Harnessing the power of weather information to save lives, build resilience and enhance economic output and social well-being on the theme of Urbanisation and the rise of the Megacity, Asia Climate Week 2019 is four intensive days packed with hard hitting expert presentations, discussions and workshops from the public, private and academic sectors of the Global Weather Enterprise. The programme will illustrate how weather data is being used routinely by public and private enterprise to enhance efficiency and profitability, examine the key role of weather and related data in meeting the growing challenge of extreme weather & climate change to the urban environment, highlight the latest developments in hydrometeorology technology, information and forecasting services, and impact early warning systems, demonstrate the importance of relevant, effective and timely communications, show how key public and private organisations are using hydrometeorology to save lives, build resilience and enhance economic output