When a tropical depression intensifies into a tropical cyclone between the Equator and 10 Â S and between 90 Â E - 125 Â E , it will be named by the Indonesian Weather Service . When a tropical depression intensifies into a tropical cyclone between the Equator and 10 Â S and between 90 Â E and 125 Â E then it will be named by TCWC Jakarta .