Apolar vortex is unleashing extreme winter weather across the United States, affecting millions with dangerous cold, heavy snowfall, and treacherous icy conditions. The US National Weather Service ...

A polar vortex could bring the coldest January the U.S. has faced in years. National Weather Service experts told Newsweek that Americans can expect a colder-than-average start to the new year.

According to the National Weather Service office in Fort Worth, areas north and northwest of the Dallas-Forth Worth area have the greatest chances of seeing more than 0.1 inches of snow. DC ...

Thanks in part to return of the polar vortex, the coldest air of the season is poised to roar across the central and eventually eastern U.S. over the next week, the National Weather Service said.

As clarified by the National Weather Service, the term “vortex” refers to the counter-clockwise flow of winds that bottle up the arctic air and keep it near the poles.

The polar vortex refers to the large area of low pressure and cold air surrounding both of the Earth’s poles, according to the National Weather Service. It always exists near the poles, but ...

After a largely mild end to 2023, cold jet stream air from the polar vortex appears set to descend on parts of the U.S. later this week, adding to a chaotic January that saw reports of several deat… ...

During the winter, in the northern hemisphere, the polar vortex will expand and send cold air southward, according to the U.S. National Weather Service.

The National Weather Service warned of “life-threatening cold” as wind chills dropped to minus 60 Fahrenheit (minus 51 Celsius) in parts of North Dakota on Monday and minus 50 F (minus 46 C ...

Chicagoans are no strangers to cold weather, but some of the terminology used to describe frigid conditions can be confusing. That’s why experts from the National Weather Service’s Chic… ...