Seasonal models continue to agree on winter 2019-20 being dominated by a positive NAO. The multi-system mean from all contributors to @CopernicusECMWF paints a very similar picture to individual models. Freely available at https://t.co/0RwGlYCED9. pic.twitter.com/PGE70sJuPe

— Dr Simon Lee (@SimonLeeWx) October 14, 2019