The final three floodgates are lowered into position at the London Ave. outflow canal in New Orleans, Friday, Sept. 2, 2011. With the approach of Tropical Storm Lee forcing high water frofm Lake Pontchartrain into the canal the U.S. Army Corps of Engineers closed the gates to protect the canal from high water. (AP Photo/Bill Haber)
Tropical Storm Lee formed in the waters off Louisiana on Friday, threatening a drenching along much of the Gulf Coast over the Labor Day weekend with up to 20 inches (50 centimeters) of rain in some spots.
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