MJO RMM stats through 5/1/2021. The strongest spring MJO amplitude (Mar-Apr-May) remains in 2015 so far (all phases and phase 8). However, 2021 is the strongest May amplitude in dataset, just beating 1998. Data: https://t.co/dyK00A2bCJ pic.twitter.com/15Uiwt6lBv

— Anthony Masiello (@antmasiello) May 3, 2021