Abstract: Based on ECMWF numerical prediction products, a operational satistical numerical interpretation forecast system of the South China sea tropical cyclone tracks is built by means of EEOFS method. In the summer of 1994, The fourteen real-time forecasting for the tracks of nine tropical cyclone is performed under the program of Guangdong Meteorological Bureau for "Tropical Cyclone Operational Experimental Forecast", and the average errors are 187km for 24hr,352km for 48hr.