The Philippine Atmospheric, Geophysical, and Astronomical Services Administration (Pagasa) has issued its latest weather forecast for December 2024, highlighting the combined influence of the Shear Line, Northeast Monsoon, and Intertropical Convergence Zone (ITCZ) across various regions. These weather systems are expected to bring widespread rains, thunderstorms, and potential hazards, prompting advisories for public safety.
Weather Synopsis
The Shear Line is currently affecting the eastern section of Northern Luzon, while the Northeast Monsoon (Amihan) dominates the rest of Northern Luzon. Meanwhile, the ITCZ continues to influence weather conditions in Palawan, Visayas, and Mindanao.
Forecast Weather Conditions
Visayas, Caraga, Davao Region, Zamboanga Peninsula, Bicol Region, and MIMAROPA
- Condition: Cloudy skies with scattered rains and thunderstorms
- Cause: ITCZ
- Impacts: Moderate to heavy rains may result in flash floods or landslides.
Mainland Cagayan, Apayao, Isabela, Aurora, and Quezon
- Condition: Cloudy skies with scattered rains and isolated thunderstorms
- Cause: Shear Line
- Impacts: Moderate to heavy rains may trigger flash floods or landslides.
Batanes and Babuyan Islands
- Condition: Cloudy skies with rains
- Cause: Northeast Monsoon
- Impacts: Possible flash floods or landslides due to moderate to at times heavy rains.
Ilocos Region and the Rest of Cagayan Valley and Cordillera Administrative Region
- Condition: Partly cloudy to cloudy skies with isolated light rains
- Cause: Northeast Monsoon
- Impacts: No significant impact anticipated.
Rest of Mindanao
- Condition: Partly cloudy to cloudy skies with isolated rainshowers or thunderstorms
- Cause: ITCZ
- Impacts: Severe thunderstorms may cause flash floods or landslides.
Metro Manila and the Rest of Luzon
- Condition: Partly cloudy to cloudy skies with isolated rainshowers or thunderstorms
- Cause: Localized Thunderstorms
- Impacts: Possible flash floods or landslides during severe thunderstorms.
Forecast Wind and Coastal Water Conditions
- Northern Luzon: Strong to gale-force winds from the northeast, with rough to very rough coastal waters (2.8–4.5 meters).
- Eastern Philippines: Moderate to strong winds from the east to northeast, with moderate to rough seas (2.1–3.7 meters).
- Rest of the Country: Light to moderate winds from northeast to northwest, with slight to moderate seas (0.6–2.5 meters).