A sudden, dramatic shift in temperatures high in the atmosphere will dance with the La Niña weather pattern. There won't be a clear winner.

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south for Veterans' Day. But ...

The odds of extreme cold this winter in the US, Asia, and parts of Europe are climbing, threatening to boost energy bills for ...

The polar vortex is stirring up, bringing the earliest hints that the weather is changing as autumn has officially arrived. In the short term, this means gradual cool-downs and a more active storm ...

The polar vortex is beginning its seasonal strengthening, signaling a gradual shift toward cooler weather. Frost advisories were issued in parts of the Great Lakes region, New York, and New England as ...

Scientists have revealed the cause of three huge storms that battered the UK in space of a week in 2022. An "intense swirling vortex of winds" miles above the earth led to the deadly storms Dudley, ...

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the coldest ...

Powerful winter storms which led to deaths and power outages in the UK and Ireland were made more likely by an intense swirling vortex of winds miles above the Arctic, say scientists. Powerful winter ...