CROSS-EQUATORIAL CURRENTS AND THE GENESIS OF TYPHOON

The daily weather maps of the 850 hPa level and the monthly mean wind maps of tropical regions published by ECMWF are utilized to study the cross-eguatorial currents. It is found out that there are 3 branches of the cross-equatorial current in the area between the east coast of Africa and the West Pacific. The effect of the cross-equatorial current originnated from the north coast of Australia on the typhoon genesis in the Northwest Pacific region is very important.