1st Snow Data Assimilation Workshop in the framework of COST HarmoSnow ESSEM 1404 oleh Jürgen Helmert, Martin Lange, Jiarui Dong, Patricia de Rosnay, David Gustafsson, Evgeniy Churulin, Ekaterina Kurzeneva, Richard Müller, Jörg Trentmann, Niels Souverijns, Roland Koch, Uwe Böhm, Martin Bartik, Marzena Osuch, Inna Rozinkina, Jean-Marie Bettems, Patrick Samuelsson, Francesca Marcucci, Massimo Milelli