TY - CPAPER AU - Adrian Simmons AU - M. Jarraud BT - Seminar on Numerical Methods for Weather Prediction, 5-9 September 1983 CY - Shinfield Park, Reading DA - 1983 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1983 SP - 113 EP - 164 T2 - Seminar on Numerical Methods for Weather Prediction, 5-9 September 1983 TI - The design and performance of the new ECMWF operational model VL - 2 ER -