The coldest burst of Arctic air this season is coming to put an icy exclamation point on America’s winter of repeated polar vortex invasions, meteorologists warn. And it will stay frozen there all ...

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

There are more ways than we knew for the stratospheric polar vortex to get disrupted, shooting cold air southwards across ...

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in the coming days and ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the ...

Winter, which is warming faster than any other season for much of the US, seems to be making a comeback for the first time in years; this January was the coldest in the Lower 48 since 1988.

15 states are under winter storm warnings and freeze warnings due to a powerful polar vortex sweeping large swaths of the country. The polar vortex has led to freezing temperatures, snowfall, and ...

In a normal winter, it happens maybe two or three times. This winter, with record snow in New Orleans and drought and destructive wildfires in Southern California, has not been normal.

But at times some of the vortex can break off or move south, bringing unusually cold weather south and permitting warmer weather to creep up north.

These polar vortex stretches are happening more frequently as the world — and especially the Arctic — warms, a 2021 paper published in the journal Science, also co-authored by Cohen, demonstrated.

This week, parts of the U.S. are experiencing the 10th and coldest polar vortex event this season. Weather forces in the Arctic are combining to push the chilly air into the U.S. and Europe.

The polar vortex is sending Arctic air south, bringing extreme cold to the U.S. and Europe. This winter's 10th polar vortex event is causing record low temperatures, with wind chills as low as -60°F.