MANILA, Philippines — Cool weather, cloudy skies, and rain will occur Saturday, Jan. 11, in certain portions of the country due to the effects of three weather systems234win, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa) said.

In an early Saturday morning bulletin, the state weather agency said the northeast monsoon, locally termed amihan, would make the weather cold and cause overcast skies with rains in the Cordillera Administrative Region, Cagayan Valley, Aurora, and Quezon.

The northeast monsoon was also forecast to bring partly cloudy to cloudy skies and possibly isolated rain showers to Metro Manila and other parts of Luzon.

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(Satellite image from the Philippine Atmospheric, Geophysical and Astronomical Services Administration)

Pagasa expert Grace Castañeda likewise said during the Saturday morning weathercast that the Bicol Region, Mimaropa, and Visayas will experience overcast skies with rains due to the shear line, the zone where warm winds from the Pacific Ocean – or easterlies – clash with cold winds from the northeast monsoon.

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“These rains are moderate to heavy, sometimes intense, especially in the Bicol Region,” she explained in mixed Filipino and English.

READ: Bicol Region to experience heavy rain this weekend – Pagasa

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Castañeda added that Samar provinces will see moderate to heavy rain fall on Saturday, warning that it may cause flooding and landslides.

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The third weather system – intertropical convergence zone (ITCZ) – will influence atmospheric conditions in Mindanao, according to Pagasa.

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It will trigger rains in the Davao Region and Soccsksargen on Saturday, it noted.

In an interview, DA Assistant Secretary Arnel De Mesa said importers may surpass last year’s volume to supplement the country’s strong harvest in terms of maintaining a stable rice supply in the country.

For the rest of Mindanao, isolated rain showers due to localized thunderstorms will occur, Pagasa added.

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“During severe thunderstorms, these rains may be moderate to heavy,” Castañeda explained.

READ: No LPA, cyclone in next days; monsoon, shear line to prevail Jan 9

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As for ocean conditions nationwide, Pagasa hoisted a gale warning over the seaboards of the following:

Batanes Ilocos Norte Ilocos Sur La Union western Pangasinan Cagayan, including Babuyan Islands Isabela Aurora northern and eastern Polillo Islands Calaguas Islands northern and eastern Catanduanes

The coasts of these areas were predicted to have 2.8 to 5.5 meters high waves on Saturday.234win

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