Phase 6-7 MJO and a weak stratospheric polar vortex: now that's interesting. Extended GEFS has been pointing this way for the MJO since late December. Here's a quick analog perspective on potential impacts: https://t.co/MLb5U0byHN pic.twitter.com/58ayq2dHSJ

— World Climate Service (@WorldClimateSvc) January 22, 2021