@ECMWF May Nino3.4 forecast is now available suggesting a strong El Niño is very likely later this year.
Last 6 years there was a large warm bias in May forecasts of SST for Nino3.4 region, except in 2018. https://t.co/ikbWHyYyex pic.twitter.com/GqGLNcTtma

— Álvaro Pimpão Silva (@jetstream2015) May 5, 2023