Bicol, other Southern Luzon areas to see heavy rains due to shear line

Bicol and other areas in South Luzon will experience heavy rains from Saturday, Dec. 21, 2024, to Tuesday, Dec. 24, 2024, because of the shear line, according to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa). Provinces in Eastern and Western Visayas will also see similar weather conditions due to the shear line during the same period, it added. (Image from the Philippine Atmospheric, Geophysical and Astronomical Services Administration)

MANILA, Philippines — Bicol and other areas in South Luzon will experience heavy rains from Saturday to Tuesday because of the shear line, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa) said.

Provinces in Eastern and Western Visayas will also see similar weather conditions due to the shear line during the same period, it added.

A shear line is the meeting of warm winds and cold winds that can bring about rain, according to Pagasa.

READ: New LPA seen off Mindanao may become tropical cyclone in 24-48 hrs

The state meteorologist warned that the projected rainfall amount may be higher in areas with higher elevation, advising local government units to take precautions.

In an advisory on Saturday morning,  Pagasa said the weather system is forecast to trigger rains in the following areas:

Saturday (Dec. 21) to Sunday noon (Dec. 22)

Heavy to Intense (100-200 millimeters)

• Quezon
• Camarines Norte
• Oriental Mindoro
• Palawan

Moderate to Heavy (50-100 mm)

• Laguna
• Occidental Mindoro
• Marinduque
• Romblon
• Catanduanes
• Camarines Sur
• Albay
• Sorsogon
• Masbate
• Antique
• Aklan
• Capiz
• Iloilo
• Northern Samar
• Eastern Samar
• Samar

READ: Pagasa: Cloudy skies, rain likely due to shear line, monsoon Dec 21

Sunday noon (Dec. 22) to Monday noon (Dec. 23)

Heavy to Intense (100-200 mm)

• Camarines Norte
• Camarines Sur
• Catanduanes
• Albay
• Sorsogon

Moderate to Heavy (50-100 mm)

• Quezon
• Masbate
• Oriental Mindoro
• Marinduque
• Romblon
• Palawan
• Aklan
• Capiz
• Northern Samar
• Eastern Samar
• Samar

Monday noon (Dec. 23) to Tuesday noon (Dec. 24)

Moderate to Heavy (50-100 mm)

• Quezon
• Camarines Norte
• Camarines Sur
• Catanduanes
• Albay
• Sorsogon
• Masbate
• Oriental Mindoro
• Marinduque
• Northern Samar

Pagasa likewise predicted the shear line to cause cloudy skies and rain over Southern Luzon, Visayas, and parts of Mindanao on Saturday, Dec. 21.