Air Masses Affecting Alaska
- Continental Arctic (cA): Originates over Arctic Ocean; very cold, dry. Dominant in winter.
- Continental Polar (cP): From northern North America; cold, moderate moisture. Common in spring/fall.
- Maritime Polar (mP): From North Pacific; cool, moist. Dominant in summer.
- Maritime Tropical (mT): From tropical Pacific; warm, moist. Rare, occasionally reaches southeast Alaska.
Wanderlust World