This is EXACTLY what we want if we’re looking for cold and snow. Blocking retrogrades westward into Greenland, and ridging starts to push into Alaska with a trough forming in the Aleutians. That is a signal of an EPO reversal from positive to negative, which will help sincerely. pic.twitter.com/vemDKOmJ4y

— Joey Scherkenbach (@jscherkenbach1) December 28, 2020