1984–85 South Pacific cyclone season

The United States Joint Typhoon Warning Center (JTWC) and other national meteorological services including Météo-France and NOAA also monitored the basin during the season.

On January 13, TCWC Nadi started to monitor a shallow depression that had developed within the monsoon trough about 725 km (450 mi) to the west of Espiritu Santo, Vanuatu.

[3][4] The system was subsequently named Eric by TCWC Nadi as it moved closer to Espiritu Santo and became equivalent to a category 1 tropical cyclone.

[3] Eric subsequently became equivalent to a category 3 severe tropical cyclone early the next day, before an Air Pacific flight from Fiji to the Solomon Islands located the systems eye on radar.

During the next day the system continued to move eastwards and developed an eye, before it became equivalent to a modern-day category 3 severe tropical cyclone.

Having a distinct rainband and well defined outflow with low wind shear and warm water temperature, Hina underwent a period of Explosive Deepening (rapid intensification) The storm continued southward.