Air Masses Green/environment/Earth Day

Movement High to low pressure 3 convections cells Polar Cold/Dry Tropical Warm/Moist

Types of Masses Maritime (m) Continental (c) Polar (P) Tropical (T) Form over water Continental (c) Form over land Polar (P) Cold air mass Tropical (T) Warm air mass

North American Masses Polar Masses cP Canadian mP Pacific mP Atlantic SE winds, Cold, and Dry mP Pacific Moist, cool, and fog mP Atlantic Cold, cloudy, and wet

North American Masses Tropical Masses mT Atlantic mT Gulf cT Mexico Moist and cloudy mT Gulf Moist, hurricanes, and thunderstorms cT Mexico Clear, hot, and dry mT Pacific Heavy precipitation in winter