Tropical Depression Twelve formed over the southeastern Bahamas at 5:00 p.m. EDT ( 2100 UTC ) on August 23 , 2005 , partially from the remains of Tropical Depression Ten , which had dissipated due to the effects of a nearby upper tropospheric trough .
Tropical Depression Twelve formed over the southeastern Bahamas at 5:00 p.m. EDT ( 2100 UTC ) on August 23 , 2005 , partially from the remains of Tropical Depression Ten , which had dissipated from the effects of a nearby upper tropospheric trough .