Stay indoors and stay hydrated, PAGASA urged the public on Monday as heat index might reach 41 degrees Celsius for the week of May 17.
A heat index of 41 degrees is considered dangerous, the second highest in the four-level human discomfort index. Heat index is the air temperature plus humidity as felt by the human body.
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"Dito sa Metro Manila for the next three to four days, inaasahan natin maglalaro sa mula 39 hanggang 41 degrees Celsius 'yung possible computed heat index value," state weather forecaster Chris Perez told TeleRadyo on Monday.
"As much as possible, kung walang importanteng gagawin sa labas, manatili na lang sa loob ng bahay," he warned.
Perez also advised those who are working outdoors, such as construction workers, to keep themselves hydrated and seek shelter from the heat from time to time.
Last Friday, the heat index in Dagupan soared to 53 degrees, the highest so far in 2021 for the entire country.
Here are some tips on how to avoid heat stroke:
