Members of the South Carolina’s Helicopter Aquatic Rescue Team (SC-HART) perform rescue operations in Port Arthur, Texas, August 31, 2017. The SC-HART team consists of a UH-60 Black Hawk helicopter from the South Carolina Army National Guard with four Soldiers who are partnered with three rescue swimmers from the State Task Force and provide hoist rescue capabilities. Multiple states and agencies nationwide were called to assist citizens impacted by the epic amount of rainfall in Texas and Louisiana from Hurricane Harvey. (Photo: US Air National Guard / Staff Sgt. Daniel J. Martinez)

It was a 25,000-year storm. Its area of 24-inch rainfall was 50 to 100 times greater than anything previously recorded in the lower 48. Up to a million cars may have been flooded. In Harris County alone, 136,000 homes were flooded. Yet the official…