Tropical Depression: Bagyong Onyok Update (December 18, 2015)

News updates on Bagyong Onyok, a tropical depression, from the state weather bureau PAGASA as of Friday, December 18, 2015, can be viewed here.


In its latest bulletin, the weather agency announced that TD Onyok has slowed down and slightly weakened as it moves closer to Davao Oriental and expected to further weaken into a Low Pressure Area (LPA) upon landfall.

As of 8 p.m. today, Onyok was spotted at 110kilometers East of Mati City, Davao Oriental, packing maximum sustained winds of 45 kilometers per hour near the center. It is moving West at 18 kph.

Public storm warning signal number 1 (30-60 kph winds expected in 36 hours) is up in Surigao del Sur including Siargao Island, Surigao del Norte, Dinagat Province, Misamis Oriental, Camiguin, Agusan del Norte, Agusan del Sur, Davao Oriental, Davao del Norte, Compostela Valley, Bukidnon, Lanao del Norte, Lanao del Sur, Misamis Occidental, Davao del Sur, Maguindanao and North Cotabato.

Impacts of the wind:
  • Very light or no damage to low risk structures,
  • Light damage to medium to high risk structures
  • Slight damage to some houses of very light materials or makeshift structures in exposed communities. Some banana plants are tilted, a few downed and leaves are generally damaged
  • Twigs of small trees may be broken.
  • Rice crops, however, may suffer significant damage when it is in its flowering stage.
Wave Height (Open Sea): 1.25-4.0 meters

State forecasters said the estimated rainfall amount is from heavy to intense within the 150 km diameter of Bagyong Onyok.

Residents in low lying and mountainous areas of the provinces with Public Storm Warning Signal are alerted against possible flashfloods and landslides.

The tropical depression has been expected to make landfall over Davao Oriental between 8-10 p.m. Friday.

Meanwhile, Bicol Region, Eastern Visayas and the province of Quezon will experience moderate to heavy rains which may trigger flashfloods and landslides.

Sea travel is risky over the seaboards of Luzon and the eastern seaboard of Visayas due to big waves generated by the surge of the northeast monsoon, PAGASA added.