Tom Beucler, University of California Irvine, Earth System Science, Irvine, MA, United States; Columbia University, Earth and Environmental Engineering, New York, NY, United States, Pierre Gentine, Department of Earth and Environmental Engineering, Columbia University, New York, NY, United States, Mike S Pritchard, University California Irvine, Department of Earth System Science, Irvine, CA, United States, Stephan Rasp, Ludwig Maximilians University of Munich, Munich, Germany and Veronika Eyring, German Aerospace Center (DLR), Oberpfaffenhofen, Germany