The polar vortex could be reversing in a sudden stratospheric warming event, ... "Don't put your winter jacket and gloves away just yet," Paul Pastelok, ...

Luckily, the polar vortex is expected to start retreating Friday and temperatures will warm up into the 30s on Saturday before climbing into the low 40s on Sunday, according to Morrone, the ...

Depending on the scale, larger breaks in the polar vortex can bring unusually cold temperatures our way. You might find yourself digging out that jacket you haven’t worn in ages or even turning ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region. This vortex consists of powerful westerly winds in the stratosphere, about 10 to 30 ...

The polar vortex is aways around - it just normally stays near the North Pole. But when it descends into our area, get ready for really cold weather.

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On Monday, the polar vortex will reach the Deep South, with temperatures down to the freezing point of 32 degrees Fahrenheit in Atlanta. Wind chills will be in the 20s.

During the polar vortex, temperatures could reach 12-25°F below average in some states, according to AccuWeather. “This could end up being the coldest January since 2011 for the U.S. as a whole ...

A polar vortex is set to bring weeks of icy temperatures to the Lower Hudson Valley and New York City. “This could end up being the coldest January since 2011 for the U.S. as a whole,” said ...