Probably worthwhile reminding the current punters that
A33Zab provided a comprehensive spreadsheet layout of essential data back in
AF447 Thread No.4 post#691. Those with a screen resolution width of 1024 pixels or less should view the image directly
here.
We don't know how long the UAS condition would have remained if the aircraft had maintained FL350, but at least they would have eventually "flown" out of the ITCZ.