A winter storm is headed for North Carolina; do you know how to decipher winter weather forecasts? While just about everyone knows the definitions for snow, sleet and freezing rain, other terms used ...

A potentially major snow storm this weekend could give way to a blast of Arctic air for the second consecutive week. The next polar vortex impact is expected to follow a storm that could dump 6 inches ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe. When you ...

The study tracked Hudson Bay polar bears for 11 years using GPS and satellite imagery before cross-referencing their movements with wind patterns. Ron Togunov, lead author on the ...

In a new weekly update for pv magazine, Solcast, a DNV company, reports that March in Australia was unusually wet and disrupted, with frequent tropical cyclones, polar air intrusions, and repeated low ...

With Monday’s snowfall still piled high on lawns and driveways, much of the Mid-Atlantic looks like the inside of a freezer. Thanks to the polar vortex, it feels like one, too. Why is it so cold? The ...

A cold snap has kept high temperatures below freezing and overnight lows in the negative in Bucks County since a Jan. 26 snow storm came thorugh the area, but severe temperatures are expected to ...

After light flurries across Delaware on Feb. 6, the weekend is bringing frigid temperatures and wind chills in the negatives. A polar vortex moving through the country is pushing cold air into the ...

Bitter cold temperatures are expected to continue throughout the week in Chicago, with wind chills plunging to minus 20, the National Weather Service said. A cold weather advisory is in effect until ...