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Don’t forget your umbrella today; It might rain

by RepublicAsia

State weather agency Pagasa is monitoring a low pressure area that’s partly causing rains in Mindanao, Palawan, Bicol region, and some parts in the Visayas.

Daniel James Villamil, weather forecaster, said the low pressure area was located outside the Philippine Area of Responsibility (PAR), around 200 kilometers south, south-east of General Santos City. It merged into the Inter-Tropical Convergence Zone.

“Maliit ang tsansa na maging bagyo ang low pressure area sa loob ng 24 oras,” Villamil said.

Another weather system, shear line, is causing isolated rains and thunderstorms in Cagayan, Isabela, Aurora and Quezon.

Bicol region and eastern Visayas will experience cloudy to cloudy skies, with chances of rains, around midday until evening.

Metro Manila and the rest of the country will experience generally fair weather conditions, hot and humid weather, but may still have isolated rain showers and localized thunderstorms. 

What is LPA trough, ITCZ and shear line?

ITCZ or the inter-tropical convergence zone is the band of clouds consisting of showers, with occasional thunderstorms, that encircles the globe near the equator. The seasonal shifts in the location of the ITCZ affects rainfall in many countries near the equator including the Philippines.

The shear line or the Tail-end of a Frontal System is a a a narrow corridor where there is an abrupt change in the horizontal component of the wind. The convergence of the wind causes rains and thunderstorms.

A trough is found near low pressure area.

What’s the impact of LPA trough, ITCZ and shear line?

Pagasa warned residents in areas affected by thunderstorms to take “precautionary measures” against impacts such as flash floods and landslides.

Residents along mountain slope are also advised for possible mudslides and rockslides.

Pagasa issued a series of heavy rainfall warning and thunderstorm advisories in the following areas today:

6am. Tawi-Tawi. Yellow warning level (37,500-75,000 drums/square kilometer). 

6am. Light to moderate with occasional heavy rains  (2.5-7.5 with occasionally 7.5-15 liters/meter² per hour)  in the following Mindanao areas:

  • Zamboanga City
  • Basilan: Isabela, Lantawan, Maluso, Sumisip, Al-Barka
  • Sulu: Indanan, Parang, Jolo, Banguingui
  • Bukidnon: Manolo Fortich, Malitbog, Cabanglasan
  • Davao City
  • Davao del Sur
  • Davao Occidental
  • Davao Oriental: Mati, Governor Generoso,  
  • Agusan del Norte: Cabadbaran, Tubay, Santiago 
  • Agusan del Sur: La Paz, Loreto, Veruela,
  • Surigao del Norte: Surigao City, Tagana-An
  • Sarangani
  • Maguindanao del Sur
  • Maguindanao del Norte
  • Sultan Kudarat
  • South Cotabato
  • North Cotabato: Aleosan, Pigcawayan, Libungan, Kabacan, Pikit, Magpet, Tulunan, M’lang

6am. Sulu, Bukidnon. Light to moderate with occasionally heavy rains affecting:

8am. Light to moderate rains:

Cagayan. Baggao, Gattaran, Gonzaga, Lallo, and Peñablanca

Isabela. Divilacan, and Maconacon

8am. Moderate to occasionally heavy rains:

Isabela. Dinapigue, Palanan, SanGuillermo and SanMariano

Aurora. Dingalan

Isabela. BenitoSoliven, CauayanCity, Echague and SanAgustin

Quirino. Maddela

5am. Moderate to occasionally heavy rains:

Aurora. Casiguran, Dilasag and Dinalungan

Isabela. Dinapigue

5am. light to moderate rains

Isabela. Echague, SanAgustin and SanMariano

Quirino. Maddela

2am. Light to moderate rains

Aurora. Dingalan

Regional Weekly Outlook: Luzon

Planning your weekend getaway, check this: https://pubfiles.pagasa.dost.gov.ph/ncrprsd/pf2.pdf

Visayas Forecast

Ang Eastern ug Central Visayas, ug ang Palawan lakip na ang Kalayaan Islands makasinati ug madag-umon na kalangitan inubanan sa mga katag-katag na pag-ulan, pagpangilat ug pagpanugdug tungod sa ITCZ/trough sa LPA. Ang nahibiling bahin sa Visayas,  ug ang Occidental Mindoro makasinati ug panagsang mapanganuron ngadto sa madag-umon na kalangitan inubanan sa mga pat-ak pat-ak na pag-ulan, pagpangilat ug pagpanugdug tungod sa localized thunderstorms.

Kasarangan ngadto sa kusog na paghuros sa hangin gikan sa Silangan ngadto sa Amihanang-silangan ang mupasulabi sa Eastern Visayas diin ang kadagatan kay kasarangan ngadto na sa baluron. Hinay ngadto sa kasarangan nga paghuros sa hangin gikan sa Amihanang-silangan ngadto sa Silangan ang mupasulabi sa nahibiling bahin sa Visayas, Palawan lakip na ang Kalayaan Islands, ug Occidental Mindoro diin ang kadagatan magmalinawon ngadto na sa kasarangan ang pagbalud.

Mindanao Forecast

Ang tibuok dapit sa Mindanao makasinati sa mapananuron nga kalangitan inubanan sa katag-katag nga pag-ulan ug panalugdog tungod sa ITCZ. Kasarangan ngadto na sa kusog nga hangin ng magagikan sa silangan ngadto na sa amihanang silangang direksyon maoy magpasulabi sa silangang bahin sa Mindanao ug ang kadagatan niining mga dapita, kasarangan ngadto sa kusog ang pagbalud. Sa ubang parte sa Mindanao, hinay ngadto sa kasarangan nga hangin maga gikan sa amihanang silangan ngadto na sa silangang direksyon ug hapsay ngadto sa kasarangan ang pagbalud sa kadagatan.

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