Shear line, ITCZ to bring rains across PH on Rizal Day

The shear line and Intertropical Convergence Zone (ITCZ) are expected to bring moderate to heavy rains to several parts of the Philippines on Rizal Day, December 30, 2024.

Affected areas by the shear line include Cagayan, Apayao, Isabela, Aurora, Quezon, Camarines Norte, Palawan, Sorsogon, Northern Samar, Samar, Eastern Samar, Biliran, Leyte, Southern Leyte, Zamboanga del Norte, Negros Oriental, Siquijor, and Dinagat Islands.

The ITCZ is currently affecting Palawan, Visayas, and Mindanao.

The northeast monsoon, or Amihan, is affecting Northern Luzon and the rest of Central Luzon, bringing rains to these areas.

Specifically, Cagayan, Isabela, Aurora, Quezon, Rizal, Laguna, Oriental Mindoro, Marinduque, Camarines Norte, Camarines Sur, and Catanduanes will have cloudy skies with scattered rains and isolated thunderstorms due to the shear line.

The Zamboanga Peninsula, the rest of MIMAROPA, the rest of Bicol Region, Caraga, Davao Oriental, Misamis Occidental, Misamis Oriental, Lanao del Norte, and Lanao del Sur will experience cloudy skies with scattered rains and thunderstorms due to the ITCZ.

Cordillera Administrative Region and the rest of Cagayan Valley will experience cloudy skies with rains, while Ilocos Region and the rest of Central Luzon will have partly cloudy to cloudy skies with isolated light rains due to the northeast monsoon.

PAGASA warns that moderate to heavy rainfall in affected areas may lead to flash floods or landslides.