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.

In the atmospheric layer above it, about 10 to 30 miles up, is the stratospheric polar vortex, where every winter a sunlight-starved Arctic spins up a mass of cold air that, ultimately, dissipates ...

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

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.

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

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

Climate change has tripled the frequency of atmospheric wave events linked to extreme summer weather in the last 75 years and ...

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