Weather Advisory

WEATHER ADVISORY NO. 16

FOR: FRONTAL SYSTEM AND LOW PRESSURE AREA WEST OF LUZON
ISSUED AT: 11:00 AM 2021 January 22

  At 10:00 AM today, the Low Pressure Area was estimated based on all available data at 400 km North Northwest of Puerto Princesa City, Palawan or 375 km West of Calapan City, Oriental Mindoro (13.2°N, 117.7°E). The disturbance remains less likely to develop into a tropical depression and may likely dissipate over the West Philippine Sea in the next 36 hours. The effect of the Tail-End of a Frontal System (Shear Line) has weakened. However, a frontal system is currently extending over Extreme Northern Luzon. Hazards affecting land areas: In the next 24 hours, light to moderate with at times heavy rains is likely over Batanes, Babuyan Islands, Zambales, Bataan, Occidental Mindoro including Lubang Island, and the northern portion of Palawan including Calamian Islands. Flooding (including flashfloods) and rain-induced landslides may occur during heavy or prolonged periods of rainfall, especially in areas identified to be highly or very highly susceptible to these hazards or in localities that received significant amount rainfall during the past couple of days or weeks. Adjacent or nearby areas may also experience flooding in the absence of such rainfall occurrence due to surface runoff or swelling of river channels. The public and disaster risk reduction and management offices concerned are advised to take appropriate measures and watch for the next update on this weather disturbance to be incorporated in the 24-Hour Public Weather Forecast at 4:00 PM today and 4:00 AM tomorrow. PAGASA Regional Services Divisions will issue local thunderstorm/rainfall advisories and heavy rainfall warnings in their respective areas of responsibility while the Hydrometeorology Division and River Basin Flood Forecasting and Warning Centers will issue general flood advisories and river basin flood advisories/bulletins as appropriate. Unless an intermediate advisory is released, the next weather advisory will be issued at 11:00 AM tomorrow.