Tropical cyclone Isang intensified into a storm as it was moving to exit the Philippine Area of Responsibility (PAR) at about 3 a.m. Saturday, according to state weather bureau Pagasa.
At 3:00 a.m., the center of Tropical Storm Isang was at 270 kilometers west of Bacnotan, La Union, with maximum sustained winds of 65 km per hour (kph) near the center and gustiness of up to 80 kph. It is moving westward at 25 kph.
Meanwhile, Pagasa said the southwest monsoon (habagat) is prevailing over Central Luzon, Southern Luzon, Visayas, and Mindanao.
Tropical Cyclone Wind Signal (TCWS) No. 1 remains up over 13 areas:
, This news data comes from:http://gyglfs.com
The Ilocos Region will experience rain with gusty winds, while the Cordillera Administrative Region will have cloudy skies with scattered rain showers and thunderstorms due to Isang.
On the other hand, habagat will affect Occidental Mindoro, Metro Manila, Central Luzon, Calabarzon, the rest of the Visayas, and the rest of Mimaropa, Bicol Region, and the rest of Mindanao.
Localized thunderstorms are expected in the rest of Luzon.
According to Pagasa, Isang will exit the PAR on Saturday morning.
Signal No. 1 up in 13 areas; Isang to leave PAR as tropical storm

- LPA trough, 'habagat' to bring rains in parts of Luzon, including Metro Manila
- Wife and ally of ousted SKorean president indicted by special prosecutors
- Most Filipinos distrust China, see it as biggest threat — OCTA survey
- DoTr seeks higher budget for 2026, requests P531B amid cuts
- Hontiveros urges probe on Chinese faking Filipino identity
- Trump rebrands Department of Defense as 'Department of War'
- House probe tackles flood control corruption: Lawmakers disclose conflicts of interest
- Napolcom welcomes Nartatez’s move to recall Torre’s reassignments
- Pagasa monitors LPA off Cavite, may still become tropical depression
- Puno seeks probe of anomalous projects ‘funders’