WEATHER UPDATE — According to the Philippines Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA), the Shear Line will affect Central Luzon while the North Easterly Wind Flow affects Northern Luzon. 

Weather Update Today – October 20, 2023

PAGASA’s weather update today (October 20, 2023) says Batanes, Cagayan, Isabela, Apayao, and Kalinga will experience cloudy skies with rains caused by the north easterly wind flow. There is a possibility of flash floods or landslides due to moderate to, at times, heavy rains.

Ilocos Region and the rest of Cordillera Administrative Region and Cagayan Valley will experience partly cloudy to cloudy skies with isolated light rains caused by north easterly wind flow. There is no significant impact.

Meanwhile, Metro Manila and the rest of the country will experience partly cloudy to cloudy skies with isolated rain showers or thunderstorms caused by shear line or localized thunderstorms. Possible flash floods or landslides during severe thunderstorms.

According to PAGASA’s Forecast Wind and Coastal Water Condition, Luzon has moderate to strong wind speeds from northeast to east with moderate to rough coastal water (1.2 to 2.8 meters).

As for the rest of the country, the areas have light to moderate wind speeds from southeast to east with slight to moderate (0.6 to 2.1 meters) coastal water conditions. 

Under present weather conditions, the Shear Line affects Central Luzon. Northeasterly Windflow affecting Northern Luzon. The 12-hour rainfall forecast is light to occasionally moderate rains and thunderstorms.

WATERCOURSES LIKELY TO BE AFFECTED:

• Quezon 
• Rizal 

The 12-hour rainfall forecast is light to moderate rains and thunderstorms.

• Aurora

People living near the mountain slopes and in the low-lying areas of the above-mentioned river systems and the Local Disaster Risk Reduction and Management Councils concerned are still advised to take necessary precautionary measures.

Source: (PAGASA)

Also read: PAGASA: Northern Luzon Experiences North Easterly Wind Flow Impact