Tropical Depression Isang intensified into a tropical storm and may move out of the Philippine Area of Responsibility (PAR) as early as Wednesday evening, state weather forecasters said.
PAGASA, in its 5 p.m. advisory, said Isang (international code name Cimaron) started crossing the Luzon Strait as of Wednesday afternoon.
"Ito ay naging isang tropical storm and is now crossing Luzon Strait ... at inaasahan nating lumabas ng Philippine area of responsibility ngayong gabi (Isang became a tropical storm and is now crossing Luzon Strait. We expect it to exit the Philippine area of responsibility tonight)," PAGASA forecaster Anthony Lucero said in an interview on dzBB radio.
Lucero also said their models show the weather may still be cloudy and rainy early Thursday, although the weather is likely to generally improve in the coming days.
As of 4 p.m., PAGASA said Isang was estimated at 210 km northwest of Aparri, Cagayan, with maximum winds of 65 kph near the center and gustiness of up to 80 kph.
It said Isang may be out of the Philippine Area of Responsibility Wednesday evening, and be about 700 km northwest of Aparri, Cagayan Thursday afternoon.
Under Storm Signal No. 1 are:
Ilocos Norte Calayan
PAGASA said Isang will still enhance the southwest monsoon, which will bring light to moderate rain and thunderstorms over Metro Manila and the rest of Luzon and Western Visayas.
It also warned residents in low-lying and mountainous areas under Storm Signal No. 1 to be alert against possible flash floods and landslides.
Also, PAGASA said Isang may bring rainfall of 5 to 15 mm per hour (moderate to heavy) within its 300-km diameter.
PAGASA's 5 p.m. bulletin said Ilocos Norte, Batanes, Calayan and Babuyan will have rain and gusty winds with moderate to rough seas.
It added Metro Manila, Mindoro, Palawan, the rest of Northern Luzon, Central Luzon, Calabarzon and Western Visayas will experience cloudy skies with light to moderate rainshowers and thunderstorms.
The rest of the country will be partly cloudy to cloudy with isolated rain showers or thunderstorms, it added.
Moderate to strong winds from the southwest to south will prevail over the rest of Luzon and Western Visayas and the coastal waters along these areas will be moderate to rough.
Elsewhere, winds will be light to moderate coming from the southwest with slight to moderate seas. — TJD, GMA News