Law enforcement officers and first responders help a family to reach dry land after they were rescued from floodwaters caused by Isaac in Pearlington, Miss., Wednesday, Aug. 29, 2012, during a nonstop rain. A number of residents of the small community were trapped by the rising waters and had be rescued or waited until the low tide when waters receded so they could walk out. (AP Photo/Rogelio V. Solis)
Gallery: More photos from Hurricane Isaac
Aug. 30, 2012 @ 11:37 AM
Hurricane Isaac poured unrelenting rain Thursday, flooding areas north and south of New Orleans even as the city's fortified defenses held and forcing officials to launch speedy evacuation and rescue efforts in the face of fast-rising waters.