• Maintains a nationwide network  pertaining to observation and forecasting of weather and flood and other conditions affecting national safety, welfare and economy;
• Undertake activities relative to observation, collection, assessment and processing of atmospheric and allied data for the benefit of agriculture, commerce and industry;
• Engage in studies of geophysical and astronomical phenomena essential to the safety and welfare of the people;
• Undertake researches on the structure, development and motion of typhoons and formulate measures for their moderation; and
• Maintain effective linkages with scientific organizations  here and abroad and promote exchange of scientific information and cooperation among personnel engaged in atmospheric, geophysical, astronomical and space studies.