arctic blast, Polar vortex

Here's the latest on the winter storm. A historic winter storm is poised to produce potentially record-breaking snows from ...
Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said climatologist Barry Keim .
all that icy air stays tightly locked around the arctic, keeping the freezing temperatures up north. But just like when a top starts to slow down and wobble, the polar vortex can sometimes get ...
As they describe it, the polar vortex circles the north pole counterclockwise. the polar jet stream circles at a lower ...