The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope ...

Forecasters warn that a split polar vortex is set to bring a 'large supply of cold air' to North America in mid-February as a ...

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

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

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

How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the polar regions—here’s how it works ...

With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

As we continue to warm moving into February, it appears latest trends suggest a classic "what goes up, must come down" type ...

As we prepare for a very busy weather week, what comes next? We told you earlier in the month the polar vortex was going to ...