Unfortunately, this unprecedented downpour coincided with a tidal surge in the Ai River, Kaohsiung's main watercourse. With nowhere to go, water backed up through culverts into the streets, causing havoc. By 7 p.m. half the city was flooded.
百年難遇的暴雨襲擊，又適逢高雄主要河道愛河漲潮，雨水無從宣洩，反倒沿著涵箱倒灌流竄，不到晚間七時，大半個高雄地區便成水鄉澤國。