The GFS/GEFS/EPS all showing the 10mb zonal wind reversing at 65N. And only 1 members of the 00z EPS doesnt show it. #ssw Again if this happens it will favor a blocky pattern through January and perhaps beyond which ups the risk for cold in the mid-latitudes like Europe/US. pic.twitter.com/b1JST63xWw

— Allan Huffman (@RaleighWx) December 24, 2020