Polar Vortex, cold weather

The United States is currently experiencing an intense cold front linked to the so-called Arctic “polar vortex”.  The icy air ...
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...
A lobe of the polar vortex, a stormy ring that typically keeps the coldest air locked up near the North Pole, will dip southward into the United States this weekend into next week. Polar air ...
the polar vortex can sometimes get out of balance. When it wobbles or weakens, chunks of that super cold air can spill out and slide south, making places like the United States suddenly feel ...
As the West Coast braces for fiery winds and the Northeast shivers under a polar vortex, the nation finds itself caught between two extreme weather fronts.
This will set the stage for widespread frigid conditions that will rival the notorious polar vortex episode of winter 2014. During January 2014, more than 140 million people in the United ...
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...