A late-season polar vortex could extend America's winter-like temperatures into early spring, according to AccuWeather. So far in December, temperatures across the nation have trended above ...

At least 10 of these stretched polar vortex events have occurred this winter, including the ongoing event, according to Cohen: four in December, four in January and two in February.

Think of the polar vortex as a huge cylinder of low pressure and cold air that hovers over the North Pole and high into the atmosphere during the winter. When the polar vortex is strong, the cold ...

A major winter storm and a polar vortex are set to bring cold temperatures, snow, sleet, and ice to large swaths of the U.S.

Take your favorite Polar seltzer like the pineapple pomelo, a shot of vodka, gin, or white rum of your choice, and, voila. You can garnish with a slice of lemon, lime, orange, or a pomelo.

How Alaska’s cold keeps ending up in the Lower 48 A few atmospheric factors — including the polar vortex — have come together to make the US the epicenter of cold this winter.

A late-season polar vortex could extend America's winter-like temperatures into early spring, according to AccuWeather. So far in December, temperatures across the nation have trended above average.

Winter, which is warming faster than any other season for much of the US, seems to be making a comeback for the first time in years; this January was the coldest in the Lower 48 since 1988.