The first impacts from a low pressure system were seen in the Wilmington area early Thursday morning. Rainfall is expected throughout most of Thursday as well as a thunderstorm, according to the ...

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 ...

The FOX Forecast Center said that heavy snow is possible from Kansas City, Missouri to Chicago and Detroit in the Great Lakes region by Wednesday night as the area of low pressure rapidly strengthens.

The tendency for air to move from an area of high pressure to an area of low pressure is called the pressure gradient force (PGF). Now if the earth didn’t rotate about its axis the wind would ...

A northeastward-moving center of low pressure will pass just to the west of Chicago around midday, reaching the middle of Lake Michigan this afternoon and northern Lower Michigan later this evening.

The "H" on the map means high pressure and the "L" on the map means low pressure. The red lines are warm fronts and the blue lines are the cold fronts.