But what exactly is it and how does it impact our weather? The polar vortex is like a giant, swirling pool of super-cold air in the upper atmosphere over the North Pole. Imagine it like a children ...

Maps show what to expect as the cold front arrives. The polar vortex is a large area of cold air and low pressure that normally spins over the North and South Poles. During the winter months and ...

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Mother Nature will soon remind us that it still is the Winter Season. Frigid air arrives just in time for early next week. Prepare now for wind chill temperatures well into the subzero range and ...

The polar vortex will send temperatures below freezing ... the National Weather Service (NWS) said. Very cold air from the Arctic Circle will come down over Canada and rush over the U.S. Friday ...

The polar vortex will bring the coldest air we have seen in at least two years to the Great Lakes all the way down to Florida. Wind chills early next week will be as low as -20 or greater.

Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures ... that even bring cold air to Florida,” Merwin said.

Get Wall Street's Hottest Chart Every Morning An Arctic blast is set to hit most of the country this weekend and into next week as the polar vortex pushes ... Frigid Siberian air is forecast ...

A major cold blast is in store for more than 30 states as a widespread arctic air outbreak will send nearly every American east of the Rockies into a deep freeze. This will be due to a polar vortex, ...