The predicted sudden stratospheric warming event and de-acceleration of stratospheric westerly flow around the North Pole is seen to fully couple all the way down to the surface!
— Mike Ventrice (@MJVentrice) December 28, 2020
Note the large area of anomalous easterly between 60-90N at 10mb persists as you move downward. pic.twitter.com/1OmCshIdNm