MANILA (UPDATED) -- Tropical Depression Basyang entered the Philippine Area of Responsibility (PAR) Thursday night as it nears Mindanao and the Visayas, state weather bureau PAGASA said.
Public storm warning signal number 1 was raised in 10 areas amid the threat of the tropical cyclone that could hit areas affected by tropical depression Agaton.
At 10 p.m. Thursday, the center of "Basyang" was estimated to be 969 km east of Hinatuan, Surigao del Sur.
The storm is packing maximum winds of 55 kph near the center and is expected to move west at 30 kph.
"Basyang" is expected to make landfall over Surigao provinces between 11 p.m. Friday and 2 a.m. Saturday.
It is expected to move towards the West Philippine Sea by Sunday evening.
"Basyang" is expected to be 303 km northeast of Hinatuan, Surigao del Sur by Friday evening, and 325 km east-northeast of Puerto Princesa City by Saturday night.
Public storm warning signal no. 1 has been hoisted over Southern Leyte, Bohol, Surigao del Norte, Siargao Island, Surigao del Sur, northern part of Agusan del Sur, Agusan del Norte, Camiguin Island, Dinagat province, and Misamis Oriental.
PAGASA warned residents living in low-lying and mountainous areas under the storm signal to be on alert against possible flashfloods and landslides.
Estimated rainfall amount is from 5-15 mm per hour (moderate to heavy) within the tropical depression's 300 km diameter.
The weather agency added that "Basyang" might become a tropical storm."
Fishing boats and other small seacraft are advised not to venture out into the eastern seaboards of central and southern Luzon, and the Visayas.