A tropical depression, locally named "Onyok", was heading for the southern island of Mindanao as Melor moved further out to the South China Sea after claiming at least 20 lives, the government weather bureau reported Thursday.
Melor tore in from the Pacific Ocean and hit the eastern Philippines on Monday, then caused major flooding across the central and northern regions of the archipelago throughout the week.
Although the typhoon left the Philippines yesterday, floodwaters about a metre (three feet) deep still covered farming regions about an hour's drive north of Manila, the national capital.
"Maybe tonight, it will hit four to five feet," Blanco told AFP.
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"But people are not leaving unless they are forced to do so. They are used to this situation."
In the riverside town of Macabebe, about 42 kilometres (26 miles) north of Manila, men with rolled up trousers and women holding up their skirts waded through knee-deep waters, carrying sacks of groceries and bottles of drinking water on their shoulders.
On the mainly rural southern island of Mindanao, which will be hit by Onyok, preparations were underway for the depression which is forecast to hit on Friday.
Although Onyok is only a tropical depression, it is forecast to bring heavy rain to areas not used to fierce weather.
The Philippines is hit with about 20 major storms a year, many of them deadly, but they normally strike north of Mindanao.
But some of the storms have in recent years tracked further south, catching residents unprepared with horrific consequences.