U.S. Air Force Senior Airman Tiffany Hestand, 375th Security Forces Squadron installation entry controller, warns oncoming traffic of safety hazards from high water, Aug. 12, 2020, at Scott Air Force Base, Ill. High waters and flash flooding occurred from a large storm front that dumped over five inches of water on the base in a matter of hours. (U.S. Air Force photo by Karen Petitt)