Met1010 test 2 434-475

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Which air mass forms over North America only in summer?

cT

What type of air mass would be responsible for hot, dry summer weather in southern Arizona?

cT

A maritime polar air mass that reaches the Pacific Coast is:

Cool, Moist, and Conditionally Unstable

During winter, easterly winds along the front range of the Rocky Mountains provide excellent conditions for:

upslope snow

Along the boundary between continental polar and maritime tropical air masses, ___is often found

widespread precipitation and strominess

On a weather map, the transition zone between two air masses with sharply contrasting properties is marked by:

a front

The word "frontogenesis" on a weather map would mean that

a front is regenerating or strengthening

Continental tropical air masses are typically found in:

northern Mexico and the southwestern US

Fronts are associated with:

low pressure

The only indication on the station model of past weather conditions is the

temperature

A drylines is:

a dew point front and a boundary marking a strong horizontal change in atmospheric moisture

An upper-air front involves downward motion of the:

tropopause

When comparing an "average" cold front to an "average" warm front, which of the following is NOT correct?

generally, precipitation covers a much broader area with a cold front

Alternating lines of blue and red on a surface weather chart indicate:

a stationary front

A stationary front does not move because:

the winds blow parallel to the front

A true cold front on a weather map is always:

followed by cooler air

Which of the following is NOT correct concerning a cold front?

it is colored purple on a weather map

On a weather map, this front, drawn in blue, represents a region where colder air is replacing warmer air:

cold front

Before the passage of a cold front the pressure normally falls, and after the passage of a cold front the pressure normally

rises

Squall lines most often form ahead of a

cold front

In winter, thunderstorms are most likely to form along:

cold fronts

A "back door" cold front moving through New England would most likely have winds shifting from ___ to ___

east; west

A "back door" cold front describes which of the following situations?

a cold front that moves into New England from the Atlantic Ocean

A cold front that moves into New England from the east or northeast is called

a "back door" cold front

Which of the following is NOT correct concerning a warm front?

it has warm air ahead (in advance) of it

A halo around the sun or moon indicates that rain may be on the way because the halo indicates:

a warm front may be approaching

A frontal inversion would probably be best observed

with a warm front in winter

In winter, which sequence of clouds would you most likely expect to observe as a warm front with precipitation approaches your location?

cirrus, cirrostratus, altostratus, nimbostratus

The rising of warm air up and over cold air is called

overrunning

At a warm front, the warm air

rises and cools

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

snow, sleet, freezing rain, rain

On a weather map where cold air is replacing cool air, what type of front is drawn?

cold-type occluded front

Occluded fronts may form as

a cold front overtakes a warm front

A cold-type occluded front:

has cold surface air behind it

What type of weather front would be responsible for the following weather forecast? "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."

cold front

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."

cold front

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."

warm front

What type of weather front would be responsible for the following weather forecast? "Cool today with rain becoming heavy by this afternoon. Slightly warmer tomorrow. Winds southeasterly becoming westerly to northwesterly by tomorrow morning."

warm-type occluded front

What type of weather front would 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."

cold-type occluded front

The polar front theory of a developing wave cyclone was conceived in

Norway

Which of the scientists below was not one of the meteorologists who helped develop the polar front theory of a developing wave cyclone?

C.G Rossby

On a surface weather map that shows an open wave cyclone, the warm sector can be observed:

ahead of an advancing cold front

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