Air Masses

Air Masses 1

50

Scientists classify air masses according to ____________________ and ____________________.

What is humidity and temperature?

100

This air mass brings cool, humid weather to the West Coast of the United States.

What is maritime polar?

250

This hot, dry air mass forms mostly in summer over dry areas of the Southwest.

 What is tropical?

450

These four major types of air masses influence the weather in North America.

What are: Maritime tropical, maritime polar, continental tropical and continental polar air masses?

700

This air mass is forms over the ocean that is warm and moist.

What is a Maritime Tropical?

Air Masses 2

50

A huge body of air that has similar temperature, humidity, and air pressure at any given height is called _________.

What is an air mass?

100

This mass has high air pressure.

What is Polar air masses?

250

This type of air mass forms over land and has cold temperatures and dry humidity.

What is Continental Polar

450

This band of high-speed wind above Earth’s surface is called?

What is a jet stream?

700

These global winds are weak and irregular.

What are Polar Easterlies?

Air Masses 3

50

The area where two air masses meet.

What is a front?

100

In the continental United States, major wind belts generally push air masses from ________________________ to ________________________.

What is west to east?

250

This happens with the wind when the Earth doesn't rotate.

What is wind that moves in a straight line?

450

This type of extreme weather forms over WARM water.

What is a hurricane?

700

This kind of weather is caused by high pressure system.

What are clear/sunny skies?

Fronts

50

A cold air mass overtakes a warm air mass.

What is a cold front?

100

Cold and warm air masses meet, but neither one can move the other.

What is a stationary front?

250

Warm air mass is caught between two cooler air masses.

What is an occluded front?

450

__________ __________ tend to move quickly, they can cause abrupt weather changes, including thunderstorms.

What are cold fronts?

700

If a stationary front remains stalled over an area, it may bring many days of ____________ and ____________.

What are clouds and precipitation?

Random(Wild)

50

A _________ is a scientist who studies the weather.

 What is a meteorologist?

100

This is an area where air masses meet and do not mix.

What is a front?

250

This is made up of low level clouds.

What is water vapor?

450

This happens in the center of a low pressure system.

What is warm air that rises?

700

They're 3 different types of global winds.

What are polar easterlies, prevailing westerlies, and trade winds?