On October 12, the system was finally declared a tropical depression.

Over the following two days, the system gradually organized as it moved northwest and was declared a tropical depression on September 9.

Over the following day, an area of low pressure developed within the disturbance and was subsequently declared a tropical depression.

Moving west-northwest, the system was declared a tropical depression far from land the next day.

The low had become sufficiently organized to be declared a tropical depression the next morning.

Six hours after being declared a depression, the system intensified into a tropical storm and was given the name Lisa.

On the afternoon of April 16, the system was declared a tropical depression.

Six hours after being declared a depression, the system quickly intensified into a tropical storm, at which time it was given the name Rick.

The wave developed a circulation and was declared a tropical depression on July 12.

On October 20, it was declared a depression after shower activity increased.