Jerom P.M. Aerts¹, Rolf Hut², Niels Drost³, Ben van Werkhoven³, Ronald van Haren³, Yifat Dzigan³, Jaro Camphuijsen³, Fakhereh Alidoost³, Inti Pelupessy³, Berend Weel³, Gijs van den Oord³, Stefan Verhoeven³, Laurene Bouaziz^1,4, Willem van Verseveld⁵, Bert Jagers⁵, Fedor Baart⁵, Edwin Sutanudjaja⁶, Jannis M Hoch⁷, Lieke Anna Melsen⁸, Andrew Bennett⁹, Louise Arnal^10,11, Fabrizio Fenicia¹², Léonard Santos¹³, Emiliano Gelati¹⁴, Marco Dal Molin¹⁵, Wouter Knoben¹⁶, Shervan Gharari¹⁷, Caitlyn A Hall¹⁸, Eric Hutton¹⁹ and Nick Van De Giesen¹, (1)Delft University of Technology, Faculty of Civil Engineering and Geosciences, Delft, Netherlands, (2)TU Delft, Delft, Netherlands, (3)Netherlands eScience Center, Amsterdam, Netherlands, (4)Deltares, Department Catchment and Urban Hydrology, Delft, Netherlands, (5)Deltares, Delft, Netherlands, (6)Utrecht University, Physical Geography, Utrecht, Netherlands, (7)Utrecht University, Utrecht, Netherlands, (8)Wageningen University, Wageningen, Netherlands, (9)University of Washington Seattle Campus, Department of Civil and Environmental Engineering, Seattle, WA, United States, (10)University of Reading, Department of Geography and Environmental Science, Reading, United Kingdom, (11)European Centre for Medium-Range Weather Forecasts (ECWMF), Reading, United Kingdom, (12)CRP Gabriel Lippmann, Belvaux, Luxembourg, (13)Swedish Meteorological and Hydrological Institute, Norrköping, Sweden, (14)Institut Català de Ciències del Clima, Barcelona, Spain, (15)EAWAG Swiss Federal Institute of Aquatic Science and Technology, Duebendorf, Switzerland, (16)University of Bristol, Bristol, BS8, United Kingdom, (17)University of Saskatchewan, Global Institute for Water Security, Saskatoon, SK, Canada, (18)Arizona State University, Tempe, AZ, United States, (19)Community Surface Dynamics Modeling System, Boulder, CO, United States