If you've watched a weather forecast and wondered what low pressure and high pressure systems are all about, we — and the ...

I'm sure you've heard meteorologists refer to high and low pressure. As many of you know, the weather you are experiencing is heavily influenced by upper-level patterns, particularly high and low air ...

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 meaningless ...