19 areas face dangerous heat index on Sunday

Nineteen areas in the Philippines are expected to experience dangerous heat index levels on Sunday, April 13, 2025, according to PAGASA.

These areas may experience heat indices ranging from 42°C to 44°C, classified as 'danger' by PAGASA.

Areas forecast to reach 44°C include San Ildefonso in Bulacan, Virac in Catanduanes, and Sangley Point in Cavite.

Other locations with high heat indices of 43°C include Dagupan City, Ambulong in Batangas, San Jose in Occidental Mindoro, Aborlan in Palawan, Masbate City, Roxas City, and Iloilo City.

NAIA Pasay City in Metro Manila, along with Bacnotan in La Union, ISU Echage in Isabela, Baler in Aurora, TAU Camiling in Tarlac, Cubi Pt. in Subic Bay, Puerto Princesa City in Palawan, and Dumangas in Iloilo, are also expected to reach 42°C.

PAGASA categorizes heat indices from 42°C to 51°C as 'danger,' which carries a risk of heat stroke.

Heat indices between 33°C and 41°C are classified as 'extreme caution,' where heat cramps and heat exhaustion are possible.

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