HEAT INDEX WATCH: Aparri, Cagayan to reach 42ºC on Wednesday, April 22

MANILA, Philippines — The heat index in Aparri, Cagayan is forecast to reach a peak of 42ºC on Wednesday, April 22, said the state weather bureau. The Philippine Atmospheric, Geophysical, and Astronomical Services Administration (Pagasa) defines heat index as the “measure of the contribution that high humidity makes with abnormally high temperatures in reducing the