#Scientists discover changes to the #polarvortex that are plunging parts of #US into deep freeze
When the polar vortex stretches, #NorthAmerica feels the chill. New research reveals some of the stratospheric patterns controlling these cold snaps
"Overwhelmingly, extreme cold and severe #winter #weather, heavy #snowstorms and deep #snow, are associated with these stretched events," co-author Judah Cohen, director of seasonal #forecasting at Atmospheric and Envir. Research
https://www.livescience.com/planet-earth/scientists-discover-changes-to-the-polar-vortex-that-are-plunging-parts-of-us-into-deep-freeze