Nation Tropical Storm Barry could dump 20 inches of rain on New Orleans, nearing levees’ limits July 12, 2019 Doug Stanglin, Doyle Rice and Leigh Guidry, USA TODAY Comments Off on Tropical Storm Barry could dump 20 inches of rain on New Orleans, nearing levees’ limits Tropical Storm Barry is expected to become a hurricane but its danger is more likely flooding from slow, heavy rains than high winds in Louisiana.