When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more likely.

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the ...

Following a midweek seasonably cold and uneventful period, a messy area of low pressure may bring some slippery problems by ...

After weeks of bitter subzero temperatures, the Polar Vortex loosens its grip on Upstate New York. Far more tenacious and ...

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

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

The wild January weather across the US is expected to continue this week with forecasts for heavy rain in southern states, after a surge of Arctic air that spilled southward and delivered rare record ...

Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame. Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET.

The D.C. area is wrapped up in a polar vortex, and this cold weather can wreak havoc on your plumbing if you’re unprepared. These extremely cold temperatures can freeze and burst a water pipe in ...

As the polar vortex delivered what is expected to be its final blast across southern Ontario on Wednesday, city residents braved the bitter cold — including Fintan the lion at the Toronto Zoo.

The system, known as a polar vortex, is forecast to bring subzero temperatures to the Midwest, Mid-Atlantic and deep into the South. And it looks as if we may get more arctic blasts in the coming ...