By By Sonali Basak Bloomberg Hurricane Harvey's second act across southern Texas is turning into an economic catastrophe -- with damages likely to stretch into tens of billions of dollars and an unusually large share of victims lacking adequate insurance, according to early estimates. Harvey's cost could mount to $30 billion when including the impact of relentless flooding on the labor force, power grid, transportation and other elements that support the region's energy sector, Chuck Watson, a disaster modeler with Enki Research, said in an email Monday.