The Polar Vortex,an atmospheric phenomenon that shapes our winter weather,has been gaining attention as it undergoes changes ...

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

Stratospheric polar vortex changes still trigger brutal U.S. winter cold snaps and extreme weather despite a warming climate.

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

The mechanism involves atmospheric waves that bounce between the upper atmosphere and ground level, amplifying weather patterns and making them more extreme. Scientists call this “stratospheric wave ...

United States Secretary Brooke L. Rollins announced that American farmers who suffered eligible crop loss from natural ...

A polar vortex is forecasted to bring a severe freeze to millions of Americans across the continental United States this weekend and into next week. The arctic blast will result in dangerously low ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.

Weather analysts are divided over the polar vortex’s influence on weather and what that means for the rest of this year’s winter.

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.

The polar vortex is area of fast-moving winds well above the Earth’s surface and the jet stream that circle the Arctic during the Northern Hemisphere’s coldest months.

UNITED STATES (WGME) --It has been frigid not only in the Northeast but also throughout the central United States. Also read: Maine sees warming trend with temps rising to 40s by next week An ...