The center of Tropical Storm Gustav is pictured over the Caribbean Sea in this NOAA satellite image taken early August 29, 2008. Gustav, which strengthened back to a hurricane on Friday as it headed toward the Cayman Islands, was expected to build to a dangerous Category 3 storm by the time it hits land in the United States on Tuesday, U.S. emergency officials said.
The center of Tropical Storm Gustav is pictured over the Caribbean Sea in this NOAA satellite image taken early August 29, 2008. Hurricane Gustav gathered strength over the warm waters of the Caribbean on Friday roaring toward the Cayman Islands and the Gulf of Mexico on the third anniversary of Hurricane Katrina's deadly strike on New Orleans.