11, convection became slightly better organized, and the next day broad cyclonic turning became evident. However, overall development was hindered by upper-level wind shear from Hurricane Ivan in the Caribbean, as well as from an upper-level low to the north of the wave. Late on September 12, while approaching the northern Lesser Antilles, convection increased and became better organized around an area of increased cyclonic turning. Environmental conditions became more favorable, allowing for the development of a low-pressure area and for banding features to increase. Late on September 13, with the formation of a broad low-level circulation, it is estimated the system developed into Tropical Depression Eleven about east-southeast of Guadeloupe. Upon first becoming a tropical cyclone, the depression was located to the south of the subtropical ridge, resulting in a west-northwest track which brought the center over Guadeloupe. The circulation was initially broad, and dry air temporarily entrained the northwest quadrant of the storm. However, environmental conditions were favorable enough for further development, with a deepening trough to its west providing beneficial flow. Banding features improved around the circulation, and the National Hurricane Center upgraded the depression to Tropical Storm Jeanne on September 13 about southeast of Saint Croix. While crossing the Lesser Antilles, the storm brought locally heavy rainfall, with a total of reported in Guadeloupe. Tropical Storm Jeanne quickly organized over the eastern Caribbean Sea, developing a tight inner core and well-defined outflow as it tracked over warm water temperatures of about 84 °F (29 °C). Initially, the storm was forecast to attain hurricane status before crossing Puerto Rico. However, its organization deteriorated by early on September 15, with radar imagery tracking a low-level circulation moving away from the convection. The temporary weakening was due to increased shear and dry air. At 1600 UTC on September 15, Jeanne made landfall near Guayama, Puerto Rico with winds of , and as it moved ashore it was in the process of developing an eye. Across the territory, the storm produced heavy rainfall, peaking at on Vieques Island. Rainfall across the region resulted in moderate to severe river flooding, with several river stations in Puerto Rico reporting historical levels. Light winds, generally around tropical storm force, affected the region as well. Second landfall and reorganization Tropical Storm Jeanne remained over Puerto Rico for about eight hours, during which it maintained its eye feature and well-defined inner core of convection. It