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Pagasa warns of intensified monsoon rains across northern, central regions

The state weather bureau is forecasting concentrated heavy rainfall over Northern and Central Luzon beginning Thursday as the southwest monsoon strengthens. Residents in affected areas are advised to prepare for potential flooding and landslides.

LSN Philippines · 19 August 2026

The Philippine Atmospheric, Geophysical and Astronomical Services Administration warned Wednesday evening that the habagat, or southwest monsoon, will bring enhanced rainfall to Northern and Central Luzon from Thursday onward. According to Pagasa weather specialist Loriedin de la Cruz-Galicia, the convergence zone associated with the monsoon system will maintain its position over the northern and central portions of the main island, creating conditions favorable for sustained heavy precipitation.

The weather bureau's 5 p.m. advisory indicated that the concentrated rainfall pattern would persist through the forecast period, with the potential to trigger flooding in low-lying areas and landslides in mountainous and hilly terrain. Residents, local government units, and disaster response agencies are urged to maintain heightened preparedness as the system develops.

The southwest monsoon is a regular weather phenomenon during the summer months that brings moisture-laden winds from the Indian Ocean. While the rains are essential for agricultural activities and water resources in the region, the intensity of the current system underscores the importance of updated weather monitoring and early warning systems. Pagasa will continue to issue regular weather advisories as the situation evolves.