Blue
Purple
Pink
100

Amount of water vapor in the air

Humidity

100

Has cool temperatures and large amounts of rain or snow

Occluded Front

100

A tool used to measure the amount of water vapor in the air

Sling Psychrometer

200

An area of cooler air that causes happy high pressure weather

High Pressure

200

An area of warmer air that causes lousy low pressure weather

Low Pressure

200

A measure of force with which air molecules push on a surface

Air Pressure

300

Moves quickly and bring thunderstorms, heavy rain, or snow followed by cooler drier weather

Cold Front

300

Moves slowly and brings many days of drizzly rain followed by clear and warm weather

Warm front

400

Moves slowly because neither front has enough power to push the other out the way, brings many days of cloudy, wet weather

Stationary Front

400

The continuous recycling of water through evaporation, condensation, precipitation, and runoff

Water Cycle

500

Areas that have a higher pressure that moves towards areas of lower pressure in the direction opposite to Earth's rotation (clockwise)

Anticyclone

500

Areas that have a lower pressure than the surrounding areas and winds that spiral toward the center

Cyclone