Rachel Tilling¹, Thomas W. K. Armitage², Marco Bagnardi³, Steven Fons⁴, Nathan T Kurtz⁵, Alek Petty⁶, Andy Ridout² and Andrew Shepherd⁷, (1)NASA Goddard Space Flight Center, Greenbelt, United States, (2)University College London, London, United Kingdom, (3)Goddard Space Flight Center, Greenbelt, MD, United States, (4)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (5)NASA Goddard, Greenbelt, MD, United States, (6)Earth System Science Interdisciplinary Center, COLLEGE PARK, MD, United States, (7)University of Leeds, Leeds, LS2, United Kingdom