For the Stratospheric #wxtwitter crowd, I'm thinking we could see another stratospheric warming event mid-January that first starts over Siberia. ECMWF 10-day aggregate of 500H anomalies compared to my Siberian initiated SSWE precursor composite (14 days prior to the event). pic.twitter.com/O0Zopue9Ww

— Mike Ventrice (@MJVentrice) December 18, 2019