This chart from @BenNoll's great site (https://t.co/9sJpOkPTvc) shows Atmos. Angular Momentum (AAM). -AAM, as prevailed in '21-22, is charac. by a weaker, retracted/poleward N. Pac jet. +AAM (as we saw in '22-23) sees an opposite trend, w/enhanced, extended/S-displaced N. Pac jet pic.twitter.com/f98WSbzUup

— Yaakov Cantor (@yconsor) May 7, 2023