Air Pressure
Air Movement
Clouds and precipitation
Storms
Winds
100
The weight of air above pushing down.
What is air pressure?
100
The movement of air.
What is wind?
100
When water droplets become too large to stay in clouds this is formed.
What is rain?
100
Severe snowstorms that last for hours or days.
What are blizzards.
100
Windless zone at the equator
What is doldrums
200
The instrument used to measure air pressure.
What is a barometer?
200
A narrow band of wind that occurs high in the atmosphere and travels at high speeds.
What is jet stream?
200
Precipitation comes in these four forms.
What are rain, snow, sleet, and hail.
200
Storms caused by the rapid upward movement of warm, moist air indicated by tall cumulus clouds.
What are thunderstorms.
200
Cold, dry winds
What are polar easterlies
300
Changes in the air that usually cause fair weather.
What is high pressure?
300
Areas of air that have roughly the same temperature and humidity.
What are air masses?
300
The cooling and rising of air forms these.
What are clouds.
300
Violent twisting storms with winds up to 400 mph.
What are tornadoes.
300
Blows toward the equator
What are trade winds
400
The movement of air is caused by these two factors.
What are heating and cooling of the air and Earth's rotation?
400
Winds that occur between 30 and 60 degrees latitude.
What are prevailing westerlies?
400
The largest and most destructive of all storms.
What are hurricanes?
400
This frequently passes through Chris.
What is wind.
500
Normal air pressure at sea level.
What is 15 pounds per square inch?
500
Winds caused by the heating and cooling of the air in a certain area.
What are local winds.
500
Created by upward movement of air.
What are doldrums
500
When two air masses meet.
What is a front.
500
They are responsible for most of the weather in North America.
What are prevailing westerlies.
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