Francesco De Angelis, Vinia Mattioli, Christophe Accadia, Tim Hewison, EUMETSAT, Germany; Vasileios Barlakas, Ana Radovan, CS Group - Germany GmbH, Germany; Robin Ekelund, Rosemary Munro, Thierry Marbach, Massimo Labriola, Giordano Bruni, Maurizio De Bartolomei, EUMETSAT, Germany; Linda Corucci, CS Group - Germany GmbH, Germany; Elisabetta Ricciardelli, Domenico Cimini, CNR-IMAA, Italy; Alan Geer, David Duncan, ECMWF, United Kingdom