A displacement of the Polar Vortex will usher in days of Arctic cold through the end of January. The core of the Polar Vortex ...

The displacement of the polar vortex over the eastern half of the U.S. will usher in days of Arctic cold through the end of ...

According to a temperature outlook from the National Weather Service (NWS) Climate Prediction Center (CPC), for the January ...

A dramatic blast of cold air may be coming for the United States in late January, courtesy of the polar vortex. Here's what ...

Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

The polar jet stream, which is affected by the polar vortex above it, has become quite wavy, allowing Arctic air to ...

Ben Gelber, a meteorologist for NBC4 in Columbus, Ohio, and a Pocono native, said the polar vortex is a large, circular pool ...

Here’s the wind chill chart. Notice the four shadings, indicating how long it will take for frostbite. When we get to wind ...

The first cold wave will reach the East Coast on Thursday, followed by another surge of frigid air this weekend and more next ...

The polar vortex is a large area of low pressure that consists of a swirling cold air at each of the Earth’s poles. It is ...

The displaced polar vortex will bring prolonged periods of cold to the eastern portion of the Lower 48 through the end of ...

Watch as a massive bowl of Arctic air is set to bring extreme, potentially record-breaking cold temperatures to parts of the ...