A rare and disruptive atmospheric event may soon unfold, raising the prospect of significant weather shifts across the U.S.

Add Yahoo as a preferred source to see more of our stories on Google. The polar vortex is forecast to weaken unusually early, and that could lead to more persistent cold weather in at least parts of ...

For example, recent observations indicated that fragments of the polar vortex broke apart, sending freezing air towards Central Florida. This shift can lead to unusual weather patterns, even in ...

TOLEDO, Ohio (WTVG) - The polar vortex is a large area of low pressure encompassing the Earth’s poles. It can weaken and split up, causing the polar jet stream to move southward. This pushes cold ...

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 ...

There's a confounding dilemma for many folks trying to make sense of winter weather in the context of climate change.

Three polar vortex systems are expected to bring frigid temperatures to several states in December. The first wave of Arctic air is anticipated this week, with two more to follow in the coming weeks.

Nearly all of New England has seen its share of frigid cold days and record mountain snow so far this November — and looking ahead, we’re about to get hit with another blast of Arctic air from a ...

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 ...

CHICOPEE, Mass. (WWLP) – Scientists are investigating whether a warming Arctic is changing the behavior of the polar vortex, ...