Manila, May 19 -- A huge part of the country will experience scattered rains and thunderstorms caused by the intertropical convergence zone (ITCZ) and the easterlies, the weather bureau said Monday.

Moderate to heavy rains may be experienced across Mindanao, Negros Oriental, Siquijor, Palawan due to the ITCZ, and Eastern Samar, Leyte, and Southern Leyte due to the easterlies.

Flash floods or landslides are possible in those areas, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) warned.

The easterlies will also cause isolated rain showers or thunderstorms over Metro Manila and the rest of the country.

Light to moderate winds and slight to moderate seas will prevail across the archipelago.

As ...