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Several areas in the Visayas and eastern Luzon are expected to experience continued rainfall in the coming days due to the prevailing shear line, the Philippine Atmospheric, Geophysical and Astronomical Services Administration said Tuesday, February 10.
PAGASA weather specialist Veronica Torres explained that a shear line develops when cold air from the northeast monsoon, locally known as amihan, meets warm air from the east.
From Wednesday to Friday, February 11 to 13, the shear line may bring moderate to at times heavy rains over parts of the Visayas. By Saturday, February 14, its axis is forecast to move northward, potentially bringing moderate to at times heavy rains to the eastern section of Southern Luzon.
The state weather bureau cautioned that localized flooding may occur, particularly in urban and low lying areas as well as communities near rivers. Landslides are also possible in areas identified as highly susceptible.
Meanwhile, the northeast monsoon may continue to bring cloudy skies with light rains over Cagayan Valley, the Cordillera Administrative Region, Central Luzon, the rest of the Bicol Region, and Quezon.
Metro Manila and the rest of Luzon may see partly cloudy to cloudy skies with isolated light rains.
Torres said there is currently no low pressure area or tropical cyclone within or near the Philippine Area of Responsibility. However, PAGASA is monitoring a cloud cluster near the boundary of the area as of Tuesday morning.
A gale warning remains in effect over the eastern coasts of Albay and Sorsogon, Eastern Samar, and the northern and eastern coasts of Northern Samar. It also covers the northern coast of Quezon including the northern and eastern coasts of the Polillo Islands, Camarines Norte, the northern coast of Camarines Sur, and Catanduanes.
Sea travel in these areas is considered risky, especially for small seacraft, PAGASA said.