MANILA (3rd UPDATE) — Tropical depression Amang will dump heavy rains over parts of Luzon as it made landfall over Lagonoy town in Camarines Sur on Wednesday afternoon, PAGASA said.

In its 5 p.m. bulletin, the state weather bureau said an accumulated 50 to 100 mm of rainfall is expected from Wednesday to Thursday morning in Camarines Norte, Camarines Sur, and Quezon.

Calabarzon, Metro Manila, Tarlac, Pampanga, Bulacan, Camarines Norte, Camarines Sur, and the southern portion of Aurora will also experience an accumulated rainfall of 50 to 100mm in the next three days, the weather agency said.

This amount of rainfall is equal to 50 to 100 liters of rain in a square meter area in 24 hours, according to ABS-CBN News resident meteorologist Ariel Rojas.

PAGASA warned that heavy rainfall from Amang could spawn isolated flash floods and landslides.

Amang was packing maximum sustained winds of 45 kilometers per hour near the center and 55 kph gusts. It is moving northwestward "slowly."

PAGASA raised signal no. 1 over the following areas, where 39 to 61 kph winds could cause "minimal to minor threat to life and property."

• Catanduanes
• Sorsogon (City of Sorsogon, Pilar, Castilla, Donsol, Prieto Diaz)
• Albay
• Camarines Sur
• Camarines Norte
• Laguna (Cavinti, Lumban, Kalayaan, Paete, Pakil, Pangil, Siniloan, Famy, Santa Maria, Mabitac)
• Aurora
• Quezon (Buenavista, Calauag, Infanta, Lopez, Guinayangan, Plaridel, Quezon, Alabat, Sampaloc, Mauban, General Nakar, Perez, Gumaca, Atimonan, Real, Tagkawayan, San Narciso) including Polillo Islands
• Rizal (Tanay, Pililla, Rodriguez, Baras, City of Antipolo)
• Bulacan (Norzagaray, Doña Remedios Trinidad)
• Nueva Ecija (Gabaldon, Bongabon, Laur, General Tinio)

Diego Agustin Mariano, head of the Office of Civil Defense's joint information center, advised tourists going to areas under Signal No. 1 to stay in their homes instead.

Mariano added that they are currently in close coordination with local government units and have alerted other agencies relevant for disaster response.

"Ang ating mga assets ay naka-preposition na po, mga pang-rescue, mga pang-clearing kung sakali ay may mga naka-preposition na rin po na puwede pong i-deploy anytime," he said during a televised briefing.

"Ang ating manpower – mga rescuers, mga doktor at iba pa pong emergency workers ay mga naka-standby na po. So, kumbaga wala pong nag-break, lahat po ng mga emergency workers po natin ay ating pinapasok at naka-standby," he added.

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The official said they are still consolidating reports on the number of people stranded in ports because of the bad weather.

They have also yet to implement pre-emptive evacuations, he said.

PAGASA said Amang was expected to move northwestward in the next 12 hours and expected to pass over the eastern localities in Camarines Sur, Lamon Bay, and Quezon.

• Slower Amang heads to Camarines, Quezon provinces: PAGASA

Amang is forecast to weaken into a low pressure area by Thursday or earlier, PAGASA said.

Check the ABS-CBN Weather Center for more updates.

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