TY - GEN AU - G.J. van Oldenborgh AU - Magdalena Alonso-Balmaseda AU - Laura Ferranti AU - Tim Stockdale AU - D.L.T. Anderson BT - ECMWF Technical Memoranda CY - Shinfield Park, Reading DA - 09/2003 DO - 10.21957/in9fnw5wu LA - eng M1 - 418 PB - ECMWF PP - Shinfield Park, Reading PY - 2003 EP - 34 T2 - ECMWF Technical Memoranda TI - Did the ECMWF seasonal forecast model outperform a statistical model over the last 15 years? UR - https://www.ecmwf.int/node/12894 ER -