Philippine tropical cyclones

Severe Tropical Storm Maring moving away but still bringing rain

Acor Arceo

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Severe Tropical Storm Maring moving away but still bringing rain

MARING. Satellite image of Severe Tropical Storm Maring (Kompasu) as of October 12, 2021, 7:30 am.

NOAA

The Ilocos Region and parts of the Cordillera Administrative Region are receiving the heaviest rainfall early Tuesday morning, October 12

Severe Tropical Storm Maring (Kompasu) was already moving away from extreme Northern Luzon early Tuesday morning, October 12, but it continued to trigger heavy rain.

In its 8 am bulletin on Tuesday, the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) said Maring was located 230 kilometers west of Calayan, Cagayan.

The severe tropical storm slightly accelerated, moving west at 25 kilometers per hour from the previous 20 km/h.

It maintained its strength, with maximum sustained winds of 100 km/h and gustiness of up to 125 km/h. (READ: FAST FACTS: Tropical cyclones, rainfall advisories)

Maring had made landfall in Cagayan’s Fuga Island at 8:10 pm on Monday, October 11. It caused floods that submerged parts of Cagayan Valley, the Ilocos Region, and the Cordillera Administrative Region (CAR).

Below is the list of areas affected by rain from Maring as of 8 am on Tuesday. The Ilocos Region and parts of CAR are already receiving the heaviest rainfall.

Heavy to intense rain
  • Ilocos Region
  • Benguet
  • Ifugao
  • Abra
  • Mountain Province
Moderate to heavy rain
  • rest of Cordillera Administrative Region
  • Zambales
  • Bataan
  • Tarlac
Light to moderate rain, with at times heavy rain
  • rest of Central Luzon
  • Metro Manila
  • Cagayan Valley

Maring is further enhancing the southwest monsoon or hanging habagat on Tuesday.

Monsoon rain
  • Western Visayas
  • Palawan
  • Occidental Mindoro

Tropical cyclone wind signals are still raised in the same areas as of 8 am on Tuesday.

Signal No. 2 (damaging gale-force to storm-force winds)
  • Batanes
  • Cagayan including Babuyan Islands
  • northern part 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 Province
  • Abra
  • Ilocos Norte
  • Ilocos Sur
Signal No. 1 (strong winds)
  • rest of Isabela
  • Nueva Vizcaya
  • Quirino
  • Ifugao
  • Benguet
  • La Union
  • Pangasinan
  • Aurora
  • Nueva Ecija
  • Tarlac
  • Zambales
  • Pampanga
  • Bulacan
  • northern part of Bataan (Samal, Morong, Dinalupihan, Abucay, Orani, Hermosa)
  • northern part of Quezon (General Nakar, Infanta) including Polillo Islands

PAGASA added that gusty conditions are being experienced in other areas on Tuesday due to Maring’s “expansive wind field” and the enhanced southwest monsoon.

  • rest of Luzon
  • Visayas
  • Dinagat Islands
  • Surigao del Norte
  • Agusan del Norte
  • Misamis Oriental
  • Misamis Occidental
  • Camiguin
  • Zamboanga del Norte

The weather bureau also reiterated that there is a “minimal to moderate risk” of life-threatening storm surges up to 1 meter high on Tuesday.

“Rising seawater along with the high waves from the shoreline moving inland may cause flooding in the low-lying coastal localities of Batanes, northern Cagayan including Babuyan Islands, and Ilocos Norte,” it said.

Coastal waters are still affected by both Maring and the surge of the southwest monsoon.

Rough to high seas (waves 2.8 to 7.5 meters high)

Conditions risky for all vessels

  • seaboards of areas under Signal Nos. 1 and 2
Rough to very rough seas (waves 2.8 to 4.5 meters high)

Small vessels advised not to sail, larger vessels alerted against big waves

  • western seaboard of Central Luzon (not under a tropical cyclone wind signal)
  • seaboards of Southern Luzon and Visayas
  • western, eastern, and northern seaboards of Mindanao
Moderate to rough seas (waves 1.2 to 2.5 meters high)

Conditions risky for small vessels

  • remaining seaboards of the country

Maring may exit the Philippine Area of Responsibility (PAR) on Tuesday morning or afternoon.

After leaving PAR, it will head west for Hainan, China, where it could make landfall on Wednesday evening, October 13.

PAGASA said Maring is projected to gradually strengthen within the next 36 hours, but it is “becoming less likely to reach typhoon category” prior to its possible landfall in Hainan.

PROJECTED PATH. Forecast track of Severe Tropical Storm Maring (Kompasu) as of October 12, 2021, 8 am.
PAGASA

Maring is the Philippines’ 13th tropical cyclone for 2021 and the second for October.

On Sunday morning, October 10, Maring had completed its merger with the remnant low that was formerly Tropical Depression Nando. The two tropical cyclones had interacted over the Philippine Sea, resulting in the merger.

Nando, the Philippines’ 14th tropical cyclone for 2021, had no impact on weather in the country.

An average of 20 tropical cyclones form within or enter PAR each year. (READ: LIST: PAGASA’s names for tropical cyclones in 2021)

These are PAGASA’s latest estimates for the next six months:

2021
  • October – 2 or 3
  • November – 2 or 3
  • December – 1 or 2
2022
  • January – 0 or 1
  • February – 0 or 1
  • March – 0 or 1

The weather bureau is also monitoring the possible emergence of La Niña in the fourth quarter of 2021. – Rappler.com

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Acor Arceo

Acor Arceo is the head of copy and editorial standards at Rappler. Trained in both online and TV newsrooms, Acor ensures consistency in editorial standards across all sections and also supervises Rappler’s coverage of disasters.