3 areas in Quezon, Cavite log 'extreme caution' heat index levels

LUCENA CITY, Quezon— Despite the onset of the rainy season, three localities in Quezon and Cavite provinces recorded heat index levels under the “extreme caution” category on Wednesday.

In a public advisory posted on Facebook at around 2:20 p.m., the Disaster Risk Reduction and Management Office (DRRMO) of Atimonan, Quezon, reported a heat index of 41 degrees Celsius at 2 p.m., based on data from the local government’s Automated Weather Station (AWS).

The municipality of General Nakar, at the foot of the Sierra Madre mountain in the northern part of Quezon, registered a heat index of 40°C as of 1 p.m.

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READ: Cloudy Wednesday with rain showers nationwide

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Meanwhile, the DRRMO in Imus City, Cavite, recorded a heat index of 41.9°C at 2 p.m., up from 40.6°C an hour earlier.

According to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa), the heat index refers to the temperature perceived by the human body when air temperature is combined with humidity.

Pagasa classifies heat index levels as “caution” (27°C to 32°C), “extreme caution” (33°C to 41°C), “danger” (42°C to 51°C), and “extreme danger” (52°C and above).

Under the “extreme caution” category, heat cramps and heat exhaustion are possible, while prolonged exposure or strenuous physical activity may lead to heat stroke. Similar health risks remain under the “danger” category, with a higher likelihood of heat-related illnesses.

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Peak heat conditions are typically experienced from midday to late afternoon.

Authorities advised the public to limit outdoor activities during peak heat hours, stay hydrated, wear light, breathable clothing, avoid leaving children or pets in parked vehicles, and regularly check on vulnerable individuals, including children, senior citizens, and those with medical conditions.

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Earlier in the day, Pagasa said partly cloudy to cloudy skies with isolated rain showers and thunderstorms would prevail across the country due to easterlies and localized thunderstorms.

READ: Pagasa declared rainy season. But where are the rains?

Easterlies are warm and humid winds originating from the Pacific Ocean.

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Metro Manila and the rest of the country are expected to experience similar weather conditions, with rain showers likely in the afternoon or evening./coa