Polar vortex is circulation of strong , upper - level winds that normally affect the North Pole . The distortion can lead to major cold air outbreaks in North America , Europe and Asia . If you get caught up in one , what should you do ? A cold air outbreak caused by the polar storm is much more widespread than a single storm . Research suggests the distortion may be a side effect of global warming .
Polar vortex is circulation of strong , upper - level winds that normally affect the North Pole . The distortion can lead to major cold air outbreaks in North America , Europe and Asia . A cold air outbreak caused by the polar storm is much more widespread than a single storm . Research suggests the distortion may be a side effect of global warming .