Rains increase water levels in major dams in Luzon, PAGASA says

Robie de Guzman   •   October 12, 2020   •   727

MANILA, Philippines – Water levels in dams across Luzon have increased following days of rains, the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) said Monday.

Data from PAGASA showed that as of 6 a.m. Oct. 12, the water level of Angat dam has significantly increased to 181.98 meters, which is 2.39 meters higher than the 179.59 meters recorded last Sunday.

While it is above its 180-meter minimum operating level, PAGASA said the current level is still below its 210-meter normal high water level during the rainy season.

“Ngayon ang pinakamababang bagsak ng tubig na Angat (dam)… Dapat ngayong mga panahon na ito, nasa mga 200 meters na tayo para pagdating ng Disyembre meron tayong sapat na tubig,” PAGASA Hydrologist Maximo Peralta told UNTV News in a phone interview.

Angat dam supplies water to Metro Manila and nearby provinces.

Other dams in Luzon being monitored by the bureau also saw slight increases in water levels on Monday.

Ipo dam’s water level is currently at 101.11 meters which is slightly higher than its normal high water level of 101 meters.

The management of Ipo Dam has been discharging water after the dam reached its spilling level.

La Mesa dam water level is also nearing its overflowing level of 80.15 after it rose to  79.73 meters.

Dam authorities have earlier advised areas along Tullahan river to be alert of possible flooding should the dam breach its spilling level.

Magat dam in Isabela currently has a water level of 182.20 meters, below the spilling level of 193 meters.

PAGASA said the rains in the past few days have helped boost the levels of water in dams.

The weather bureau said dam levels are expected to further rise due to rains brought about by the La Niña phenomenon that has started this October.

Around 5 to 8 more tropical cyclones are also expected to enter the Philippine area of responsibility from October this year to March next year which may also help dams in the country reach their normal high water levels. – RRD (with details from Correspondent Rey Pelayo)

Signal nos. 1 and 2 still up in parts of Luzon as Maring nears exit

Aileen Cerrudo   •   October 12, 2021

MANILA, Philippines—  Tropical cyclone wind signals are still raised over parts of Luzon as severe tropical storm “Maring” is about to exit the Philippine Area of Responsibility (PAR).

According to PAGASA, Maring was located 315 km West of Calayan, Cagayan and will continue to move westward over the West Philippine Sea. It has maximum sustained winds of 100 km/h near the center and gustiness of up to 125 km/h.

Heavy to intense rains are highly likely over Ilocos Region, Benguet, Ifugao, Abra, and Mountain Province.

Moderate to heavy rains are highly likely over Zambales, Bataan, Tarlac, and the rest of Cordillera Administrative Region.

Light to moderate with at times heavy rains are likely over Metro Manila, Cagayan Valley, and the rest Central Luzon.

TCWS No. 2  prevails in the following areas:

  • Batanes
  • Cagayan including Babuyan Islands
  • The northern portion of Isabela (Palanan, Divilacan, Maconacon, Ilagan City, Tumauini, Cabagan, San Pablo, Santa Maria, Santo Tomas, Delfin Albano, Quirino, Gamu, Roxas, Mallig, Quezon)
  • Apayao
  • Kalinga
  • Mountain Provinc
  • Abra
  • Ilocos Norte
  • Ilocos Sur

Meanwhile, Signal No. 1 has been raised in the following areas:

  • The rest of Isabela
  • Nueva Vizcaya
  • Quirino
  • Ifugao
  • Benguet
  • La Union
  • Pangasinan
  • Aurora
  • Nueva Ecija
  • Tarlac
  • Zambales
  • Pampanga
  • Bulacan
  • The northern portion of Bataan (Samal, Morong, Dinalupihan, Abucay, Orani, Hermosa)
  • The northern portion of Quezon (General Nakar, Infanta) including Polillo Islands

Within the next 36 hours,  Maring is forecast to gradually intensify but is becoming less likely to reach typhoon category prior to making landfall over Hainan Island in China.

