Historically, the polar vortex hasn't always behaved the same way. In recent decades, scientists have observed intriguing patterns. Between 1979 and 1996, weak vortex events only happened about 3 ...

The polar vortex is coming—and raising the odds for intense winter weather. In the stratosphere over Siberia, temperatures recently jumped nearly 100 degrees Fahrenheit, shoving the polar vortex ...

US about to get 10th and chilliest polar vortex this winter. ... forces in the Arctic are combining to push the chilly air that usually stays near the North Pole not just into the United States, ...

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 dynamics of the stratosphere, particularly the behaviour of the polar vortex, have emerged as a cornerstone in understanding mid‐latitude weather extremes and seasonal climate variability.

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 polar vortex can bring bitter cold and winter weather to areas that do not normally get it. Local News. 6/15/25 Annie's Sunday Forecast. Updated: 21 minutes ago. Local News.

The United States' first polar icebreaker acquired for the Coast Guard in more than 25 years has begun its maiden voyage, as it prepares to safeguard America's interests in the Arctic.

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