Understanding atmospheric pressure is vital, newsroom meteorologist Justin Ballard said, because those giant H’s and L’s representing high and low air pressure systems on a weather map are ...

The freeze last week has a weather term for it that was coined by a Texas A&M scientist back in 1976. It's called the "McFarland Signature." ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

There are lots of great air pressure demonstrations around, but a leaky water bottle is one of the simplest. It looks impressive and costs almost nothing.

High pressure and the polar vortex A massive ... the “conveyor belt” of fast-moving air in the upper atmosphere, further kicked the cold air into motion. With the jet stream so high to the ...

Cold air from the arctic sometimes dips southward across the American plains. What to know about the polar vortex.