More than 170 million people are on alert for a brutal weekend storm that's going to bring dangerous ice and snow to the South, bitter cold to the Midwest, and snowfall to the Northeast.

A state of emergency is in effect across Tennessee as a massive winter storm begins to make its way through the region.

Meteorologist Dominic Ramunni of the National Weather Service said the storm was "on track" with earlier forecasts and could bring 8-12 inches to Northeast New Jersey, and as much as 12-18 inches in t...