Did the ECMWF seasonal forecast model outperform a statistical model over the last 15 years?

GJ van Oldenborgh, MA Balmaseda, L Ferranti, TN Stockdale, DLT Anderson

Bibliographic data

GJ van Oldenborgh, MA Balmaseda, L Ferranti, TN Stockdale, DLT Anderson. Did the ECMWF seasonal forecast model outperform a statistical model over the last 15 years?
Journal: ECMWF Newsletter, Year: 2003, First page: 26, Last page: 28