The sudden blast may come as a shock to many Americans after a mostly mild start to winter, but that warmth may be partly contributing to the ferocity of this storm.

A winter storm descending on the US is expected to deliver heavy snow and ice to more than 150 million people across roughly two dozen states. Forecasts predict the storm will plunge Texas into a deep freeze before moving eastward and hitting major Northeast cities such as New York City and Boston.

After this weekend's snow storm moves out, cold Arctic air will move in.

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

A 2025 satellite image shows a series of ghostly ice swirls sculpted on the surface of Lake Michigan by strong winds during an extreme cold snap that covered Chicago in a blanket of snow.

A rare and exceptionally early disruption of the polar vortex is sending brutally cold air across much of the United States, marking one of the earliest notable polar vortex disruptions observed since satellite monitoring began. With temperatures expected ...

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 storms which led to deaths and power outages in the UK ...

Jupiter and Saturn's different polar storms reveal clues about planet interiors: Saturn has harder bottom than Jupiter.

What the swirling storms on alien worlds can tell us about the climate on Earth. Damond Benningfield A somewhat alarming new phrase entered the American lexicon when parts of the United States were plunged into an especially bitter deep freeze in January ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe. When you purchase through links on our site, we may earn an ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing temperatures due to a polar vortex system.