Susan C van den Heever¹, Peter James Marinescu¹, Max Heikenfeld², Bethan White³, Philip Stier², Andrew Barrett⁴, Christian Barthlott⁴, Jiwen Fan⁵, Ann M Fridlind⁶, Corinna Hoose⁴, Toshihisa Matsui⁷, Annette K Miltenberger⁸, Jacob Shpund⁹, Benoit Vié¹⁰ and Yuwei Zhang⁵, (1)Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States, (2)University of Oxford, Department of Physics, Oxford, United Kingdom, (3)Monash University, Clayton, Australia, (4)Karlsruhe Institute of Technology, Karlsruhe, Germany, (5)Pacific Northwest National Laboratory, Richland, WA, United States, (6)NASA Goddard Institute for Space Studies, New York, NY, United States, (7)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (8)University of Mainz, Mainz, Germany, (9)Hebrew University of Jerusalem, Department of Atmospheric Sciences, Jerusalem, Israel, (10)CNRM, Université de Toulouse, Météo‐France, CNRS, Toulouse, France