Fronts and Pressure Systems Draw/Color Air Mass Illustration the Map Type of Weather it Causes Symbol *cold air mass moves in Cold Front under warm air mass *causes sudden changes in weather with storms *colder and dry air comes after storms *fast moving warm air moves Warm in behind cold air mass Front *brings long periods of rain and clouds *warmer and more humid air comes after rain *warm air and cold air meet Stationary but neither can move Front *long periods of rain, clouds, and fog *warm air mass is trapped Occluded between two cold air masses Front *brings precipitation Low *warm air rises and spins L Pressure counter-clockwise “cyclones” *brings stormy weather
Fronts and Pressure Systems Air Mass Illustration Draw/Color the Map Symbol Type of Weather it Causes Cold Front *cold air mass moves in under warm air mass *causes sudden changes in weather with storms *colder and dry air comes after storms Warm Front *fast moving warm air moves in behind cold air mass *brings long periods of rain and clouds *warmer and more humid air comes after rain Stationary Front *warm air and cold air meet but neither can move *long periods of rain, clouds, and fog Occluded Front *warm air mass is trapped between two cold air masses *brings precipitation Low Pressure “cyclones” L *warm air rises and spins counter-clockwise *brings stormy weather
notes_-_masses_and_fronts_answers.docx