MANILA, Philippines – The shear line was causing a rainy Christmas Eve in Southern Luzon, Central Luzon, and Eastern Visayas on Tuesday, December 24.
The shear line refers to the point where cold air from the northeast monsoon or amihan converges with the easterlies or warm winds from the Pacific Ocean.
In an advisory issued at 5 pm on Tuesday, the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) said the shear line is affecting the following areas:
Tuesday noon, December 24, to Wednesday noon, December 25
- Heavy to intense rain (100-200 millimeters): Aurora, Quezon, Camarines Norte, Camarines Sur, Catanduanes
- Moderate to heavy rain (50-100 mm): Metro Manila, Bulacan, Cavite, Laguna, Batangas, Rizal, Albay, Sorsogon, Masbate, Marinduque, Romblon, Oriental Mindoro, Northern Samar
Wednesday noon, December 25, to Thursday noon, December 26
- Heavy to intense rain (100-200 mm): Aurora, Quezon, Camarines Norte
- Moderate to heavy rain (50-100 mm): Isabela, Metro Manila, Rizal, Laguna, Bulacan, Nueva Ecija, Camarines Sur, Catanduanes, Albay, Sorsogon, Oriental Mindoro, Marinduque, Romblon
Thursday noon, December 26, to Friday noon, December 27
- Heavy to intense rain (100-200 mm): Aurora, Quezon
- Moderate to heavy rain (50-100 mm): Cagayan, Isabela, Camarines Norte
Floods and landslides are likely, especially in areas with heavy to intense rain.
Floods and landslides are likely, especially in areas with heavy to intense rain.

