Three days later, the tropical wave developed into a tropical depression.

This wave gradually increased in organization, and developed into a tropical depression on September 11.

Even though convection associated with the system increased on two separate occasions, the tropical wave did not develop further.

The wave developed into an area of low pressure that afternoon.

This wave of promotions developed early, even in the first weeks of November.

By this point, the wave had developed into a tropical depression, the eleventh of the season.

The wave gradually developed, and the system was designated a tropical depression on August 19.

The wave developed to a tropical depression on July 22.

When it reached the southwestern Caribbean, the wave developed a closed, well defined circulation.

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