ECMWF forecasts show the current weak/displaced stratospheric polar vortex reconsolidating over Siberia this week. This means any cold air spilling south in North America as a result of the PV disruption is likely to be shortlived. Free ECMWF strat data -> https://t.co/TXMyiagLyV pic.twitter.com/MJVCdGO1jt

— Jack Sillin πŸ‡ΊπŸ‡¦ (@JackSillin) November 4, 2018