Layers of the Atmosphere
Air Masses
Weather Fronts
Vocabulary
Severe Weather
Severe Weather part Duex
100
This decreases as altitude increases.
What is air pressure?
100
A huge body of air that influences weather.
What is an air mass?
100
The line between air masses.
What is a weather front?
100
A violent rotating column of air that stretches from a thunderstorm cloud to the ground.
What is a tornado?
100
This amount of water during a flood can knock a person off their feet.
What is six inches?
200
Weather occurs in this layer.
What is the troposphere?
200
A warm, dry air mass is also known as...
continental tropical
200
A warm air mass is overtaken by a fast-moving cold air mass.
What is a cold front?
200
Occurs when warm, moist air mixes with cool, dry air.
What is a tornado?
200
This is the most common type of severe weather (that we've studied) in Arizona.
What is a flash flood?
300
This layer of the atmosphere is the furthest away from the surface of the Earth.
What is the exosphere?
300
A measure of hotness or coldness.
What is temperature?
300
This weather front occurs when air masses meet but neither one is strong enough to move the other. 
What is a stationary front?
300
Large, powerful storm that occurs over large bodies of water
What is a hurricane?
300
A snow storm that lasts a long time and has high winds and lots of snow storm.
What is a blizzard?
400
Over half the air in the atmosphere is in this layer.
What is the troposphere?
400
The amount of water vapor in the air
What is humidity?
400
A slow-moving cold air mass is overtaken by a warm air mass.
What is a warm front?
400
Water overflow that is caused by a large amount of rainfall
What is a flood?
400
Forms when warm air rises over cold air. The warm and and cold air together form snow fall.
How is a blizzard formed?
500
This layer of the atmosphere contains the protective ozone layer.
What is the stratosphere?
500
This air mass comes from the ocean near Floridia.
What is maritime tropical
500
A weather front that involves three air masses.
What is an occluded front?
500
The part of a hurricane where there are no clouds and the wind is calm?
What is the eye?
500
Hurricane Katrina was this type of severe weather that devastated New Orleans.
What is a hurricane?
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