3 out of 4 EPS extended clusters have anomaly that reasonably matches the Ural high in November (Peings 2019). Cluster 1 and 3 - 28 member are nearly exact match, you can see the relationship with NAO in Dec/Jan. Fingers crossed for this feature to be persistent. pic.twitter.com/9ecnJHp1u6

— Julius Subovic (@JuliusSubovic) October 20, 2020