Section 4
SEC. 4. The Weather Bureau, hereinafter referred to as the "Bureau", shall be the implementing arm of the Council. The Director of said Bureau shall be the Executive Director of the Council. The Bureau shall establish, install, operate and maintain climatological and hydrological stations, synoptic stations, radar stations, upper air stations (radiosonde and radiowind), automatic picture transmission ground stations, a weather communications network and warning system, and a research center using computers, aircraft and other modern devices. Insofar as possible, such stations shall be grouped together so as to assure maximum economy and efficiency. The Philippine Air Force shall assist the Bureau in air operations. In the installation of radar stations, the regions of Western Visayas, Northern Mindanao and Southern Mindanao which are not covered by the present weather radar network shall be given priority.