Two newly identified patterns in the stratospheric polar vortex can send cold air over North America to cause extreme cold ...

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

One new study identifies a 17 percent increase in the destructive potential of the strongest nor’easters, while another ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...

A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of the United States. Scientists are monitoring the event closely, as the ...

During the polar vortex, temperatures could reach 12-25°F below average in some states, according to AccuWeather. “This could end up being the coldest January since 2011 for the U.S. as a whole ...

"Weather forecasters examine the polar vortex by looking at conditions tens of thousands of feet up in the atmosphere; however, when we feel extremely cold air from the Arctic regions at Earth's ...

According to the National Weather Service (NWS), the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole ...

According to National Weather Service forecasters, "the southern lobe of the Polar Vortex” will generate a much more significant, frigid cold Arctic Blast that will graze across Canada and the ...

The polar vortex: What to know about the weather feature responsible for the arctic blast Published: Jan. 04, 2025, 5:00 p.m. An AccuWeather graphic shows winter conditions in the U.S. during a ...

The polar vortex blasts are expected to hit from Jan. 3 to 4, Jan. 7 to 8 and Jan. 11 to 12, according to AccuWeather meteorologist Alex DaSilva. Advertisement What exactly is a polar vortex, and ...