sentences:  During that day as the system moved into the South Pacific basin, it developed into a tropical depression.The system subsequently moved south-eastwards and passed between Vanuatu and New Caledonia, before it was last noted on April 7, while it was located about to the northeast of Norfolk Island.On April 16, a tropical disturbance developed about 1365 km (835 mi) northwest of New Caledonia, consisting of an elongated circulation within a marginal upper-level environment.