Polar Vortex Splits Into U.S.-Chilling Rings
The polar vortex—the swirling winds above the arctic—has fractured into three rings that will spread freezing temperatures through the eastern U.S. in late January. What do you think?
The polar vortex—the swirling winds above the arctic—has fractured into three rings that will spread freezing temperatures through the eastern U.S. in late January. What do you think?