MANILA, Dec. 14 -- Three weather systems are forecast to bring rains over parts of the country, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) said Sunday.

In its 4 a.m. advisory, the weather bureau said the shear line will bring cloudy skies with scattered rains and isolated thunderstorms over Aurora and Quezon.

Caraga and Davao Region will have cloudy skies with scattered rains and thunderstorms due to easterlies.

Metro Manila and the rest of Calabarzon will experience cloudy skies with light rains due to the northeast monsoon (amihan).

Visayas, Bicol Region, Mimaropa, and the rest of Mindanao will have partly cloudy to cloudy skies with isolated rain showers or thunderstorms caused by ea...