The state weather bureau continues to remind the public and disaster risk reduction and management offices concerned to take all necessary measures to protect life and property. AAC

 

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TD Lannie moves towards Camotes Sea; signal no. 1 raised in parts of Luzon

Aileen Cerrudo   •   October 4, 2021

MANILA, Philippines—Tropical Depression Lannie is now over the Canigao Channel and heading towards Camotes Sea, according to the latest bulletin of PAGASA.

The 11:00 a.m. update of the state weather bureau said Lannie  is over the coastal waters of Maasin City, Southern Leyte heading west northwestward at 20 km/h with maximum sustained winds of 45 km/h near the center, gustiness of up to 55 km/h.

From Monday (October 4) until Tuesday, the weather disturbance will bring moderate to heavy with at times intense rains over Visayas, MIMAROPA, Albay, Sorsogon, Masbate including Ticao and Burias Islands, and Dinagat Islands.

Light to moderate with at times heavy rains will be experienced over CALABARZON and the rest of Bicol Region and Mindanao.

Tropical cyclone wind signal (TCWS) no. 1 has been raised in the following areas:

Luzon
The southern portion of Masbate (Pio V. Corpuz, Cataingan, Palanas, Dimasalang, Uson, Mobo, Milagros, Mandaon, Esperanza, Placer, Cawayan, Balud), the southern portion of Romblon (Cajidiocan, San Fernando, Magdiwang, Santa Maria, Odiongan, Alcantara, Ferrol, Looc, Santa Fe, San Jose), the southern portion of Oriental Mindoro (Roxas, Mansalay, Bulalacao, Bongabong), the southern portion of Occidental Mindoro (Sablayan, Calintaan, Rizal, San Jose, Magsaysay), and the northern portion of Palawan (El Nido, Taytay, Dumaran, Araceli) including Calamian and Cuyo Islands.
Visayas
Eastern Samar, Samar, Biliran, Leyte, Southern Leyte, Capiz, Aklan, Antique, Iloilo, Guimaras, Negros Occidental, the northern and central portions of Negros Oriental (Bais City, Mabinay, City of Bayawan, Basay, City of Tanjay, Manjuyod, Bindoy, Ayungon, Tayasan, Jimalalud, La Libertad, City of Guihulngan, Vallehermoso, Canlaon City), Cebu, and Bohol
Mindanao
Surigao del Norte, Dinagat Islands, the northern portion of Agusan del Norte (Magallanes, Remedios T. Romualdez, City of Cabadbaran, Tubay, Santiago, Jabonga, Kitcharao, Butuan City), and Camiguin

Lannie, according to PAGASA, is forecast to exit the Philippine Area of Responsibility on Thursday morning (October 7). AAC

Trough of Typhoon Mindulle affecting Bicol Region, Eastern Visayas

Marje Pelayo   •   September 27, 2021

MANILA, Philippines – The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) is monitoring the movement of Typhoon Mindulle south of the country.

As of 4:00 AM Monday (September 27), the typhoon remains outside of the Philippine area of responsibility (PAR) but is affecting eastern sections of Southern Luzon specifically Bicol Region, and Eastern Visayas.

PAGASA located the center of the typhoon at 1,600 kilometers east of extreme northern Luzon. It is slightly weakening due to its eyewall replacement cycle.

According to PAGASA weather specialist Ariel Rojas, ‘Mindulle’ is forecast to intensify while still in the Philippine Sea.

It is not expected to directly affect the country though it may enter PAR by Tuesday (September 28) and eventually exit on Wednesday (September 29).

Once inside PAR, it will be named ‘Lani’ being the 12th tropical cyclone to enter the country.

Meanwhile, Metro Manila and the rest of the country may experience isolated rains due to the trough of Typhoon Mindulle and localized thunderstorms which may cause possible flash floods and landslides during severe thunderstorms.

Apart from ‘Mindulle, the weather agency said there is no other weather disturbance being monitored at present.

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