A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. The polar vertex is a large area of low pressure and cold air that sits over Earth's poles. Middle ...

Georgia residents could be in for a sharp change in weather this weekend as a major polar vortex disruption pushes the coldest air of the season into the state. Forecasters say the setup raises ...

This story has been edited to correct an error. Judah Cohen is affiliated with the Massachusetts Institute of Technology. Our old wintertime friend the polar vortex ...

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the displacement of the polar vortex that will lock in a deep winter feel and park ...

Michigan is experiencing frigid temperatures and heavy snow due to a dip in the jet stream, not the polar vortex. The polar vortex is a large-scale cyclone of cold air that typically stays far north ...

The first thing most people will notice about the Vortex AMG 1-10×24 is its eye-popping price. It lists for a stunning $6,399, with a street price of $4,000. Now it’s one thing for military units to ...

It’s time to bring in sensitive plants, prepare your pets and gas up your car. The big chill is coming this weekend. The polar vortex will spread from the North Pole into Canada and the Midwestern ...

Another round of bone-chilling air from the polar vortex could invade the central and northeastern US this weekend and potentially produce the first significant snowstorm of the season for the ...

Add Yahoo as a preferred source to see more of our stories on Google. Ready for some serious cold? The planet's most extreme cold air will be barreling into the central and eastern United States this ...

Ready for some serious cold? The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a wrecking ball," said Weather Trader ...

The polar vortex has broken, and severe temperatures are set to dominate most of the country in the coming days. Temperatures in the 10s are forecast for much of the Northeast, and subzero ...

Add Yahoo as a preferred source to see more of our stories on Google. A map of the polar vortex that is bringing frigid temperatures to parts of the U.S. (AccuWeather) The first of three rounds of ...