TY - RPRT AU - M. Kanamitsu CY - Shinfield Park, Reading DA - 09/1985 LA - eng M1 - 49 M3 - Technical Report PB - ECMWF PP - Shinfield Park, Reading PY - 1985 EP - 73 TI - A study of the predictability of the ECMWF operational forecast model in the tropics ER -