By the way, Prof Paul O'Gorman, co-author of that _PNAS_ paper I just cited above ("[Changing available energy for extratropical cyclones
and associated convection in Northern
Hemisphere summer](https://www.mit.edu/~pog/src/gertler_changing_energy_summer_2019.pdf)"), has [an extended interview](http://news.mit.edu/2019/mit-3q-paul-o-gorman-machine-learning-for-climate-modeling-0213) about his earlier work on machine learning and climate modeling.