Rains bring water level at Angat up slightly
Published Jun 30, 2019 11:41 am
By Ellalyn De Vera-Ruiz
The monsoon rains have slightly increased Angat Dam's critically low water level, which have fallen consistently since the start of El Niño early this year.
A part of Angat Dam is seen at Norzagaray, Bulacan. (JANSEN ROMERO / MANILA BULLETIN)
Based on the monitoring of the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), the water level at Angat Dam rose to 158.64 meters on Sunday, or 0.68 m higher than the 157.96 m last Saturday.
However, it is still below the 160m critical level for domestic water supply.
The National Water Resources Board (NWRB) is optimistic that the Angat watershed will continue be fed by the monsoon rains in the coming days.
Last Sunday afternoon, PAGASA said tropical depression “Egay,” which intensified from a low pressure area last Saturday evening, was at 545 kilometers east of Casiguran, Aurora.
It is moving faster at 30 kilometers per hour (kph) west-northwest but may not make landfall over the Philippines.
However, Signal No. 1 was raised over Batanes as the outer cloud band of Egay may bring stormy weather over the province. Egay has maximum sustained winds of 55 kilometers per hour (kph) and gustiness of up to 65 kph, as of Sunday.
The weather disturbance will enhance the southwest monsoon or habagat that will bring light to moderate with at times heavy monsoon rains over Metro Manila, Ilocos Norte, Ilocos Sur, La Union, Pangasinan, Abra, Benguet, Ifugao, Kalinga, Mountain Province, Apayao, Aurora, Bataan, Bulacan, Nueva Ecija, Pampanga, Tarlac, Zambales, Cavite, Laguna, Batangas, Rizal, Quezon, Oriental Mindoro, Occidental Mindoro, Marinduque, Palawan, Romblon, Albay, Camarines Norte, Camarines Sur, Catanduanes, Sorsogon, Masbate, Antique, Aklan, and western part of Iloilo.
Meanwhile, cloudy skies with scattered rain showers and thunderstorms is expected over the rest of Luzon and Western Visayas.
PAGASA advised residents in these areas, especially those living in areas identified to be at high risk of flooding and landslides, to continue monitoring official PAGASA updates.
It also asked the public to take precautionary measures and coordinate with their local government and disaster risk reduction and management offices.
Flood advisories
PAGASA declared three General Flood Advisories (GFA) in Central Luzon, CALABARZON, and MIMAROPA.
Central Luzon, CALABARZON, and MIMAROPA have a 12-hour rainfall forecast. Central Luzon would experience a moderate to occasionally heavy rains and thunderstorms while CALABARZON and MIMAROPA would experience light to moderate rains and thunderstorms.
There are still areas near rivers and streams that could possibly be affected by flood.
Watercourses likely to be affected by flood:
Central Luzon (GFA # 4)
Bataan – Moron and Balanga City
Zambales – Panatawan, Sto. Tomas, Bucau, Bancul and Lawis
CALABARZON (GFA # 2)
Cavite – Labos (Balsahan), Cañas, Ilang-ilang and Imus
Laguna – Pagsanjan, Pila-Sta. Cruz, San Juan, and San Cristobal
Rizal – Upper Marikina and Kaliwa
Batangas – Lian, Banabang-Molino, Pansipit, Kapumpong, Rosario-Labo, and Upper Bolbok (Lawaya)
MIMAROPA (GFA # 2)
Oriental Mindoro – Malaylay-Baco, Pulang Tubig, Mag-asawang Tubig, Butas, Pula, Agsalin, Bansud, Samagui, Bongabon, Baroc, Bulalacao and Balete.
Occidental Mindoro – Abra de Ilog, Cagaray, Labangan, Magbando, Lunintao, Anahawin, Monpong, Amnay, Pola, Pagbahan, Mamburao, and Ibod.
