September 15. The depression tracked slowly west-northwestward for several days, before turning northeastward on September 23. Thereafter, the depression began moving erratically, with multiple small cyclonic loops from September 24 to September 28, before curving northward and then northeastward. By September 30, the depression became extratropical while well southwest of the Azores. The next tropical depression developed from a low which formed along either a trough or decaying front to the northeast of the Lesser Antilles on October 25. However, the depression transitioned into an extratropical cyclone by the following day. The final tropical cyclone of the season developed just north of Martinique on November 28. The depression moved westward and then curved northwestward, passing near the eastern tip of the Dominican Republic on November 30. Early the following day, the depression was absorbed by a cold front to the northeast of the Turks and Caicos Islands. Storm names This was the first season in which the Air Weather Service began assigning names to tropical cyclones using the Joint Army/Navy Phonetic Alphabet. However, the use of these names were limited to internal communications between weather centers and aircraft, not in public bulletins. The names are also not listed in HURDAT. Names that were not assigned are marked in . The following names were used: Season effects See also List of tropical cyclones Atlantic hurricane season 1900–1950 South-West Indian Ocean cyclone seasons 1940s Australian region cyclone seasons 1940s South Pacific cyclone seasons Notes References External links 1947 Monthly Weather Review 1947 1947 meteorology 1947 natural disasters