Winter in the Mid-Atlantic region is certainly winding down, and March is always an unpredictable month. Early next week, a fast-moving Alberta Clipper is forecast to bring yet another round of wintry weather to the region before a spring warm-up arrives by mid-month. Marko Korosec, lead forecaster at SWE, wrote in a new weather note that the Alberta Clipper is set to spread snow, ice, and freezing rain from the Midwest to the Mid-Atlantic beginning Sunday and continuing through Tuesday. Korosec continued: A new winter storm will set the stage…