This index, from NOAA's National Weather Service, attempts to scale the impacts from winter weather, taking into account factors such as snowfall, accumulated snow on rooftops, ice accumulation, the potential for a flash freeze, and blowing snow. Not all factors are in play in a given winter storm.

Are we actually going to see snow this weekend? That’s the big question as the FOX 5 Storm Team tracks a winter weather system moving into Georgia.

Check out the latest radar images as a winter storm moves across North Carolina, South Carolina and Virginia.