According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...
Above-average temperatures are in the weather ... 1991-2020, NOAA says, "More areas experienced decreases in their chances of a white Christmas than experienced increases." The NOAA map below ...