03/01/2026, 6:40 am EST
During February, robust warming of the equatorial Pacific Ocean subsurface was observed and supports an El Nino ahead climate signal. The last months when the entire equatorial Pacific subsurface were warmer than +1.0C was observed during April-June 2023 when Nino34 SSTA was +0.88C by June on the way to +1.99C by December. Multivariate ENSO index (MEI) shifted to an El Nino supporting +0.5 in June (2023) peaking at +1.1 in December.




