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Snow & Freezing Rain Expected Across Western and Central NC Sunday Morning

Winter Weather Advisories have been issued for much of western and central North Carolina in anticipation for snow and freezing rain on Sunday morning.

Areas shaded in purple are under a Winter Weather Advisory for Sunday morning. Most of the advisories are set to expire at 10:00 a.m. on Sunday morning.

At the surface, a pocket of cold air will settle in tonight and remain through the morning hours Sunday. Aloft, warm air will ride up and over the cold air at the surface, which will allow rain to develop across the Carolinas.

With freezing temperatures at the surface, a wintry mix is expected. The precipitation may start as snow, especially across the mountains, before quickly changing to freezing rain in the early morning hours Sunday.

The good news is warm air advection through the morning hours will help to erode the cold air at the surface. Most areas will have changed to a cold rain by noon on Sunday, with the only exception across parts of the foothills.

The NAM computer model shows the freezing rain on the simulated radar tomorrow morning. I believe the NAM is a little to quick in warming most of the foothills above freezing. I expect most foothill locations to remain below freezing through the morning hours Sunday.

Ice is expected to accumulate from this event. The image below is from the NAM computer model, and you can see most areas will receive over a tenth of an inch of freezing rain across the foothills and western piedmont.

The National Weather Service Greenville Spartanburg has issued their official forecast, and it matches model data pretty well. Most areas receive over a tenth of an inch of freezing rain, with the highest amounts over the foothills and Catawba Valley.

With accumulating ice expected, travel is expected to be difficult on Sunday morning. Motorist are encouraged to stay at home unless you must travel. Travel conditions should improve Sunday afternoon as temperatures rise above freezing, but bridges and overpasses will be the last to thaw.

I will keep you updated with any changes to the forecast on my Facebook page, WxJordan.

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