What about into the subseasonal range? The ECMWF predictions of a weaker vortex in late Nov/early Dec have got a lot of attention. The GEFS, however, maintains a stronger vortex -- but it's a lower resolution model, so might have a worse representation of processes 🤔 [4/6] pic.twitter.com/zYCHHBfJw4

— Dr Simon Lee (@SimonLeeWx) November 4, 2021