Arctic winds from a powerful polar vortex are sweeping across several states, bringing dangerously cold temperatures and ...

January has already been colder than average in most states east of the Rocky Mountains for the first time in two years — and now, more frigid air is coming. A lobe of the polar vortex, a stormy ...

10th polar vortex of the season hits the U.S. Here’s what to know With record snow in New Orleans last month and drought and destructive wildfires in Southern California, this winter has not ...

Data from a polar vortex splitting during 2002’s Southern Hemisphere sudden warming event helps expand models to accommodate ...

Original image has been replaced. Credit: Mashable And this is just the first wave of Arctic air associated with a displacement of the dreaded polar vortex. The next polar plunge will take place ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in coming days and ...

A pinwheeling section of the polar vortex is clearing customs at the Canadian border, heading for the northern Plains, Midwest, Mid-Atlantic and Northeast U.S. For millions, this may be the ...

The polar vortex will bring the coldest air we have seen in at least two years to the Great Lakes all the way down to Florida. Wind chills early next week will be as low as -20 or greater.

Another polar vortex to send temperatures plunging across the U.S. next week. Here's how cold it will get. The latest arctic blast will move into the northern Rockies and northern Plains Saturday ...

ABC13 spoke to an NOAA climatologist about the current condition of the polar vortex and where the bitter cold air could linger this winter. What's the polar vortex? Here's when we can forecast ...