A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...
These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...
The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...
Scientists are scrambling to understand how climate change may be interfering with the winds that carry our weather, with ...
polar air comes south sometimes where the polar jet stream wanders. As they describe it, the polar vortex circles the ...
WASHINGTON — Get ready for extreme cold weather in D.C. and most of the U.S. over the next few days. The polar vortex has ...
In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...
Like much of the U.S., Wisconsinites woke up Tuesday morning to bitter cold conditions. Many schools and colleges throughout ...
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