MANILA (UPDATED) -- Public storm warning signal number 1 has been raised over 17 areas as tropical depression "Caloy" maintained its strength and moved closer to Surigao del Sur, state weather bureau PAGASA said Friday afternoon.
In its 5 p.m. weather bulletin, PAGASA said the following areas placed under storm signal number 1 will experience winds of 30 to 60 kilometers per hour (kph) within the next 36 hours.
Southen part of Negros Occidental
Southern part of Negros Oriental
Northern part of Davao Oriental
Northern part of Davao del Norte
Surigao del Sur
Surigao del Norte including Siargao
Agusan del Sur
Agusan del Norte
Caloy is bringing an estimated rainfall amount of 5 to 15 millimeters per hour (moderate to heavy) within its 300-kilometer diameter, PAGASA said.
The tropical depression was last spotted 310 kilometers northeast of Davao City or 170 kilometers east northeast of Hinatuan, Surigao del Sur with maximum sustained winds of 45 kph.
It has slightly accelerated, now moving west at 15 kph.
According to weather forecaster Aldczar Aurelio, Caloy is expected to stay within the Philippine area of responsibility (PAR) in the next three days. But the tropical depression is no longer expected to intensify, he said.
He added that if Caloy makes landfall in the Davao Oriental and Surigao del Sur area, it will be downgraded back to a low pressure area (LPA).
Caloy is expected to be at 90 kilometers west of Butuan City on Saturday morning and 220 kilometers northwest of Dipolog City on Sunday morning.
Residents living in low-lying and mountainous areas under storm signal number 1 are alerted against possible flashfloods and landslides.
Fishing boats and other small sea vessels are advised not to venture out into the seaboards of Northern Luzon and the eastern seaboards of Central Luzon and Eastern Visayas due to the northeast monsoon (amihan), the weather bureau added.