It's been a valiant effort by the Arctic troposphere, "resisting" the stratosphere's strong polar vortex, but it looks like the game is up. (Also, much-needed CFSv2 bias correction added today, reducing low-level heights and improving consistency with ECMWF) pic.twitter.com/9sme6uhRcF

— World Climate Service (@WorldClimateSvc) January 19, 2022