Take a look at the upcoming eddy heat flux from the troposphere into the stratosphere that is predicted in the GEOS5 model later this week. Lot of forcing on the Stratospheric Polar Vortex (SPV) with this event, likely to weaken the SPV for this upcoming December. pic.twitter.com/hWSKtFVAg6

— Mike Ventrice (@MJVentrice) November 18, 2018