Perhaps the most frank example of the growing disconnection between forecast and observed climate change was presented by University of Alabama’s John Christy to the Senate Subcommittee on Space, Science, and Competitiveness Committee of the U.S. House of Representatives on December 8, 2015. It isn’t the usual comparison between global average surface temperature and the current family of general circulation climate models. Instead, it’s the forecast and observed temperatures for the middle troposphere.