The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA)'s storm/low pressure forecast bulletin on September 25 said that a low pressure area is likely to form or enter the Philippine PAR forecast area this weekend.
PAGASA weather forecaster Rhea Torres pointed out that the low pressure could form near the northern tip of Luzon on Friday (September 27) or Saturday (September 28).
Throughout September this year, the Philippines has been continuously affected by low pressure and storms.
On September 2, Typhoon enteng (international name Typhoon Yagi) made landfall on the coast of Luzon (Philippines), causing severe damage to infrastructure and killing many people. After sweeping across the Philippines, Typhoon Yagi continued to make landfall in mainland China and entered the East Sea, becoming Typhoon No. 3, making landfall in northern provinces of Vietnam, causing heavy damage.
On September 11, the circulation of Typhoon Bebinca (outside the PAR) and the southwest monsoon occurred in some areas of the Philippines.
On September 13, Typhoon Bebinca entered the PAR and was locally named Typhoon Ferdie, continuously intensifying the southwest monsoon. A day later, on September 14, Typhoon Ferdie left PAR.
On September 15, a low pressure area formed at a location 440km east of Casiguran, Aurora. At around 5am on September 16, the low pressure area strengthened into Tropical Depression Gener. At around 8am the same day, Gener accelerated slightly towards the mainland of Northern Luzon and at 11pm, Gener made landfall in Palanan, Isabela.
At 10:00 p.m. on September 17, the center of Gener was 355 km west of Bacnotan, La Union and was preparing to leave PAR. Earlier, at 6:30 p.m. on September 17, Helen entered PAR and continuously strengthened the southwest monsoon.
At 2:00 a.m. on September 18, Gener left PAR while Helen continued to move northwest across the Philippine Sea. At around 5:00 p.m. the same day, Helen also left PAR.
On September 20, the low pressure area east of the northernmost tip of Luzon developed into tropical depression Igme. At around 4am on September 21, Igme escaped from PAR.
According to the Philippine Ministry of Social Welfare and Development, a total of about 507,000 families or 1.8 million people were affected by the low pressure/storm in the country in September.
