45-day heat flux at 10mb in the stratosphere has flatlined and is approaching record low levels for mid-late November.
Purple and orange line = 2020
Blue line = 2019-2020
Purple and orange line = 2020
Blue line = 2019-2020
A solid summary description here of heat flux from the NASA Goddard Ozone Watch website
https://ozonewatch.gsfc.nasa.gov/meteorology/flux_2020_MERRA2_NH.html
https://ozonewatch.gsfc.nasa.gov/meteorology/flux_2020_MERRA2_NH.html