 On August 20, subsequent to the development of a low-level circulation, an area of convection along the wave developed into a tropical depression while located about 1,000 miles (1,600 km) east-northeast of Grenada.Initially failing to organize further, the depression moved to the west-northwest, and on August 23, it passed through the northern Lesser Antilles.The depression moved to the north of Puerto Rico, Hispaniola, and the Bahamas, and began to show further signs of organization on August 25.