The heat index in several areas of the country rose to the "danger" level of 42-51 degrees Celsius on Monday, GMA Integrated News' Emil Sumangil reported on 24 Oras.
The highest heat index of 44°C was recorded in:
- Aparri, Cagayan;
- Laoag, Ilocos Norte;
- Dagupan City;
- Catarman, Northern Samar; and
- Catbalogan, Samar.
Meanwhile, the heat index was 43°C in:
- NAIA, Pasay;
- Legazpi City, Albay;
- Masbate City; and
- Tacloban, Leyte.
A heat index of 42°C was recorded in:
- Tuguegarao City;
- Iba, Zambales;
- Clark Airport (Pampanga)
- Ambulong, Batangas;
- Tanauan, Batangas;
- Maasin, Southern Leyte; and
- Zamboanga City.
On Tuesday, the heat index was expected to hit 43°C at the Science Garden in Quezon City and Laoag City, Ilocos Norte.
It would climb to 41°C in Tuguegarao City; 38°C in Catbalogan, City; and 37°C in Dipolog, Zamboanga del Norte.
According to PAGASA, a heat index of 52°C and above is an extreme danger level with heat stroke imminent.
A temperature of 42-51°C is a danger level with heat cramps and heat exhaustion likely, and heat stroke probable with continued exposure.
Meanwhile, a heat index of 33-41°C is a level for extreme caution with possible heat cramps and heat exhaustion. Continuous activity could also lead to heat stroke.
A 27-32°C is a level for caution with possible fatigue. Heat cramps could also take place as a result of continous activity. — DVM, GMA Integrated News