Totally agree with you again Sam. This #SSW & Stratospheric Polar Vortex split could be coming at just the wrong time for US cold as NPAC jet shifts to poleward jet extension. May destructively interfere w/ -AO base state.

Lots of people expecting cold may end up disappointed... pic.twitter.com/2camCFS5cx

— Philippe Papin (@pppapin) February 8, 2018