A super warm global ocean surface is in the news! However, not all oceanic zones are warm. Norte the 1-year change in the western North Atlantic. The western North Atlantic has cooled to near normal during mid-spring. The cooling waters foreshadow presence of an upper trough on the East Coast for much of May.

A large marine heat wave (MHW) is developing off the East Asia coastline and is strengthening. Consequently, CFS V2 is forecasting a large high-pressure area to develop across the MHW during the summer season.

The Nino34 SSTA region has cooled a whopping 0.69C during the past 2 weeks as El Nino 2023-24 is about to end. The record warm global ocean surface of the past 12 months is unique and causes uncertainty regarding the speed of development and intensity of La Nina for later in 2024.

The Climate Impact Company summer 2024 outlook valid for May through September is issued. The forecast is based on a transition from an El Nino to La Nina climate, warming of already very warm mid-latitude oceans, optimum climate normal, and anticipated drought zones.