To: 639163047000 Type: Auto bId: rId: ID: 30931 [WEATHER UPDATE] Issued at 4:00 AM, 21 December 2023 SYNOPSIS: Northeast Monsoon affecting Northern Luzon. Easterlies affecting the eastern sections of Southern Luzon, Visayas and Mindanao. Forecast Weather Condition Cagayan, Isabela, Aurora, Quezon, and Kalayaan Islands: Cloudy skies with scattered rainshowers and thunderstorms, Shear Line / Trough of LPA, Possible flash floods or landslides due to moderate to heavy rains Cordillera Administrative Region, the rest of Cagayan Valley, Ilocos Norte, and Ilocos Sur: Cloudy skies with rains, Northeast Monsoon Possible flash floods or landslides due to moderate to at times heavy rains, The rest of Ilocos Region: Partly cloudy to cloudy skies with isolated light rains Northeast Monsoon, No significant impact, Metro Manila and the rest of the country: Partly cloudy to cloudy skies with isolated rainshowers or thunderstorms, Easterlies / Localized Thunderstorms, Possible flash floods or landslides during severe thunderstorms