Dangerous heat index forecast in 29 areas on Wednesday

MANILA, Philippines — A dangerous heat index is forecast in twenty-nine areas across the country on Wednesday, Independence Day, according to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa).

Pagasa said Aparri and Tugegarao in Cagayan and Virac, Catanduanes, are forecast to have the highest heat index at 46°C.

The heat index under the “danger” category ranges from 42°C to 51°C.

In Metro Manila, Pagasa said its station in Ninoy Aquino International Airport in Pasay is seen to record a heat index of 42 °C while its station in Science Garden in Quezon City is only forecast to have 41°C, just a degree below the “danger” threshold.

The US National Weather Services describes heat index as the apparent temperature, or “what the temperature feels like to the human body when relative humidity is combined with the air temperature.  This is an important consideration for the human body’s comfort.  When the body gets too hot, it [perspires or sweats] to cool itself off.”

The 26 other areas are under the dangerous heat index forecast for Wednesday:

Laoag City, Ilocos Norte: 45°C

Legazpi City, Albay: 45°C

Echague, Isabela: 45°C

Catarman, Northern Samar: 45°C

Dagupan City, Pangasinan: 44°C

Calayan, Cagayan: 44°C

Baler, Aurora: 44°C

Calapan, Oriental Mindoro: 44°C

Masbate City, Masbate: 44°C

Sinait, Ilocos Sur: 43°C

Batac, Ilocos Norte: 43°C

Casiguran, Aurora: 43°C

Cuyo, Palawan: 43°C

Daet, Camarines Norte: 43°C

Roxas City, Capiz: 43°C

Bacnotan, La Union: 42°C

Muñoz, Nueva Ecija: 42°C

Tayabas, Quezon: 42°C

Alabat, Quezon: 42°C

Mulanay, Quezon: 42°C

Juban, Sorsogon: 42°C

Mambusao, Capiz: 42°C

Iloilo City, Iloilo: 42°C

Dumangas, Iloilo: 42°C

Borongan, Eastern Samar: 42°C

Dipolog, Zamboanga del Norte: 42°C

Pagasa said the heat index in these areas may cause heat cramps, heat exhaustion, and even heat strokes during continued exposure.

While warm weather is seen nationwide on Wednesday, there are still chances of isolated rain showers and thunderstorms occurring, according to Pagasa.

The heat index under the “danger” category ranges from 42 °C to 51°C.

In Metro Manila, Pagasa said its station in Ninoy Aquino International Airport in Pasay is seen to record a heat index of 42 °C while its station in Science Garden in Quezon City is only forecast to have 41°C, just a degree below the “danger” threshold.

The following areas are also under the “danger” heat index category:

Laoag City, Ilocos Norte: 45°C

Legazpi City, Albay: 45°C

Echague, Isabela: 45°C

Catarman, Northern Samar: 45°C

Dagupan City, Pangasinan: 44°C

Calayan, Cagayan: 44°C

Baler, Aurora: 44°C

Calapan, Oriental Mindoro: 44°C

Masbate City, Masbate: 44°C

Sinait, Ilocos Sur: 43°C

Batac, Ilocos Norte: 43°C

Casiguran, Aurora: 43°C

Cuyo, Palawan: 43°C

Daet, Camarines Norte: 43°C

Roxas City, Capiz: 43°C

Bacnotan, La Union: 42°C

Muñoz, Nueva Ecija: 42°C

Tayabas, Quezon: 42°C

Alabat, Quezon: 42°C

Mulanay, Quezon: 42°C

Juban, Sorsogon: 42°C

Mambusao, Capiz: 42°C

Iloilo City, Iloilo: 42°C

Dumangas, Iloilo: 42°C

Borongan, Eastern Samar: 42°C

Dipolog, Zamboanga del Norte: 42°C

Pagasa said the heat index in these areas may cause heat cramps, heat exhaustion and even heat stroke during continued exposure.

While warm weather is forecast nationwide on Wednesday, isolated rain showers and thunderstorms are possible, according to Pagasa.