Hawaiian authorities ordered the evacuation of 5,500 residents on Oahu as heavy rains from Kona low storms pushed the 120-year-old Wahiawa Dam toward failure.The Hawaii National Guard and emergency crews rescued stranded citizens and airlifted 70 people from an isolated youth camp after floodwaters submerged homes.Mayor Rick Blangiardi monitors the high-hazard dam currently owned by Dole Food Company while officials manage catastrophic damage across the North Shore.This emergency highlights infrastructure risks across the islands where aging dams originally built for the sugar industry require immediate modern repairs.