On the morning of the 17th, when the skies had already opened wide over Kaohsiung City, the weather forecast was still saying "areas north of Hsinchu should remain on alert, while in the southern region heavy rains are expected at night."
17 日上午，當高雄市已開始下起傾盆大雨時，氣象預報仍聲稱「新竹以北應提高警戒，南部地區入夜開始受外圍環流影響，將有豪大雨發生。」