The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) is the National Meteorological and Hydrological Services (NMHS) agency of the Philippines mandated to provide protection against natural calamities and to insure the safety, well-being and economic security of all the people, and for the promotion of national progress by undertaking scientific and technological services in meteorology, hydrology, climatology, astronomy and other geophysical sciences. PAGASA now serves as one of the Scientific and Technological Services Institutes of the Department of Science and Technology (DOST).