Winter storm forecast to dump snow from Florida to Carolinas

SAVANNAH, Ga. — Brutal winter weather that's brought subzero temperatures to parts of the U.S. is threatening to dump snow and ice across parts of the South that rarely see flurries, much less accumulation.The National Weather Service said a wintry mix of snow and freezing rain was expected Wednesday mainly along the Atlantic seaboard from Florida to North Carolina. It warned that icy roads and low visibility could make driving treacherous across the region.In Savannah, a coastal city that