To say that January has been a tumultuous month weather-wise would be an understatement. The month has featured a string of severe winter storms, wild temperature swings and even a few bouts of ...

ANNAPOLIS, Md. -- The United States continued to freeze through a polar vortex that brought rare cold to the southern United States and chances of freezing weather through much of the country. Ice, ...

The polar vortex split will help cause temperatures to plummet and potentially set the stage for some snowstorms. A recent strong "sudden stratospheric warming" event has caused the vortex to weaken. ...

The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope to answer many remaining questions. Miles above the Earth, two bands of ...

Winter got off to a fast start in the Lower 48 even before it was technically winter. Waves of cold gripped the eastern two-thirds of the United States and several winter storms tracked across the ...

It’s almost the time of year when the term “polar vortex” will become inescapable. It will blast across television tickers, blare from afternoon drive radio shows, and crowd any headline related to ...

Now, it's got its own catchphrase: the polar vortex, which could be making a return engagement to the U.S. later this month or in January. Or maybe it won't. Regardless, the polar vortex – everyone's ...