The pattern is definitely trying to become favorable for a threat somewhere in that Nov 28-30 time frame. Nice little PV-lobe is trying to get forced underneath the -NAO after T-day which sets the stage for a shortwave to run into that cold air supply...aided by a little PNA ridge popping out west at the same time. Tip has been mentioning this symbiotic relationship between the NAO tanking and the PNA rising....and maybe this is finally the models "seeing" the correction event. We're still
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