While the normal standards for numbering tropical depressions in the Atlantic indicate that the old name\/number is retained when a depression dissipates and regenerates , satellite data indicated that a second tropical wave combined with Tropical Depression Ten north of Puerto Rico to form a new , much more advanced system , which was then designated as Tropical Depression Twelve .
While the normal standards for numbering tropical depressions in the Atlantic shows that the old name\/number is kept when a depression dissipates and regenerates , satellite data indicated that a second tropical wave combined with Tropical Depression Ten north of Puerto Rico to form a new , much more advanced system , which was then named as Tropical Depression Twelve .