Isabell Krisch, Oliver Reitebuch, German Aerospace Center (DLR), Germany; Jonas von Bismarck, Tommaso Parrinello, European Space Agency (ESA), Italy; Michael Rennie, European Centre for Medium-Range Weather Forecasts (ECMWF), United Kingdom; Fabian Weiler, German Aerospace Center (DLR), Germany; Dorit Huber, DoRIT, Germany; Jos de Kloe, Royal Netherlands Meteorological Institute (KNMI), Netherlands; Alain Dabas, CNRM, Université de Toulouse, Météo-France, CNRS, France; Anne-Grete Straume-Lindner, European Space Agency (ESA), Netherlands; Saleh Abdalla, European Centre for Medium-Range Weather Forecasts (ECMWF), United Kingdom; Stefano Aprile, Sebastian Bley, European Space Agency (ESA), Italy; Fabio Bracci, German Aerospace Center (DLR), Germany; Simone Bucci, Massimo Cardaci, Serco Italia, Italy; Werner Damman, S[&]T, Netherlands; David Donovan, Royal Netherlands Meteorological Institute (KNMI), Netherlands; Frithjof Ehlers, European Space Agency (ESA), Netherlands; Frederic Fabre, Les Myriades, France; Peggy Fischer, European Space Agency (ESA), Italy; Thomas Flament, CNRM, Université de Toulouse, Météo-France, CNRS, France; Giacomo Gostinicchi, Serco Italia, Italy; Lars Isaksen, European Centre for Medium-Range Weather Forecasts (ECMWF), United Kingdom; Sebastian Jupin-Langlois, ABB, Canada; Thomas Kanitz, European Space Agency (ESA), Netherlands; Adrien Lacour, CNRM, Université de Toulouse, Météo-France, CNRS, France; Marta De Laurentis, European Space Agency (ESA), Italy; Christian Lemmerz, Oliver Lux, Uwe Marksteiner, German Aerospace Center (DLR), Germany; Gert-Jan Marseille, Royal Netherlands Meteorological Institute (KNMI), Netherlands; Nafiseh Masoumzadeh, Markus Meringer, German Aerospace Center (DLR), Germany; Sander Niemeijer, S[&]T, Netherlands; Ines Nikolaus, Physics Solutions, Germany; Gaetan Perron, ABB, Canada; Bas Pijnacker-Hordijk, S[&]T, Netherlands; Katja Reissig, IB Reissig, Germany; Matic Savli, CNRM, Université de Toulouse, Météo-France, CNRS, France; Karsten Schmidt, German Aerospace Center (DLR), Germany; Ad Stoffelen, Royal Netherlands Meteorological Institute (KNMI), Netherlands; Dimitri Trapon, CNRM, Université de Toulouse, Météo-France, CNRS, France; Michael Vaughan, Optical & Lidar Associates, United Kingdom; Marcella Veneziani, S[&]T, Netherlands; Cristiano De Vincenti, Serco Italia, Italy; Benjamin Witschas, German Aerospace Center (DLR), Germany