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 ...

However, that is due to the wind increasing from an approaching low. More on that in a moment. Aside from the haze today we should have some nice weather. High pressure is overhead.

Areas of high pressure are characterized by sinking air, which tends to warm and lead to sunny, pleasant weather. In low pressure areas, the air rises, cools and condenses into clouds, leading to ...

The weather roller coaster is starting to swing back from storms to heat today across southern Colorado. High pressure is ...

WASHINGTON — Rainy weather patterns often setup in D.C. Metro and sometimes the blame points to an upper level low pressure system. Sounds like a lot of science jargon that may have you ...

The Weather Authority has been dutifully monitoring a non-tropical area of low pressure along a boundary of low pressure, which continues to bring rain and storms to Southwest Florida.

While broad-scale upper-level patterns can help predict weather at the surface, there are also regions of high and low pressure lower in the atmosphere that develop at varying scales. For this ...

A bomb cyclone is a low-pressure system that drops in pressure by 24 millibars within 24 hours. Here's what Washingtonians can expect from the upcoming system.

The pattern looks to change for the middle of next week as a trough of low pressure moves in. This would set up a favorable pattern for thunderstorms in southwest Montana.

A map illustrates lines of surface pressure, called isobars, with areas of high and low pressure marked for March 14, 2025. Winds are strongest when isobars are packed closely together.

(This story has been updated to accurately reflect the most current information.) The first impacts from a low pressure system were seen in the Wilmington area early Thursday morning.