Chapt 11 extra

Compared to a mP air mass, mT air is: a. warmer and moist. b. warmer and dry. c. colder and moist. d. colder and dry.

a

Fronts are associated with a. low pressure b. high pressure

a

Occluded fronts may form as: a. a cold front overtakes a warm front b. a warm front overtakes a cold front c. a cold front overtakes a squall line d. overrunning occurs along a warm front

a

One would expect a cP air mass to be: a. cold and dry. b. cold and moist. c. warm and dry. d. warm and moist.

a

Squall lines most often form ahead of a: a. cold front. b. warm front. c. cold-type occluded front. d. warm-type occluded front. e. stationary front.

a

The air mass with the highest actual water vapor content is ____. a. mT b. cT c. mP d. cP

a

The air mass with the highest actual water vapor content is: a. mT b. cT c. mP d. cP

a

The below diagram represents a side view of: http://imgur.com/ZBfS2cq a. a cold front. b. a warm front. c. an occluded front. d. a stationary front.

a

The rising of warm air up and over cold air is called: a. overrunning. b. frontolysis. c. frontogenesis. d. occlusion.

a

What type of air mass would be responsible for persistent cold, damp weather with drizzle along the east coast of North America? a. mP b. mT c. cP d. cT e. cA

a

What type of air mass would be responsible for persistent cold, damp weather with drizzle along the east coast of North America? a. mP b. mT c. cP d. cT e. cA

a

A good source region for an air mass would be: a. mountains with deep valleys and strong surface winds b. generally flat areas of uniform composition with light surface winds c. hilly with deep valleys and light winds d. generally flat area of uniform composition with strong surface winds

b

A stationary front does not move because: a. winds on both sides of the front are calm. b. the winds blow parallel to the front. c. the front is between high and low pressure. d. the winds blow against each other and are of equal strength.

b

Compared to an mP air mass, mT air is ____. a. warmer and drier b. warmer and moister c. colder and drier d. colder and moister

b

Continental polar (cP) and continental Arctic (cA) air masses: a. result in the formation of polar jet streams. b. originate over the ice-and snow-covered regions of the Arctic, northern Canada, and Alaska where long, clear nights allow for strong radiational cooling. c. occur multiple times annually. d. both a and b.

b

Cumuliform cloud development would be most likely in which of the following? a. cT air mass moving over a mountain range b. cP air mass moving over warm water c. mT air mass moving over cold land surface d. cT air mass moving over cold water

b

In an exceptionally cold winter during which the Great Lakes were entirely covered by ice, lake effect snows would be expected in extremely high frequency and intensity. a. true b. false

b

On a weather map, this front, drawn in blue, represents a region where colder air is replacing warmer air: a. warm front. b. cold front. c. cold-type occluded front. d. warm-type occluded front.

b

What type of weather front would be responsible for the following weather forecast? "Increasing high cloudiness and cold this morning. Clouds increasing and lowering this afternoon with a chance of snow or rain tonight. Precipitation ending tomorrow morning. Turning much warmer. Winds light easterly today becoming southeasterly tonight and southwesterly tomorrow." a. cold front b. warm front c. stationary front d. warm-type occluded front

b

Which air mass would show the most dramatic change in both temperature and moisture content as it moves over a large body of very warm water? a. cT in summer b. cP in winter c. mP in winter d. mT in summer

b

Wintertime mP air masses are less common along the Atlantic coast of North America than along the Pacific coast mainly because: a. the water is colder along the Pacific 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 warmer along the Atlantic coast e. the land is colder along the Atlantic coast

b

http://imgur.com/HZSiKDU Refer to Exhibit 11-2. Heavy snow would most likely be falling at position: a. 1. b. 2. c. 3. d. 4. Clearing skies are most likely at position: a. 1. b. 2. c. 3. d. 4. Which position is located in the warm sector? a. 1 b. 2 c. 3 d. 4

b, d, c

3. Which of the following statements is most plausible? a. In winter, cP source regions have higher temperatures than mT source regions. b. In summer, mP source regions have higher temperatures than cT source regions. c. In winter, cA source regions have lower temperatures than cP source regions. d. In summer, mT source regions have lower temperatures than mP source regions. e. They are all equally plausible.

c

Along the boundary between continental polar and maritime tropical air masses, ____ is often found. a. a large area of calm (extremely light wind) b. intense heat and drought c. widespread precipitation and storminess d. both a and c

c

Generally, the greatest lake effect snow fall will be on the ____ shore of the Great Lakes. a. northern b. southern c. eastern d. western

c

The temperature that unsaturated air would have if it moved from its original altitude to a pressure of 1000 mb is the _____. a) lake-effect snow b) wet bulb temperature c) potential temperature d) nor'easters

c

The word "frontogenesis" on a weather map would mean that: a. a front is in the process of dissipating b. one front is about to over take another front c. a front is regenerating or strengthening d. severe thunderstorms will form along a front

c

What type of air mass would be responsible for refreshing cool, dry breezes after a long summer hot spell in the Central Plains? a. mP b. mT c. cP d. cT

c

What type of air mass would be responsible for snow showers on the western slopes of the Rockies? a. mT b. cP c. mP d. cA

c

A moist, tropical air mass that is warmer than the surface over which it is moving is classified as: a. mP b. cT c. cA d. mT

d

A true cold front on a weather map is always: a. associated with precipitation b. associated with a wind shift c. followed by drier air d. followed by cooler air

d

An air mass is characterized by similar properties of ____ and ____ in any horizontal direction. a. temperature, pressure b. pressure, moisture c. winds, moisture d. temperature, moisture

d

The origin of cP and cA air masses that enter the United States is: a. Northern Siberia. b. Northern Atlantic Ocean. c. Antarctica. d. Northern Canada and Alaska.

d

The upper air flow on the map below would bring ____ air masses into western Canada and the United States, and ____ air masses into the eastern United States. http://imgur.com/SwJtz6U a. mP; mT b. cA; mP c. mP; cP d. cA; mT e. cT; mT

d

What type of air mass would be responsible for hot, dry summer weather in southern Arizona? a. mP b. mT c. cP d. cT

d

A dryline is a. a stalled cold front b. a stalled warm front c. a dew point front d. a boundary marking a strong horizontal change in atmospheric moisture e. both c and d

e

The coldest of all air masses is: a. mT b. mP c. cT d. cF e. cA

e