NEW : Grizzlies is expected to open the spillway once river flows hit a trigger . In Arkansas , the Farm Bureau estimated that damage to the state 's agriculture could top more than $ 500 million as more than 1 million acres of cropland are under water . NEW : Projections indicate the tipping point could come as early as Saturday , Jindal says . NEW : the Morganza Spillway has not been opened since as early as Saturday . Opening The Morganza Spillway would flood The Mississippi River .
NEW : Grizzlies is expected to open the spillway once river flows hit a trigger . NEW : Projections indicate the tipping point could come as early as Saturday , Jindal says . NEW : the Morganza Spillway has not been opened since as early as Saturday . Opening The Morganza Spillway would flood The Mississippi River .