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

Daughter polar vortices' could bring snow and ice to parts of northern, central, and eastern United States later this month, ...

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

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

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

But just like when a top starts to slow down and wobble, 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 ...

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

Meteorologists and the Met Office have given verdicts into the polar vortex 'dislocation' which could spark winter hell for ...

The cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...

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

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