TY - RPRT AU - C. Girard AU - M. Jarraud CY - Shinfield Park, Reading DA - 08/1982 LA - eng M1 - 32 M3 - Technical Report PB - ECMWF PP - Shinfield Park, Reading PY - 1982 EP - 178 TI - Short and medium range forecast differences between a spectral and grid point model. An extensive quasi-operational comparison ER -