Even though I'm not fully sold yet on this happening, thanks to the WWB earlier this month reinforcing a downwelling Kelvin Wave in the west-central Pacific, the thermocline in the Eq Pacific is more than suppressed now enough to support a moderate El Nino in 2018-19. #elniƱo pic.twitter.com/QoX0567Dbj

— Eric Webb (@webberweather) October 17, 2018