Find Chicago Winter Skyline Snow stock video, 4K footage, and other HD footage from iStock. Get higher quality Chicago Winter Skyline Snow content, for less—All of our 4K video clips are the same ...

Find Chicago Snow stock video, 4K footage, and other HD footage from iStock. Get higher quality Chicago Snow content, for less—All of our 4K video clips are the same price as HD. Video Back Videos ...

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures as ...

A light snow shrouds the skyline as a winter storm sweeps over ... this latest cold snap comes from a disruption in the polar vortex, the ring of cold air usually trapped about the North Pole.

(AP Photo/David Zalubowski) A light snow shrouds the skyline as a winter storm sweeps ... this latest cold snap comes from a disruption in the polar vortex, the ring of cold air usually trapped ...

The coldest weather of the season to date will be due to a phenomenon called a polar vortex, an upper-level jet stream that ...

And if the polar vortex is to blame. First, a quick refresher on the polar vortex. The polar vortex is a region of very strong winds that form a circle around the North Pole. The vortex is located ...

The coldest weather of the season to date will be due to a phenomenon called a polar vortex, an upper-level ... Lang in New York and Brendan O'Brien in Chicago; Editing by Frank McGurty and ...

FILE PHOTO: The city skyline is seen in drifting snow during the polar vortex in Buffalo ...

Given the fact that it's winter in Chicago, is news regarding frigid temperatures really news at all? For what it's worth, a polar vortex—a large region of low pressure and cold air—is set to ...

In short, the answer is the polar vortex. But what does that mean? The polar vortex is a “constant feature” that begins to develop sometime in September and persist through sometime in spring ...