URL:  https://www.ecmwf.int/sites/default/files/elibrary/2018/17938-newsletter-no-154-winter-201718.pdf

Authors: Doblas-Reyes, Francisco / Navarro, Juan / Acosta, Mario / Bellprat, Omar / Bilbao, Roberto / Castrillo, Miguel / Fučkar, Neven / Guemas, Virginie / Lledó, Llorenç / Ménégoz, Martin / Prodhomme, Chloé / Serradell, Kim / Tintó, Oriol / Batté, L. / Volpi, Danila / Ceglar, Andrej / Haarsma, R. / Massonnet, François