weather with drizzle along the east coast of North America?

Accepted Answer

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

Question 10

At a warm front, the warm air ____.

Accepted Answer

A) rises and cools 
B) rises and warms 
C) sinks and cools 
D) sinks and warms 
E) does not move 
A) rises and cools 
B) rises and warms 
C) sinks and cools 
D) sinks and warms 
E) does not move

Question 11

Regions where air masses originate are known as ____________________.

Accepted Answer

The answer of Regions where air masses originate are known...

Question 12

Lake-effect snows are best developed around the Great Lakes during ____.

Accepted Answer

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

Question 13

During the winter as you travel toward a warm front, the most likely sequence of weather you would experience is ____.

Accepted Answer

A) snow, freezing rain, hail, and sleet 
B) rain, snow, sleet, freezing and rain 
C) freezing rain, snow, sleet, and rain 
D) snow, sleet, freezing rain, and rain 
E) hail, sleet, freezing rain, and snow 
A) snow, freezing rain, hail, and sleet 
B) rain, snow, sleet, freezing and rain 
C) freezing rain, snow, sleet, and rain 
D) snow, sleet, freezing rain, and rain 
E) hail, sleet, freezing rain, and snow

Question 14

A good air mass source region is generally flat and of uniform composition with light surface winds.

Accepted Answer

A) True 
 B)False

Question 15

Cold fronts are colored purple on a weather map.

Accepted Answer

A) True 
 B)False

Question 16

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 17

Explain the cause and processes behind lake-effect snows.

Accepted Answer

During the late autumn and winter months

Question 18

What type of front will most likely pass the area when the weather forecaster states "Light rain and cold today, with temperatures just above freezing. Southeasterly winds shifting to westerly tonight. Turning colder with rain becoming heavy and possibly changing to snow."

Accepted Answer

A) Cold occluded front 
B) Dryline 
C) Warm occluded front 
D) Warm front 
E) Stationary front 
A) Cold occluded front 
B) Dryline 
C) Warm occluded front 
D) Warm front 
E) Stationary front

Question 19

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 develope

Question 20

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

Accepted Answer

A) True 
 B)False

Compared to an mP air mass, mT air is

Describe some of the changes in weather conditions (winds, temperature, clouds, precipitation, pressure changes)you would expect to observe as a cold front approaches and passes through your location.

You are in upstate New York and observe the wind shift from easterly to southerly. This shift in wind is accompanied by a sudden rise in both the air temperature and dew-point temperature. This means a(n)____ front passed.

As the temperature contrast across a front lessens, the front will often weaken and dissipate. Such a condition is known as ____________________.

What type of weather front would likely be responsible for the following weather forecast? "Light rain and cold today with temperatures just above freezing. Southeasterly winds shifting to westerly tonight. Turning colder with rain becoming mixed with snow, then changing to snow."

The central United States is a very good air mass source region.

Alternating lines of blue and red on a surface weather chart indicate a(n)____.

The word frontogenesis on a weather map would mean that ____.

What type of air mass would be responsible for persistent cold, damp weather with drizzle along the east coast of North America?

At a warm front, the warm air ____.

Regions where air masses originate are known as ____________________.

Lake-effect snows are best developed around the Great Lakes during ____.

During the winter as you travel toward a warm front, the most likely sequence of weather you would experience is ____.

A good air mass source region is generally flat and of uniform composition with light surface winds.

Cold fronts are colored purple on a weather map.

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

Explain the cause and processes behind lake-effect snows.

What type of front will most likely pass the area when the weather forecaster states "Light rain and cold today, with temperatures just above freezing. Southeasterly winds shifting to westerly tonight. Turning colder with rain becoming heavy and possibly changing to snow."

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

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

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

Light, Color and Atmospheric Optics

Filters

Exam 11: Air Masses and Fronts

Compared to an mP air mass, mT air is

Describe some of the changes in weather conditions (winds, temperature, clouds, precipitation, pressure changes)you would expect to observe as a cold front approaches and passes through your location.

You are in upstate New York and observe the wind shift from easterly to southerly. This shift in wind is accompanied by a sudden rise in both the air temperature and dew-point temperature. This means a(n)____ front passed.

As the temperature contrast across a front lessens, the front will often weaken and dissipate. Such a condition is known as ____________________.

What type of weather front would likely be responsible for the following weather forecast? "Light rain and cold today with temperatures just above freezing. Southeasterly winds shifting to westerly tonight. Turning colder with rain becoming mixed with snow, then changing to snow."

The central United States is a very good air mass source region.

Alternating lines of blue and red on a surface weather chart indicate a(n)____.

The word frontogenesis on a weather map would mean that ____.

What type of air mass would be responsible for persistent cold, damp weather with drizzle along the east coast of North America?

At a warm front, the warm air ____.

Regions where air masses originate are known as ____________________.

Lake-effect snows are best developed around the Great Lakes during ____.

During the winter as you travel toward a warm front, the most likely sequence of weather you would experience is ____.

A good air mass source region is generally flat and of uniform composition with light surface winds.

Cold fronts are colored purple on a weather map.

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

Explain the cause and processes behind lake-effect snows.

What type of front will most likely pass the area when the weather forecaster states "Light rain and cold today, with temperatures just above freezing. Southeasterly winds shifting to westerly tonight. Turning colder with rain becoming heavy and possibly changing to snow."

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

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

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

Light, Color and Atmospheric Optics

Filters