DMANILA, Philippines - Tropical depression Onyok is expected to strengthen into a tropical storm by Friday morning, state weather bureau PAGASA said on Thursday.
Meanwhile, tropical depression Nona has weakened into a low pressure area and is expected to bring light to moderate rains and isolated thunderstorms over Metro Manila and the rest of Luzon.
At 10 a.m., Onyok was located 625 kilometers east of Hinatuan, Surigao del Sur packing maximum sustained winds of 55 kilometers per hour. It is likely to move west at 15 kph.
LIVE updates: Tropical cyclones 'Nona' and 'Onyok'
Forecast track of Tropical Depression Nona and Tropical Depression Onyok as of 5 a.m. on Thursday, Dec. 17, 2015. PAGASA
Public storm warning signal no. 1 is hoisted over 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 and Bukidnon.
Onyok is forecasted to make landfall over the Caraga region by Friday morning.
The estimated rainfall amount is from moderate to heavy within the 100-kilometer diameter of the tropical depression.
The tropical depression is expected to exit the Philippine area of responsibility by Monday.
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