+WPO/+EPO/-PNA/-NAO configurations like this one strongly favor cold air damming in the Carolinas.

I.e. if this pattern comes to fruition, there's probably a decent chance for ice in climo favored areas of the far NW piedmont of NC in late Dec/very early Jan.#ncwx pic.twitter.com/JcpGv3H22N

— Eric Webb (@webberweather) December 21, 2020