HEAT INDEX UPDATE – As of 11:30 AM, DOST-PAGASA reports that thirty-three (33) areas in the Philippines have a heat index classified as “Danger” in its effects. With an apparent temperature ranging from 42-51°C, heat cramps and heat exhaustion are likely in these places.

What is Heat Index Today – April 26, 2024

• NAIA Pasay City, Metro Manila – 43°C
• Science Garden Quezon City, Metro Manila – 42°C
• Sinait, Ilocos Sur –  43°C
• Laoag City, Ilocos Norte – 44°C
• Dagupan City, Pangasinan – 47°C
• MMSU, Batac, Ilocos Norte –  43°C
• Bacnotan, La Union – 45°C
• Aparri, Cagayan – 46°C
• Tuguegarao City, Cagayan – 44°C
• ISU, Echague, Isabela – 43°C
• Iba, Zambales – 43°C
• CLSU, Muñoz, Nueva Ecija – 43°C
• Cubi Pt., Subic Bay Olongapo City – 45°C

• Tayabas City, Quezon – 42°C
• Sangley Point, Cavite – 45°C
• Ambulong, Tanuan Batangas – 43°C
• Alabat, Quezon – 42°C
• Coron, Palawan – 45°C
• San Jose, Occidental Mindoro – 45°C
• Puerto Princesa City, Palawan – 44°C
• Aborlan, Palawan – 46°C
• Legazpi City, Albay – 44°C
• Virac (Synop), Catanduanes – 42°C 

Also Read: Danger Zone: Heat Index Soars in 38 Philippine Areas, PAGASA Issues Warning

• CBSUA-Pili, Camarines Sur – 43°C
• Roxas City, Capiz – 43°C
• Iloilo City, Iloilo – 42°C
• Dumangas, Iloilo – 42°C
• La Granja, La Carlota, Negros Occidental –  42°C 
• Dipolog, Zamboanga Del Norte –  43°C
• Malaybalay City, Bukidnon – 42°C

• Cotabato City, Maguindanao – 42°C
• General Santos City, South Cotabato – 42°C
• Butuan City, Agusan Del Norte – 42°C

Moreover, heat stroke is probable in these areas with continued exposure.

Meanwhile, below is the effect-based classification of Heat indices among different parts of the country as projected by the Impact Assessment and Applications Section (IAAS). Climatology and Agrometeorology Division (CAD), DOST-PAGASA.

Yellow Warning 27-32°C: Caution

Fatigue is possible with prolonged exposure and activity. Continuing activity could lead to heat cramps.

Yellow Orange Warning 33-41°C: Extreme Caution

Heat cramps and heat exhaustion are possible. Continuing activity could lead to heat stroke.

Orange Warning 42-51°C: Danger

Heat cramps and heat exhaustion are likely; heat stroke is probable with

continued exposure.

Red Warning 52°C: Extreme Danger

Heat stroke is imminent.

Meanwhile, PAGASA advises the public to take precautions due to the elevated heat index. According to Solis, spokesperson for PAGASA, individuals are encouraged to stay hydrated by drinking plenty of water and to minimize outdoor activities, particularly from 10 a.m. to 4 p.m., when temperatures are at their peak. Solis also emphasizes avoiding beverages such as tea, soda, and alcohol, as they can exacerbate dehydration.

Sources: (1), (2)

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