TY - GEN AU - Irina Sandu AU - Ayrton Zadra AU - Nils Wedi BT - ECMWF newsletter C1 - Research DA - 2017 DO - 10.21957/icghjblyn7 IS - 150 LA - eng PY - 2017 SE - Meteorology SP - 18 EP - 24 T2 - ECMWF newsletter TI - Impact of orographic drag on forecast skill UR - https://www.ecmwf.int/node/18163 ER -