‘Dangerous’ heat index expected to persist in 30 areas on June 12

The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) said 30 areas across the country may still experience a heat index that is considered “dangerous” on Wednesday, June 12.

PAGASA said that a dangerous heat index ranges from 42 degrees Celsius (°C) to 51°C, indicating an increased likelihood of heat-related issues such as cramps, exhaustion, and a higher risk of heat stroke with continued activity.

A heat index of 46°C may be recorded in Aparri, Cagayan; Tuguegarao City, Cagayan; and Virac, Catanduanes.

Meanwhile, it may reach 45°C in Laoag City, Ilocos Norte; Echague, Isabela; Legazpi City, Albay; and Catarman, Northern Samar.

Dagupan City, Pangasinan; Calayan, Cagayan; Baler, Aurora; Calapan, Oriental Mindoro; and Masbate City, Masbate may experience a 44°C heat index.

PAGASA added that Sinait, Ilocos Sur; Batac, Ilocos Norte; Casiguran, Aurora; Cuyo, Palawan; Daet, Camarines Norte; and Roxas City, Capiz may have a heat index of 43°C.

Meanwhile, a 42°C heat index may be recorded in Pasay City, Metro Manila; Bacnotan, La Union; Muñoz, Nueva Ecija; Sangley Point, Cavite; Alabat, Quezon; Mulanay, Quezon; Juban, Sorsogon; Mambusao, Capiz; Iloilo City, Iloilo; Dumangas, Iloilo; Borongan, Eastern Samar; and Dipolog, Zamboanga del Norte.

PAGASA recorded the highest heat index of the year so far, reaching 55°C in Guiuan, Eastern Samar, on both May 26 and 28.

A heat index above 52°C indicates “extreme danger” as “heat stroke is imminent.”