Keep in mind this is based solely on empirical wave propagation (i.e. forward extrapolation) of the GFS. It's not a reliable fcst when standing waves dominate the tropics. Hence, both the EPS & CFS agree the MJO isn't leaving the Indian Ocean & Maritime Continent the rest of Sep https://t.co/cTMR2S0bp9 pic.twitter.com/2YjTuiFKif

— Eric Webb (@webberweather) September 5, 2021