CNN Philippines -- Seven more areas in the country were placed under Signal No. 3 as Typhoon Ompong drew closer to land yesterday.
Cagayan Including Babuyan group of Islands, Apayao, Abra, Isabela, Kalinga, Mountain Province, Ifugao, Nueva Vizcaya, Quirino, and Northern Aurora are now under Signal No. 3, which means winds of up to 185 kilometers per hour (kph) may be expected in at least 18 hours.
Under this warning signal, trees may be uprooted and root crops may suffer losses.
Ompong is expected to make landfall in the Cagayan-Isabela area between 5 a.m. to 8 a.m. today (Saturday), according to the Philippine Atmospheric Geophysical and Astronomical Services Administration (PAGASA).
Storm surges of up to six meters or as high as a two-storey building are expected along the coastlines of Cagayan and Isabela.
According to the latest PAGASA bulletin, Ompong has maintained its strength, with maximum winds of 205 kph, and gustiness of up to 255 kph.
The weather bureau did not rule out the possibility of Ompong becoming stronger.
Moderate to occasionally heavy rains may pour in Metro Manila during the weekend. Other storm warning signals have been raised all over the country:
Signal No. 2 -- Batanes, Ilocos Norte, Ilocos Sur, La Union, Benguet, Pangasinan, Nueva Ecija, Southern Aurora, Northern Zambales.
Signal No. 1 -- Pampanga, Bataan, Southern Zambales, Bulacan, Rizal, Metro Manila, Cavite, Batangas, Laguna, Quezon including Polillo Island, Northern Occidental Mindoro including Lubang Island, Northern Oriental Mindoro,Masbate, Marinduque, Camarines Norte, Camarines Sur, Catanduanes, Albay, Sorsogon, Burias, Ticao Island and Northern Samar.
The southwest monsoon (Habagat) enhanced by the typhoon will also bring moderate to occasionally heavy rains over Visayas while scattered light to moderate to at times heavy rains are expected over Palawan, Zamboanga Peninsula, Northern Mindanao and Caraga.
PAGASA reminded residents in these areas, especially those in low-lying areas and in mountainous areas, to take caution against possible flooding and landslides.
Ompong was last seen 540 kilometers east of Baler, Aurora at around 10 a.m. yesterday. It maintained its speed of 20 kph as it barrels west northwest.
The typhoon is expected to leave the Philippine Area of Responsibility by tomorrow morning.