But in the years between 1998 and 2015, they jumped to an average of 7 days. While weak vortexes became more frequent, strong vortex events dropped from 12 to just 6 days over the same time frame.

And that’s also why forecasts recently adjusted to account for the polar vortex disruption show the northeastern and midwestern U.S. could feel more extreme winter weather in the coming weeks.

Obviously this isn't the first polar vortex episode of the winter, but it looks to be the most severe." FILE - A person walks along the shore of ice covered Lake Michigan, Feb. 13, 2025, in Chicago.

Much of the U.S. is being blasted by ice, snow and wind, as the polar vortex that dipped south over the weekend is maintaining its frigid grip.

A new study challenges the idea that climate change is behind the erratic wintertime behavior of the polar jet stream, the ...

The API failed to deliver the resource. The polar vortex can bring bitter cold and winter weather to areas that do not normally get it.

Extreme heat is only becoming more common. In the United States, heat waves now occur three times as often as they did in the ...

Unless society stops pumping more greenhouse gases in the air, “we can expect multiple factors to worsen summer extremes,” a ...

Her cross-country adventures prove that cats, dogs, and birds alike can enjoy life on the road if you know how to keep them ...

Climate change has tripled the frequency of atmospheric wave events linked to extreme summer weather in the last 75 years and that may explain why long-range computer forecasts keep ...