I'd say a lot of the problem is a lack of a -NAO. I know the PNA is just as important, but most of our cold recently has been EPO driven. And with that we fight a SER or either Vodka cold that suppresses everything and shears out. Its a very fine line. And when they're not suppressed they are late bloomers like you said. That is what usually happens with northern stream garbage as I call it. There is almost no room for error with those. They either dig just right and tilt just right at the right time or you lose. This area needs a -NAO and and active STJ and stout PNA ridge. Unpopular opinion but the La Ninas can take a hike
We’re in a strong -NAO now:











