Tropical depressions that should intensify into a tropical cyclone between the Equator and 25 Â S and between 160 Â E - 120 Â W are named by the Fiji national weather service . Tropical depressions that should intensify into a tropical cyclone between the Equator and 25 Â S and between 160 Â E - 120 Â W are named by the Regional Specialized Meteorological Center in Nadi , Fiji ( RSMC Nadi ) .