Assistant Weather Services Chief, DOST - PAGASA Profile / Bio Profile / Bio Ms. Jorybell A. Masallo is the Assistant Weather Services Chief of the Impact Assessment and Applications Section at DOST-PAGASA. She leads climate impact assessments for agriculture and provides climate information to support decision-making in vulnerable sectors. She is involved in key projects on climate change adaptation, impact-based forecasting, and frost risk assessment. Her section is currently involved in developing heat health warning system. Jorybell holds a Master’s in Environmental Science from The University of Sydney and a Master’s in Public Management from Ateneo de Manila University. Materials Title Date Learning Materials Topics Heat Warning System Development and Considerations for Chronic Heat 10 July, 2025 Slides Health