It's a w2 upwell split (after w1 downwell preconditioning already) so the coupling is quite a bit stronger here. It's not so much temperatures; geopotential height alterations are more important. I think we'll see a fairly rapid response aided partially by MJO and AAM changes later this month, such that cooler air relative to normal begins returning toward the last week of Feb. I'm very much interested in the last week of Feb into early March. I've been on the +NAO winter train from the start, b