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.

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

If you opened the free WSB-TV Weather App on Sunday night, you may have noticed a lot of green on StormTracker 2 HD. No, it wasn’t rain. StormTracker 2 HD, the most powerful weather radar in the Southeast, captured flocks of birds moving across the skies.

Severe Weather Team 2 Meteorologist Brian Monahan received brand forecast data for Channel 2 Action News This Morning.