A potentially "catastrophic" ice storm is underway across the South, with tens of thousands already without power and thousands more likely to lose electricity. The hardest-hit states look to be Georgia and South Carolina, where at least an inch of ice is expected to coat trees and power lines.
The storm is expected to intensify and move up the East Coast through the end of the week, bringing snow and rain to Washington, Philadelphia, New York and Boston.
We will be covering the winter storm live here all day. See below for the latest news...