This is quite the look on the 12z EPS for 12/23. Mega ridge over Alaska into the Arctic Circle, cross-polar flow, -NAO, deep cold trough over the Midwest/Lakes. This has the look of a big arctic outbreak. Very cold Christmas could be on tap. pic.twitter.com/vB0WtmsjRo

— Allan Huffman (@RaleighWx) December 10, 2022