Forming Coming_to_be out of an upper-level low pressure system on November 29 near the island of Rarotonga , or roughly 1,470 mi ( 2,365 km ) southeast of Fiji , Trina remained practically stationary as it meandered in the same general area for over a week .

The system was first noted Know on December 3 , 1991 as a shallow tropical depression that was embedded Connect within the monsoon trough , to the north of the Cook Island : Rarotonga .