Another blast of winter storms is closing schools, snarling flights and putting millions of residents on alert across parts of the Deep South and south-central U.S. The National Weather Service says heavy snowfall and icy conditions are likely Friday in Mississippi,

Twenty states, from Texas to Delaware, were on alert Friday for snow and ice as the storm continued to move across the South.

The National Weather Service has issued a winter storm warning for many areas of Georgia. Here's a look at the forecast and what agencies are doing.