weather variables
clouds
Weather patterns
Weather Patterns
forecasts
100
a force that a column of air exerts on the surface or air below it.
What is air pressure
100

puffy white clouds

What are cumulus

100

This pressure system forces air down, and causes clear skies, dry

What is a high pressure system

100
What type of front is associated with thunderstorms
What is a cold front
100

A weather balloon carries this up to the upper atmosphere

What is a radiosonde

200
The amount of water vapor in the air
What is humidity
200

Wispy, high altitude clouds

What are cirrus clouds

200

This pressure system forces air up, causing clouds to form

What is a low pressure system

200
when a boundary between two air masses forms this front occurs
What is a stationary front?
200

Instrument used to measure humidity and dewpoint

What is psychrometer

300
The temp. at which air is saturated.
What is dew point?
300
flat, low, layered clouds
What are stratus
300

What word describes air masses that develop over warm water

What is maritime tropical

300
As this front moves in it moves in and over cold air.
What is a warm front
300

Lines that connect points of equal air pressure

What is an isobar

400
water that falls from the atmosphere
What is precipitation?
400

clouds with parrellel bands 

Altocumulus

400
What air masses come up from the gulf of Mexico?
What is maritime tropical
400
The final stage of a thunderstorm is the _________
What is the dissipation stage
400

These 

What is a 

500
The amount of water in the air compared to what the air can hold
What is relative humidity
500
A thunderhead cloud
What is a cumulonimbus cloud
500

What air masses that cold and dry

What is Continental Polar & Continental Artic

500
A category one hurricane must have winds over..........
What is 119 km/hr
500
The two numbers on the left of the station model describe the __________ and __________
What is temp. and dew point temp.