TY - GEN AU - K Arpe BT - ECMWF Technical Memoranda CY - Shinfield Park, Reading DA - 1980 DO - 10.21957/7ugrqtl3l LA - eng M1 - 12 PB - ECMWF PP - Shinfield Park, Reading PY - 1980 EP - 36 T2 - ECMWF Technical Memoranda TI - Preliminary assessment of a 50-day run with the ECMWF operational forecast model UR - https://www.ecmwf.int/node/7811 ER -