Forecasts for the stratospheric #PolarVortex from ECMWF, UKMO & Météo-France as part of the @CopernicusECMWF October update.

ECMWF shows no significant ensemble-mean anomaly, UKMO shows a shift toward a stronger vortex in Feb. Météo-France mixed but stronger in Jan. pic.twitter.com/rmOJm6WCLK

— Dr Simon Lee (@SimonLeeWx) October 13, 2020