Weather update from WTOC meteorologist John Wetherbee

February 22, 2013 

It won't rain all weekend, and we're not expecting winter weather or severe spring storms, but some thunder is expected.

It's expected to rain for about 48 to 55 hours, but Sunday should be dry. No urban flooding is expected, but there are some river flooding concerns in parts of Georgia.

A wedge of high pressure is locked in on the lee of the Appalachians with low clouds, northeast-east breezes and cooler temperatures. A stationary front surrounds that wedge, and Gulf moisture is overrunning that front. That's creating this afternoon's showers.

Tonight, the stationary front will be energized again. A warm front will sweep across the area, driving the wedge back into the Virginias as a high pressure system slides off the shore. That opens the door to the Gulf moisture and more rainfall with some thunder expected.

A new Gulf low pressure system will track behind the warm front on Saturday. It won't rain all day, and the highest chance of rain is after lunch.

The low pressure system will pull northeast Saturday night, setting up a dry Sunday.

Meteorologist John Wetherbee, CBM

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