MANILA, Philippines — Catarman, Northern Samar registered a peak heat index of 44ºC on Wednesday, the highest of three areas that logged “danger” level indices, the state weather bureau said. Apart from Catarman, Dumangas, Iloilo and Cotabato City, Maguindanao both reached “danger” heat indices at 42ºC. READ: Here’s how to protect yourself from high heat