The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) recorded 25 areas reaching a “dangerous” level of heat index on Wednesday, May 8.
Dagupan City, Pangasinan recorded the day’s highest heat index at 48 degrees Celsius (°C).
Meanwhile, a heat index of 46°C was registered in Aparri, Cagayan and Roxas City, Capiz; and 45°C in Laoag City, Ilocos Norte and Virac, Catanduanes.
PAGASA said a heat index between 42 degrees Celsius (°C) and 51°C indicates “danger,” as "heat cramps and heat exhaustion are likely," and "heat stroke is probable with continued activity."
Other areas that experienced a dangerous heat index on Wednesday were Mariano Marcos State University Station, Batac, Ilocos Norte (44°C); Cubi Pt., Subic Bay, Olongapo City (44°C); Puerto Princesa City, Palawan (44°C); Cuyo, Palawan (44°C); Catarman, Northern Samar (44°C); Bacnotan, La Union (43°C); Iba, Zambales (43°C); Clark Airport, Pampanga (43°C); Central Luzon State University Station, Muñoz, Nueva Ecija (43°C); Aborlan, Palawan (43°C); Dumangas, Iloilo (43°C); Guiuan, Eastern Samar (43°C); Ninoy Aquino International Airport Station, Pasay City (42°C); Tuguegarao City, Cagayan (42°C); Baler, Aurora (42°C); San Jose, Occidental Mindoro (42°C); Masbate City, Masbate (42°C); Mambusao, Capiz (42°C); Iloilo City, Iloilo (42°C); and Dipolog, Zamboanga del Norte (42°C).
The heat index measures how hot it feels when relative humidity is combined with the actual air temperature.
READ MORE: https://mb.com.ph/2024/3/18/heat-index-what-is-it-and-how-does-it-differ-from-actual-temperature
Iba, Zambales recorded the highest heat index so far this year at 53°C on April 28.
PAGASA said a heat index above 52°C indicates “extreme danger” as “heat stroke is imminent.”