Dr. M. Rajeevan Nair is at present working as the Secretary, Ministry of Earth Sciences, Government of India at New Delhi. He has more than 30 years’ research and operational experience in many aspects of Tropical Meteorology. He has experience as an operational forecaster as well as a researcher. His main research contributions include understanding monsoon variability and development of monsoon prediction models, understanding extreme weather events like heavy rainfall and heat waves and cloud-radiation interaction. He had served in many international expert panels of WMO/WCRP including as a member of the Asian–Australian Monsoon Panel. He briefly served as the High-Level Adviser to the Commission for Climatology, WMO.Dr. Shailesh Nayak is the Former Secretary, Ministry of Earth Sciences. He did his Ph.D. in Geology in 1980 from the M.S. University of Baroda, and specialized in Oceanography and Remote Sensing. Initially, he has served in Indian Space Research Organization (ISRO) and worked on research areas of coastal and ocean processes and ocean-atmosphere interaction, coastal geomorphology, and hazards. He has also served as the Director, Indian National Centre for Ocean Information Services, INCOIS, Hyderabad, where he has set up a state-of-the-art Early Warning System for Tsunami and Storm Surges in the Indian Ocean. He has been providing leadership for the programs related to science of climate change, weather services, polar science, ocean science and modelling, ocean survey, resources, and technology. He has published more than 100 papers in journals, conferences and reports. He was honoured with an Honorary Doctorate of Science by Andhra University in 2011 and Assam University in 2013.

• Foreword.- Preface.- Executive Summary.- Acknowledgements.- Chapters.- List of Contributors.

Dr. M. Rajeevan Nair is at present working as the Secretary, Ministry of Earth Sciences, Government of India at New Delhi. He has more than 30 years’ research and operational experience in many aspects of Tropical Meteorology. He has experience as an operational forecaster as well as a researcher. His main research contributions include understanding monsoon variability and development of monsoon prediction models, understanding extreme weather events like heavy rainfall and heat waves and cloud-radiation interaction. He had served in many international expert panels of WMO/WCRP including as a member of the Asian–Australian Monsoon Panel. He briefly served as the High-Level Adviser to the Commission for Climatology, WMO.Dr. Shailesh Nayak is the Former Secretary, Ministry of Earth Sciences. He did his Ph.D. in Geology in 1980 from the M.S. University of Baroda, and specialized in Oceanography and Remote Sensing. Initially, he has served in Indian Space Research Organization (ISRO) and worked on research areas of coastal and ocean processes and ocean-atmosphere interaction, coastal geomorphology, and hazards. He has also served as the Director, Indian National Centre for Ocean Information Services, INCOIS, Hyderabad, where he has set up a state-of-the-art Early Warning System for Tsunami and Storm Surges in the Indian Ocean. He has been providing leadership for the programs related to science of climate change, weather services, polar science, ocean science and modelling, ocean survey, resources, and technology. He has published more than 100 papers in journals, conferences and reports. He was honoured with an Honorary Doctorate of Science by Andhra University in 2011 and Assam University in 2013.

• Foreword.- Preface.- Executive Summary.- Acknowledgements.- Chapters.- List of Contributors.