AUSTIN (KXAN) – Meteorologists classify air masses based on their humidity and temperature. The location of an air mass is a key factor in determining its humidity. Air masses that form over ...

The US Air Force is planning a large-scale exercise ... repeatedly test how quickly and effectively their militaries could ...

It will then start to move bringing those characteristics with it. Air masses never mix. Our weather is determined by which air mass is most dominant at that time. This is one of the reasons why ...

An Arctic air mass, sometimes known as a Siberian Express, is expected to move over Michigan by Sunday and will leave Michigan residents with below-zero temperatures for days, the National Weather ...

Snow, sleet and freezing rain are set to fall across parts of southern Texas, southern Georgia and northern Florida as the storm heads east Tuesday.

The next weather feature for the region will be the arrival of bitterly cold arctic air. Tonight, there is enough moisture left in the lower levels of the atmosphere from previous snow days that we ...