NASA’s announcement last week of an atmospheric shift over North America is generating heated debate among ... and temperature layer activity portending a profound shift in air mass interaction ...

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 polar vortex will soon elongate over North America with a dangerous ... that we have seen across North America since 2014 is on the way. An Arctic air mass from Siberia will plunge south ...

LAREDO, Tex. (KGNS) -A cool airmass crossing the Rockies into the northern Great Plains will reach into central Texas, possibly as far south as the Hill Country Friday night and Saturday before ...

This clash of air masses creates instability in the atmosphere. At the same time, winds at different altitudes blow at varying speeds and directions, causing the air to spin. As a thunderstorm ...