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MANILA, Philippines -- (UPDATE - 10:59 a.m.) The southwest monsoon dumped more than half a month’s average of rain on Metro Manila over the last 24 hours, data from the state weather bureau showed Tuesday.
From 8 a.m. Monday to 8 a.m. Tuesday, the Philippine Atmospheric Geophysical Astronomical Services Administration recorded 323.4 millimeters of rainfall, most of this falling 3-8 p.m. Monday, when 91.6 mm of rains were dumped in just five hours.
PAGASA placed Metro Manila's average rainfall for August at 504.2 mm.
Earlier in the day, the weather bureau said rainfall over its Science Garden in Quezon City was 222.6 millimeters over nine hours and 154 mm in Manila’s Port Area.
While the torrential rains raised fears of a repeat of the devastating floods caused by storm “Ondoy” on September 26, 2009, PAGASA’s data showed the current rainfall was only roughly half of that.
Ondoy dumped 341 mm of rains, more than a month's worth, in just six hours, submerging nearly 80 percent of Metro Manila and adjacent areas. Hourly rainfall at the time was pegged at a record-breaking 56.8 mm per hour.
Past 8 a.m., PAGASA observed torrential rains of 30mm/hour over Metro Manila in two hours and said heavy to intense rains of 15-30mm/hr could be expected for at least two hours more.
Radio reports said parts of North Fairview were waist-deep in floods and Barangay Sta. Monica there was being evacuated.
Parts of Las Pinas and Malabon were also reported neck-deep.
The Tullahan River has also overflowed while in San Mateo, Rizal, forced evacuation has been ordered.
A number of roads around Quezon City Hall were also reported impassable.