ECMWF ensembles no longer supporting in majority the northern blocking scenario in the extended range in Arctic/NAO. Also UKMO wording has changed from dried from North West to dried from East/North East. Wasn't the MJO phase 5/6 supporting the -NAO end od December? pic.twitter.com/ThOvrx3HQE

— Julius Subovic (@JuliusSubovic) December 10, 2020