The 2022 marine heat wave (MHW) in the Northeast Pacific (NEP22A) is a MAJOR player on modulating northern hemisphere upper air patterns. NEP22A became the 4th warmest MHW in the Northeast Pacific of the past 40 years during early-to-mid autumn. As usual, the attendant upper-level pattern features a titanic ridge across and downwind the “warm blob” and compensating downstream upper trough in the East U.S.