The potential flooding could severely impact neighborhoods along the Mendenhall River, with risks of property damage and displacement for thousands of residents. Emergency officials have highlighted the possibility of HESCO barrier failure, which would leave residents with only minutes to respond. Past flooding events in the area have caused significant damage, and the current situation is being closely monitored. Vulnerable areas include Riverside Drive, Meander Way, and other low-lying neighborhoods. The U.S. Army Corps of Engineers has estimated a 20% chance of barrier failure this year, down from 50% last year.