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

Each of these lobes of the Polar Vortex will bring two or three days of bitterly cold, below-normal temperatures. We aren’t ...

A fierce Arctic blast of bitterly cold air is poised to overtake much of the central, eastern and southern U.S. over the next ...

Another polar vortex is expected to bring subzero temperatures that will affect more than 40 million Americans in the coming ...

Colder air is returning to the central and eastern U.S. as the polar vortex becomes more active, bringing fluctuating ...

Arctic air originates near the polar regions and is among the coldest air masses on Earth. It typically stays locked in ...

So our January Thaw is about to end? It appears so. Since January 6th Syracuse has had a high temperature of at least 36 F or ...

Don't let the incoming string of relatively warm days in the greater Philadelphia region fool you; the polar vortex is still around.

Moreover, the latest data suggests that the Polar Vortex is on the verge of a significant disruption due to a new SSW event. The disruption is expected to lead to a colder pattern across the United ...

During winter, as the Arctic falls into 24-hour darkness, extreme cold builds over the Pole. This helps to create a ...

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

CLEVELAND — The temperature outside was so cold that your fingers, toes, nose and cheeks felt like they were burning. A harsh Arctic cold wave brought record-breaking temperatures to the United States ...