This week I fielded a call from a reporter from the Washington Post, who wanted to discuss why the U.S. has fallen behind in using machine learning for weather prediction.  The story is here.The reporter only had half the story:  traditional U.S. global weather prediction models, which solve the complex equations that describe atmospheric physics, have declined into mediocrity.Specifically, NOAA's global model, the UFS, is now in third or fourth place behind the European Center, the UK Meteorolo...