There will be some large differences from the 2013-2014 season, but for some reason, only a certain charcter of divergences are being discussed. I don't hear much mention of the fact that this season is likely to feature more high latitude blocking. It's indirectly referenced....ie, the poor QBO match will be offered as evidence against the analog in general, but little analysis elaborates on what that may entail; a weaker PV. And I've seen the research linking the -IDO to reduced coupling between the stratosphere and troposphere, and linking -QBO to reduced poleward ridging. Be that as it may, differences in an of themselves don't necessarily perclude a similar sensible weather outcome after accounting for CC.