It is officially rainy season in the Philippines. Everyday, rains brought by monsoon winds hampering different provinces, including Metro Manila. There are already reported deaths, even if without typhoon. Flooding usually accompanies heavy rains. Sometimes flooding occurs even if rains are not heavy, but continuous. Although a detailed mapping of flood-prone areas in the Philippines has yet to be accomplished, people within some communities need not to be told about the vulnerability of their places for flooding because of their previous experiences. Not all floods are alike. Some floods develop slowly, or over a period of days. Destructive floods may also occur outside a defined river stream, such as when…