Hallelujah, the GFS forecast lies within the ensemble spread of the GEFS!
— Dr Simon Lee (@SimonLeeWx) November 25, 2019
I'm more convinced that this projected deceleration in the first week of December could in fact lead to a major #SSW, but it is still by no means certain (as evident in the GFS's long-range volatility). pic.twitter.com/8iPaRmpqjD