What Is An Air Mass and How Does It Affect Our Weather

During the Spring, we start to see some awfully wild weather and it all has to do with the changing of air masses. You may have heard the term air mass before but what exactly is an air mass. An air mass is an extremely large body of air whose temperature and humidity are fairly similar over a large part of an area (think the cold air that comes from Canada behind any given cold front). Regions where air masses originate are known as source regions. Air masses are usually classified according to their temperature and humidity. There are cold…