Places recently hit hard -- like Kerrville, Texas, and Burnet, Texas -- are inside this heightened potential for flash flooding, with any heavy rain and flash flooding that occurs over or adjacent to these areas likely to flow downstream via rivers that run through or nearby these devastated areas.

A commissioner in Kerr County, where the worst flooding occurred, said people were “cursing us for our decisions.” Official evacuations did not occur for hours after the first Weather Service warning.

U.S. Homeland Security Secretary Kristi Noem speaks during a press conference to discuss the U.S. Department of Agriculture (USDA)'s "National Farm Security Action Plan", outside the USDA in Washington,