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
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
The 2 closest matches during Cool ENSO years come from November 2011 and 1999
Here is the other end of the spectrum from 2009, a year with heightened heat flux in November
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