JACKSONVILLE, Fla. – High and low-pressure systems are something that I show on my weather map almost DAILY! They basically even out the unequal heating from the sun. They influence common ...

When you look at the maps you can also see frontal systems, most frontal boundaries are tied to low-pressure systems. Fronts on a weather map indicate a lot of things, mostly temperatures change ...

LOUISVILLE, Ky. — Today's "Weather-Wise" lesson is about high and low pressure systems. Have you ever looked at a weather map and thought, "I see a lot of H's and L's, but what do those actually ...

On weather maps, a ‘high’ (high pressure system) represents an area, usually at least a few hundred miles across, in which air pressure readings are everywhere greater than at all surrounding ...

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 "L" on the weather map indicates a low-pressure system. They spin in a counterclockwise direction in the Northern Hemisphere and have air parcels that converge toward the center of the low.

3. Storm factor: This distinction plays an outsize role in determining whether storms form.When moisture warms, it rises. When unchecked, as in a low pressure system, moisture cools as it reaches ...

So, despite the fact that high pressure systems traditionally yield pleasant, sunny weather, there are many cases in which they can enhance or create an undesirable to potentially life-threatening ...

A high-pressure system that brought a historical heat wave earlier this month has reversed course and is tapping on the region's window again, according to the National Weather Service.

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 ...