Overheard last week: "El Niño is coming on strong but the atmosphere is still La Niña".
— World Climate Service (@WorldClimateSvc) May 22, 2023
In reality, global AAM* has become exceptionally high in the last 10 days. High AAM is characteristic of El Niño's atmospheric component.
*AAM = atmospheric angular momentum pic.twitter.com/riKwBvYuie