Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

A rare "daughter polar vortex" is set to plunge millions of Americans into freezing temperatures as a prolonged period of ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by treacherous conditions.

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Europe may be in for another cold blast like the one that surprised forecasters and sent gas prices soaring last week, with the potential weakening of winds that keep frigid air confined to the Arctic ...

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

The weather flow is gradually changing now and as we head into early February. Our storm systems will come from the west and ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

As temperatures plunge below zero in the coming days, law enforcement agencies across the state and medical healthcare professionals are advising residents to exercise caution. Forecasters say tempera ...