To: 09163047000 Type: Auto bId: rId: ID: 8423 [WEATHER UPDATE] Issued at 4:00 PM, 21 December 2021 SYNOPSIS: Shear Line affecting eastern section of Northern and Central Luzon. Northeast Monsoon affecting the rest of Northern Luzon. Intertropical Convergence Zone (ITCZ) affecting Southern Mindanao. Forecast Weather Condition Batanes, Cagayan, Isabela, and Aurora: Cloudy skies with scattered rainshowers and thunderstorms, Shear Line, Possible flash floods or landslides due to moderate to at times heavy rains Mindanao: Cloudy skies with scattered rainshowers and thunderstorms, ITCZ Possible flash floods or landslides due to moderate to at times heavy rains, Metro Manila, Central Luzon, Cordillera Administrative Region, Ilocos Region, and the rest of Cagayan Valley: Partly cloudy to cloudy skies with isolated rainshowers Northeast Monsoon, No significant impact, The rest of the country: Partly cloudy to cloudy skies with isolated rainshowers or thunderstorms, Localized Thunderstorms, Possible flash floods or landslides during severe thunderstorms -SENT via HANDA