The system weakened into an area of low pressure over water on December 22.
It begin to move south east and soon weakened into a tropical low.
It quickly weakened into a tropical low late on August 29.
On the next day, the depression weakened into a tropical low.
Two days later, Frank weakened back into a tropical storm.
Over the next 48 hours, the system continued to weaken into a tropical storm.
It weakened into a tropical depression three days later, on July 16.
It turned to the west, weakening into a tropical depression the next day.
It then weakened into a tropical storm on the evening of August 27.
The system weakened into a tropical depression status on September 30.
