The system moved westward and organized due to generally favorable conditions.

The system organized into a tropical depression on September 18.

By May 17 the system had organized sufficiently to become a tropical depression.

On October 20, the system became better organized as expected.

Over the following few days, the system gradually organized into a tropical depression.

Gradually, the system organized on July 2 and formed a broad low pressure area.

A social system with religious leaders and a ruling class organized a substantial population.

The system slowly organized, becoming a tropical depression on November 4.

The system quickly organized itself, strengthening into a tropical storm on the morning of July 7.

The system gradually organized and became a tropical depression on September 9.