The southwest monsoon, enhanced by Typhoon ''Hanna'' and two tropical cyclones outside the Philippine Area of Responsibility is expected to bring ''significant amount of rains'' in Metro Manila and other areas from Saturday to Monday.

The Philippine Atmopsheric, Geophysical and Astronomical Services Administration (Pagasa) said 50 millimeters to 100 millimeters of rain are expected over Metro Manila, Abra, Benguet, Tarlac, Nueva Ecija, Pampanga, Bulacan, Rizal, Cavite and Batangas Saturday to Monday.

Rains between 100 millimeters to 200 millimeters are forecast for Ilocos Region, Zambales, Bataan and Occidental Mindoro for Saturday and Sunday, Pagasa added.

On Monday, Occidental Mindoro, Northern Palawan including Cuyo and Calamian Islands, and Antique will be experiencing rains between 50 millimeters to 100 millimeters. Only Zambales and Bataan are forecast to receive rainfall between 100 millimeters and 200 millimeters. DMS