Cities across the U.S. are bracing for cold temperatures as a polar vortex arrives, bringing temperatures down to much below ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

The weather flow is gradually changing now and as we head into early February. Our storm systems will come from the west and ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing temperatures.

The rest of this week promises temps losing the battle to reach the freezing mark, while long-range forecasts suggest the polar vortex won’t ease up until mid-January.

What Is The Polar Vortex? The Arctic polar vortex is ... air will increase during the first full week of January and persist through mid-month. At its peak, this frigid air is expected to impact ...

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

ATLANTA — The Polar ... the polar vortex southward. Dips in the jet stream, which are more scientifically called troughs, can also just send cold Arctic air to the south. Through mid-January ...

The cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air ...

Winter is making its presence known in New York City, as the polar vortex is bringing brutally cold temperatures to the ...