On May 5, 2009, torrential rain hit parts of northern Luzon as the nation braced for the coming of tropical storm Emong.
In the afternoon of May 6, 2009, typhoon Emong started wreaking havoc. Typhoon signal No. 2 was raised in most parts of Northern and Central Luzon. In the evening of that same day, Magat dam started opening its gates and released water through its channels.
By 3:00 AM of the following day, May 7, 2009, most of the residents in the vicinity of rivers and irrigations in Santiago City were already up as water started rising. By 5:00 AM, some parts of the City, particularly in the poblacion area, were already submereged.
(Above and below) 1:30 PM - RC Miranda Bridge, Calao East. At 9:00AM, this bridge was totally submerged, only the top most part of the yellow railing is exposed.