Manila, March 21 -- Most parts of the country will experience rains due to three weather systems, the weather bureau said Friday.

Scattered rains and isolated thunderstorms caused by the shear line will prevail across the Visayas, Albay, Sorsogon, Catanduanes, Masbate, and Dinagat Islands, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) said in its 4 a.m. bulletin.

The shear line will bring moderate to heavy rains over Sorsogon, Masbate, Northern Samar, Eastern Samar, Samar, Biliran, Leyte, and Southern Leyte.

Scattered rains and thunderstorms are likewise forecast in the Davao Region, Zamboanga Peninsula, Sarangani, Basilan, Sulu, Tawi-Tawi, and Palawan due to the easterlies.

The northeast mo...