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Angat may return to minimum operating level in Aug as other dams in Luzon record increases – Pagasa


ANGAT dam, the primary source of domestic supply in Metro Manila, may return to its minimum operating level of above 180 meters this August, the state-run weather bureau said.

The Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa) on Sunday recorded an increase of 1.82 meters from the previous day to 174.13 meters, about 6 meters from recovering past the critical low level.

Angat dam has recorded continuous increases since the last week of July due to persistent rains caused by the southwest monsoon and most recently, from typhoon “Hanna.”

Pagasa hydrologist Jason Bausa said Angat has accumulated a total of 9 meters since August 1 and projected that the dam would reach its normal water level before the end of the month.

Kung tataas ng 9 meters pa within 20 days, siguro lalagpas na ng 180 [meters] kung ganon pa rin yung influence na nangyari nung previous na dumaan na bagyong si Hanna,” Bausa said.

(If it will climb to 9 meters more within 20 days, perhaps it will go beyond 180 meters if the previous conditions under typhoon Hanna prevail.)

Angat has dipped to its lowest this year at 157.96 meters on June 30 due to the effects of the weak El Niño. It nearly breached the all-time record low of of 157.56 meters during an El Niño event in 2010.

Meanwhile, Metro Manila’s other sources of water supply have also recorded increases. On Sunday, La Mesa dam has reached 76.56 meters, barely 4 meters away from its normal high water level of 80.15 meters. Ipo dam has 100.92 in its reservoir, a few centimeters from its 101-meter normal high.

Other dams in Luzon have returned to their respective normal measurements. On Sunday, Ambuklao dam reached 751.90 meters, above its 745-meter normal level and near its 752-meter normal high; Binga dam has reached 574.04 meters, above its 565-meter normal level and near its 575 normal high level; and Magat dam has reached 185.29 meters above its 180.05-meter normal level and near its 190 normal high level.

Meanwhile, San Roque has increased to 236.25 meters, a few meters away from the 243.51-meter normal level while Pantabangan dam increased to 192.96 meters, a few meters away from its 205.53-meter normal level. Normal high water level for these dams are 280 for San Roque dam and 216 meters for Pantabangan dam.

Meanwhile, Pagasa said that the effect of the southwest monsoon has weakened after typhoon Hanna left the Philippine Area of Responsibility (PAR) on Friday. However, Pagasa weather specialist Meno Mendoza said that it continued to affect parts of Luzon and Visayas.

Cloudy skies with scattered rain showers and thunderstorms are expected to prevail over the Cordillera Administrative Region (CAR), Ilocos Region, Cagayan Valley Region, and Central Luzon. Metro Manila and the rest of the country are expected to experience partly cloudy to cloudy skies with isolated rain showers.

Meanwhile, gale warning remained up in the seaboards of Northern, Central and Southern Luzon, western and eastern seaboards of Visayas and the northern and western seaboards of Mindanao. Pagasa warned against venturing out into the seas in these areas. DIVINA NOVA JOY DELA CRUZ


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Today’s Front Page January 21, 2020

Today’s Front Page January 21, 2020