Continental Arctic Air-mass
Continental arctic air mass is known for its very frigid and dry air. The most common place in the United States to find this air mass is in Alaska. However, in the coldest parts of the winter such as December and January along with early February it is not uncommon for this air mass to invade the Northern part of the United States.
This air mass is responsible for bringing with it temps that drop well below zero. Along with the cold temps the air is very dry and if people stay outside in it for long periods of time it can interact with their breathing creating a deep burning feeling in their lungs.
This air mass does loose it’s strength when it moves towards the southeast away from its source region. The air mass is represented with an area of High pressure on the weather map. It forms over the Northern part of Canada and Alaska and intensifies during the winter months becoming stronger.