Slowly but surely, the ECMWF is trending to a bigger MJO event that moves to the WP by early Jan. The ECMWF has a wet bias in the Maritime Continent that contributes to this "barrier effect"; polar strat warming & the annual cycle also argue for a bigger MJO event in the extended pic.twitter.com/q6At2h6xjH

— Eric Webb (@webberweather) December 15, 2018