 In Louisiana , wind @-@ blown sand from the beach spread over area highways due to the hurricane . A total of 16 @.@ 70 inches ( <unk> mm ) of rainfall fell at Golden Meadow , Louisiana . <unk> , Louisiana 's pressure fell to 29 @.@ 03 inHg ( 983 @.@ 1 hPa or mb ) . Hundreds lost their homes in the storm . The storm surge was significant enough to <unk> Grand Isle , Louisiana . At <unk> Lock , the storm tide reached 13 feet ( 4 @.@ 0 m ) . Extensive coastal erosion was caused by the cyclone across the Mississippi Delta . In New Orleans , Louisiana , about 2 @.@ 5 square miles ( 6 @.@ 5 km2 ) were flooded as portions of the seawall were <unk> . <unk> drowned across the region , and crops such as citrus , sugar cane , and <unk> were heavily damaged . 
