In the Northern Plains, wind chills are set to be anywhere between -30 degrees and -60 degrees. Air temperatures, try well ...

A lobe of the polar vortex, a ring of freezing air typically found near the ... expected to experience subzero temperatures ...

It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year. While the ...

The purpose is to see if the cold spell that send much of the U.S. shivering was due to the "polar vortex." NOAA concluded that there wasn't sufficient evidence to link this most recent cold blast ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...

he term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region, enveloping the North Pole The term “polar vortex” usually refers to the ...

Scientists say it’s being caused by a misbehaving polar vortex combining with a key weather pattern that seems to be stuck in place. Some scientists say these factors and this winter could be ...