The complexion of the winter storm later this week in the Carolinas is dependent on the placement of this wave (circled in🟠) over the MS Valley. The further it slows/amps into the Arkalatex/S. plains, the more mixed precip/ice there will be area-wide (& vis versa)#scwx #ncwx pic.twitter.com/8YLMyFhGQj

— Eric Webb (@webberweather) January 18, 2022