Typhoon Ambo adds 3 meters to Angat Dam’s reserve

Marje Pelayo   •   May 17, 2020   •   761

MANILA, Philippines – The water level in Angat Dam has improved in the aftermath of Typhoon Ambo in Luzon.

According to the latest reading by the Philippine Atmospheric Geophysical Astronomical Services Administration (PAGASA), the weather system has added 3.09 meters of water to Angat Dam’s reserve from 187.53 meters on May 15 to 190.62 meters on 6:00 am, Sunday (May 17).

Angat’s water level is now 10 meters over its normal operating level of 180 meters.

Last week, the National Water Resources Board (NWRB) has increased domestic allocation to Metro Manila from Angat Dam to 48 cubic meters per second from 46 cubic meters per second to maintain enough supply on the duration of the government-imposed community quarantine in view of the coronavirus disease (COVID-19) crisis. –MNP (with reports from Rey Pelayo)

LPA to bring rains over Bicol, Eastern Visayas

Marje Pelayo   •   December 1, 2020

MANILA, Philippines – A low pressure area (LPA) has entered the Philippine area of responsibility (PAR) and is expected to bring rains over some parts of Luzon and the Visayas.

As of 3:00 AM Tuesday (December 1), the LPA is located at 375 km East of Legazpi City, Albay.

According to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), the LPA combined with the effects of the Tail-end of a Frontal System (Shear line) is now affecting the eastern section of Southern Luzon, bringing cloudy skies with scattered rain showers and thunderstorms over the Bicol Region and Eastern Visayas.

Meanwhile, the northeast monsoon is currently affecting Northern and Central Luzon specifically over Cagayan Valley, Cordillera Administrative Region, Aurora, and Quezon, experiencing cloudy skies with light rains.

Monsoon rains will also affect Metro Manila and the rest of Luzon where partly cloudy to cloudy skies with isolated light rains will be experienced throughout the day.

The rest of the country, meanwhile, will have partly cloudy to cloudy skies with isolated rainshowers due to localized thunderstorms.

The weather agency warns that flash floods or landslides during severe thunderstorms are possible in these areas,

PAGASA said the LPA remains less likely to become a tropical depression in the next 24 hours.

PAGASA sees possible ‘back-to-back’ La Niña

Marje Pelayo   •   November 30, 2020

MANILA, Philippines — The country has faced some of the strongest typhoons in history this year.

According to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), this can also be associated with the prevailing episode of La Niña phenomenon, a weather condition where above normal rains are experienced in the country.

The onset of  La Niña in the country started since mid of this year but the state weather agency announced it is likely to extend until next year.

If this happens, PAGASA said, the country will likely experience a ‘back-to-back’  La Niña where the phenomenon prevails for two consecutive years.

“Most models show further strengthening ng  La Niña in November, December, January, and will likely to continue through March, April, and May 2021,” said Anna Solis, PAGASA’s chief of Climate Monitoring and Prediction Section.

“So kung ito ang ipa-follow natin, during the past 15 years baka magkaroon ng ‘back-to-back’  La Niña,” Solis said.

Based on PAGASA’s data, six episodes of ‘back-to-back’  La Niña have been recorded in the country since 2017, the worst one was in 2010 to 2011. MNP (with reports from Rey Pelayo)

PAGASA to decommission 4 cyclone names this year

Marje Pelayo   •   November 30, 2020

MANILA, Philippines — The Philippine Atmospheric, Geophysical and Astronomical Services Administration  (PAGASA) said it is decommissioning four tropical cyclone names this year.

PAGASA decommissions or removes names from list of tropical cyclones when they are particularly destructive, specifically if it caused more than P1 billion worth of damage or claimed at least 300 lives.

This year, the following names of tropical cyclones that will be removed due to their corresponding accumulated amount of damage caused to the country are:

  • ‘Ambo’ (International Name Vongfong) – P1.57 billion
  • ‘Quinta’ (International Name Molave) – P4.22 billion
  • ‘Rolly’ (International Name Goni) – P17.6 billion
  • ‘Ulysses’ (International Name Vamco) – P18.62 billion

Overall, the four cyclones caused a total of P42.09 billion worth of damage to the country’s infrastructure and agriculture according to government records.

After decommissioning, PAGASA will replace the names with new ones to prevent psychological relapse or to prevent the victims from recalling the traumatic experiences the strong cyclones caused to them. MNP (with inputs from Rey Pelayo)

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