Overnight GFS ensembles want to connect the SE Ridge with the Greenland block to form a mega ridge at D10, which could mean a wasted -NAO, at least early on. ECMWF ensembles and CMC ensembles singing a somewhat different tune as SE ridge gets beaten down and forced westward. pic.twitter.com/4fMxJtMgQX

— Mitch (@VermonsterWx) December 2, 2022