A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...
Winter is making its presence known in New York City, as the polar vortex is bringing brutally cold temperatures to the ...
A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades ... be held inside the United States Capitol Rotunda.
A blast of arctic air from Canada has brought the season's coldest weather to most of the United States. The system, known as a polar vortex, is forecast to bring subzero temperatures to the ...
Understanding the Polar Vortex The polar vortex is like a massive whirlpool of frigid air moving around our planet's poles.
A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of climate change.