The work was supported by NSF DEB 0516198. The first author was also supported by Award Number KUS-CI-016-04 made by King Abdullah University of Science and Technology (KAUST). The authors thank Bruce Hewitson and Chris Leonard for help in the development of the dataset along with Gabi Hegerl, Andrew Latimer, Anthony Rebelo, John Silander, Jr., and K. Feridun Turkman for valuable discussions.