Types Of Air Masses Flashcards

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1
Q

Cold air masses come from

A

Polar areas

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2
Q

Warm air masses come from

A

Tropical areas

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3
Q

What are air masses that form over the ocean called

A

Maritime

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4
Q

Air masses that form overland are called

A

Continental

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5
Q

Name three large landmass is over which continental air masses form

A

Northern Canada, Northern Asia, and the southwestern United States

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6
Q

What weather conditions do continental air mass is generally bring when they move into a region

A

They bring dry weather condition

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7
Q

Name and describe the two types of continental air masses

A

Continental polar air masses are cold and dry. Continental tropical air masses are warm and dry.

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8
Q

How do air masses that form over the ocean differ from continental air masses

A

The humidity in the these air masses tend to be higher than that of continental air masses

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9
Q

What weather conditions do maritime air masses generally bring when they move to a new location

A

They bring precipitation and fog

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10
Q

Name and describe the two types of maritime air masses

A

Maritime polar air masses are moist and cold. Maritime tropical air masses are moist and warm

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11
Q

List the four types an air masses that affect the weather of North America, and list their six source location

A

Continental polar – Canada maritime polar– Polar pacific,polar atlanticcon continental tropical – United States Southwest maritime tropical – tropical Pacific, tropical Atlantic

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12
Q

What type of the weather does air mass usually bring

A

The weather of it’s source location

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13
Q

What may happen to an air region as it moves away from its source region

A

It may change. For example cold dry air may become warmer and more moist as it moves from land to a warm ocean

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14
Q

What develops when cold dry air becomes warm and moist

A

Clouds and precipitation

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15
Q

Describe the weather brought to the eastern United States by maritime tropical air masses that form over the tropical Atlantic ocean

A

They bring mild often cloudy weather in the winter

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16
Q

How does the weather brought to the Pacific coast of the United States by maritime tropical air masses that form over the tropical Pacific ocean differ between the summer and winter

A

Summer – human hot weather. Winter – moderate precipitation

17
Q

Explain where continental polar air masses generally originate, where they moved, and the type of whether they bring

A

They form over are you still in snow-covered land.they moved to the northern United States and can reach as far south as the gold coast of the US. In the summer they bring cold,dry weather. In winter,they bring cold weather to northern US. They come from northern Canada and northern pacific and Atlantic Ocean.

18
Q

Describe maritime polar air masses that form over the North Pacific ocean in the type in whether they bring

A

They are very moist but not as cold as continental Canadian polar air masses

19
Q

How do you continental polar Canadian air masses differ from the polar air masses that form over North Pacific ocean

A

Maritime polar air masses are not as cold as continental polar Canadian air masses

20
Q

How do maritime polar Atlantic air masses differ in movement in weather conditions from the maritime Pacific air masses

A

Maritime polar Atlantic air masses move east toward europe but also West over new England in eastern Canada. In winter they bring cold cloudy weather and snow. In the summer these can produce cool weather,low clouds and fog.

21
Q

Air masses are classified according to

A

Source region