||Air that is moving.
||A large body of air that has similar temperature and humidity throughout.
||Forms where a cold air mass moves under a warm air mass *often has severe weather*.
||Forms where a warm air mass moves over a cold air mass*light rain and snow showers*.
||A map that uses symbols to show weather data.
||The weight of the atmosphere pressing down on earth.
||The pattern of weather an area experiences over a long period of time.
||An area that has similar average temperatures and precipitation throughout
||An imaginary line around earth, equally distant from the north and south pole.