7) Both MJO p7 and p8 composites with +GLAAM support a cold look in Jan with a -AO/-NAO and more ridging in W Can/US. I think we will see ridging develop there as we head into early Jan. And this could lead to a legit cold pattern as we head into Jan for areas east of the Rox. pic.twitter.com/AcecCN6lfb

— Allan Huffman (@RaleighWx) December 16, 2021