ARCTIC PLUNGE: POLAR VORTEX LOCKS IN SNOW, ICE AND LIFE-THREATENING COLD BEHIND HISTORIC CROSS-COUNTRY STORMWinter Storm Warning have already been issued for all of North Carolina, much of South Carolina, Virginia, Tennessee and Georgia. North Carolina Governor Josh Stein has issued a State of Emergency in preparation for this weekend's snowstorm. Next winter threat(FOX Weather)NOR'EASTER: WHAT CAUSES THESE POWERFUL STORM SYSTEMS? A coastal low will be in the early stages of development, and snow will rapidly stretch across the higher terrain of Virginia, North Carolina, South Carolina and northern Georgia. Another conservative bet is widespread 5–8 inches of snow for southern Virginia, the majority of North Carolina and central South Carolina.