Arctic Blast, Polar Vortex

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...
It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...
Stable polar vortex: When the stratosphere over the Arctic is cold, it's considered stable. The wind around the polar vortex ...
According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...
Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...
Here's how the polar vortex, and climate change, influence extremely cold winter weather in the US. Intense snowy wintry weather in the US has been fuelled by activity of the polar vortex ...
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 ...