Under present weather conditions, At 3:00 PM today, the Low Pressure Area (LPA) was estimated based on all available data at 415 km West of Bacnotan, La Union (16.5°N, 116.5°E). Southwest Monsoon affecting Southern Luzon, Visayas, and Mindanao. . The 12-hour rainfall forecast is light to moderate rains and thunderstorms. WATERCOURSES LIKELY TO BE AFFECTED : + **Quezon** - Rivers and its tributaries particularly Upper Umiray, Lower Bolbok (Lawaya), Malaking-Ilog, Iyam, Macalelon, Catanauan, Silongin Lagda, Pagsanjan, Yabahaan, Bigol, Guinhalinan, Vinas, Calauag, Pandanan, Sta. Lucia, Lugan Malaybalay, Maapon, Bucal (Lalangan), Lakayat, Tignoan, Agos, Anibawan (Polilio Island) and Upper Kilbay - Catabangan. + **Batangas** - Rivers and its tributaries particularly Lian, Banabang-Molino, Pansipit, Kapumpong, Rosario-Lobo and Upper Bolbok (Lawaya). + **Rizal** - Rivers and its tributaries particularly Upper Marikina and Kaliwa. + **Cavite** - Rivers and its tributaries particularly Laboc (Balsahan), Cañas, Ylang-Ylang, Imus, and Maragondon. + **Laguna** - Rivers and its tributaries particularly Pagsanjan, Pila-Sta. Cruz, San Juan and San Cristobal. People living near the mountain slopes and in the low lying areas of the above mentioned river systems and the **Local Disaster Risk Reduction and Management Councils** concerned still advised to take necessary precautionary measures.