Officials warned residents across the South that the effects of a major winter storm were not over, and that driving remained a hazard on roads frozen with slippery ice.

Meteorologists were left speechless Tuesday as record amounts of snow fell along the Gulf Coast. Here’s why it was so snowy.

A deep and powerful trough of cold air will drop south from Canada this week, sending temperatures plummeting from the western United States to the eastern seaboard and as far south as the Florida panhandle.