Palawan – Abongan, Lian, Barakbakan, Rizal, Caramay, Langonan, Bubuyan, Bacungan, Iwahig Penal, Inagauan, Aborlan, Malasgao, Apuralian, Baton-baton, Aramayawan, Ihawig, Panitian, Pulot, Lamakan, Kinlugan, Eraan, Tiga Plan, Malabangan, Ilog, Bansang, Conduaga, Culasian, Iwahig (Brookes), Okayan, Canipan, and Busuanga, Coron. (with a report from Carmela Martinez)
A part of Angat Dam is seen at Norzagaray, Bulacan. (JANSEN ROMERO / MANILA BULLETIN)
Based on the monitoring of the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), the water level at Angat Dam rose to 158.64 meters on Sunday, or 0.68 m higher than the 157.96 m last Saturday.
However, it is still below the 160m critical level for domestic water supply.
The National Water Resources Board (NWRB) is optimistic that the Angat watershed will continue be fed by the monsoon rains in the coming days.
Last Sunday afternoon, PAGASA said tropical depression “Egay,” which intensified from a low pressure area last Saturday evening, was at 545 kilometers east of Casiguran, Aurora.
It is moving faster at 30 kilometers per hour (kph) west-northwest but may not make landfall over the Philippines.
However, Signal No. 1 was raised over Batanes as the outer cloud band of Egay may bring stormy weather over the province. Egay has maximum sustained winds of 55 kilometers per hour (kph) and gustiness of up to 65 kph, as of Sunday.
The weather disturbance will enhance the southwest monsoon or habagat that will bring light to moderate with at times heavy monsoon rains over Metro Manila, Ilocos Norte, Ilocos Sur, La Union, Pangasinan, Abra, Benguet, Ifugao, Kalinga, Mountain Province, Apayao, Aurora, Bataan, Bulacan, Nueva Ecija, Pampanga, Tarlac, Zambales, Cavite, Laguna, Batangas, Rizal, Quezon, Oriental Mindoro, Occidental Mindoro, Marinduque, Palawan, Romblon, Albay, Camarines Norte, Camarines Sur, Catanduanes, Sorsogon, Masbate, Antique, Aklan, and western part of Iloilo.
Meanwhile, cloudy skies with scattered rain showers and thunderstorms is expected over the rest of Luzon and Western Visayas.
PAGASA advised residents in these areas, especially those living in areas identified to be at high risk of flooding and landslides, to continue monitoring official PAGASA updates.
It also asked the public to take precautionary measures and coordinate with their local government and disaster risk reduction and management offices.
Flood advisories
PAGASA declared three General Flood Advisories (GFA) in Central Luzon, CALABARZON, and MIMAROPA.
Central Luzon, CALABARZON, and MIMAROPA have a 12-hour rainfall forecast. Central Luzon would experience a moderate to occasionally heavy rains and thunderstorms while CALABARZON and MIMAROPA would experience light to moderate rains and thunderstorms.
There are still areas near rivers and streams that could possibly be affected by flood.
Watercourses likely to be affected by flood:
Central Luzon (GFA # 4)
Bataan – Moron and Balanga City
Zambales – Panatawan, Sto. Tomas, Bucau, Bancul and Lawis
CALABARZON (GFA # 2)
Cavite – Labos (Balsahan), Cañas, Ilang-ilang and Imus
Laguna – Pagsanjan, Pila-Sta. Cruz, San Juan, and San Cristobal
Rizal – Upper Marikina and Kaliwa
Batangas – Lian, Banabang-Molino, Pansipit, Kapumpong, Rosario-Labo, and Upper Bolbok (Lawaya)
MIMAROPA (GFA # 2)
Oriental Mindoro – Malaylay-Baco, Pulang Tubig, Mag-asawang Tubig, Butas, Pula, Agsalin, Bansud, Samagui, Bongabon, Baroc, Bulalacao and Balete.
Occidental Mindoro – Abra de Ilog, Cagaray, Labangan, Magbando, Lunintao, Anahawin, Monpong, Amnay, Pola, Pagbahan, Mamburao, and Ibod.
Palawan – Abongan, Lian, Barakbakan, Rizal, Caramay, Langonan, Bubuyan, Bacungan, Iwahig Penal, Inagauan, Aborlan, Malasgao, Apuralian, Baton-baton, Aramayawan, Ihawig, Panitian, Pulot, Lamakan, Kinlugan, Eraan, Tiga Plan, Malabangan, Ilog, Bansang, Conduaga, Culasian, Iwahig (Brookes), Okayan, Canipan, and Busuanga, Coron. (with a report from Carmela Martinez)