The Philippine Atmospheric, Geophysical, and Astronomical Services Administration (Pagasa) has issued a detailed weather forecast for December 3, 2024, highlighting the impacts of the Shear Line and Northeast Monsoon on different parts of the country.
Weather Systems in Effect
- Shear Line: This weather system, which affects the eastern section of Central Luzon, is expected to bring significant rainfall and thunderstorms.
- Northeast Monsoon: Influencing Northern Luzon, the monsoon will contribute to cooler conditions with persistent rains in affected areas.
Forecast Weather Conditions
Areas Affected by the Shear Line
- Metro Manila, Cagayan, Isabela, Quirino, Aurora, Nueva Ecija, Bulacan, Rizal, Quezon, and Kalayaan Islands:
- Weather Condition: Cloudy skies with scattered rains and isolated thunderstorms.
- Impacts: Moderate to heavy rains may lead to flash floods and landslides, particularly in low-lying and mountainous areas.
Areas Affected by the Northeast Monsoon
- Rest of Cagayan Valley and Cordillera Administrative Region:
- Weather Condition: Cloudy skies with rain.
- Impacts: Moderate to heavy rainfall could trigger flash floods or landslides in susceptible areas.
- Ilocos Region:
- Weather Condition: Partly cloudy to cloudy skies with isolated light rains.
- Impacts: No significant weather-related impacts are anticipated.
Localized Thunderstorms
- Rest of the Country:
- Weather Condition: Partly cloudy to cloudy skies with isolated rain showers or thunderstorms.
- Impacts: Severe thunderstorms may cause localized flash floods or landslides.
Rainfall Outlook
Pagasa has issued a heavy rainfall outlook due to the Shear Line for the following areas:
- Today, December 3:
- Heavy to Intense (100-200 mm): Isabela.
- Moderate to Heavy (50-100 mm): Cagayan and Aurora.
- Tomorrow, December 4:
- Heavy to Intense (100-200 mm): Cagayan.
- Moderate to Heavy (50-100 mm): Isabela.
- Thursday, December 5:
- Moderate to Heavy (50-100 mm): Cagayan and Isabela.
Rainfall may intensify in mountainous and elevated regions, potentially exacerbating flooding risks and landslides due to accumulated precipitation.
Wind and Coastal Water Conditions
- Northern Luzon:
- Wind Speed: Moderate to strong from the northeast.
- Coastal Waters: Moderate to rough seas with waves ranging from 2.1 to 3.1 meters.
- Rest of the Country:
- Wind Speed: Light to moderate from the east to northeast.
- Coastal Waters: Slight to moderate seas with wave heights from 0.6 to 2.5 meters.
No Tropical Cyclones Monitored
As of 2:00 AM, Pagasa has not detected any low-pressure areas that could develop into tropical cyclones.
Advisories and Precautions
Residents in areas affected by heavy rainfall are advised to stay alert for potential flash floods and landslides. Those in coastal regions, especially in Northern Luzon, should monitor sea conditions and heed the advice of local authorities.
Stay updated with Pagasa’s regular bulletins for further information and developments.