C3S multi-system seasonal forecasts from September 2020, 2021 & 2022 for the following DJF periods.
— Dr Simon Lee (@SimonLeeWx) September 14, 2022
At this lead-time, in a multi-system framework, the ENSO (La Niña) bell rings loudest 🔔 pic.twitter.com/UvbQJ0oLtD