A powerful winter storm, known as Cora, is impacting the southern United States, bringing heavy snow and sleet to various states, including Texas and the Carolinas. As the storm progresses, schools have closed or delayed classes across the region, with lists of affected districts being released. Flight cancellations are widespread, particularly in areas heavily hit by the storm. Emergency services are on high alert as states brace for potential snowfall of up to 12 inches in some regions. The situation continues to evolve, with forecasts indicating further wintry weather on the way.