TY - GEN KW - newsletter AU - Frédéric Vitart AU - Franco Molteni BT - ECMWF Newsletter C1 - Research DA - 2009 DO - 10.21957/23yrlld06b IS - 121 LA - eng M3 - Meteorology PB - ECMWF PY - 2009 SE - Meteorology SP - 25 EP - 29 T2 - ECMWF Newsletter TI - An experiment with a 46-day Ensemble Prediction System UR - https://www.ecmwf.int/node/17479 ER -