The Mistral Hackathon organized by Arpa Piemonte took place at the Politecnico di Milano. It was possible to follow the meeting on twitter https://twitter.com/Mistral_hack19 and on the Mistral hackathon YouTube channel there are the contributions of some experts who introduced the hackathon work sessions: https://www.youtube.com/channel/UClwdORR699ANIcWZ6yIel6g

It was an intense day of confrontation between experts on nine application areas to collect requests and advice on the design of Mistral: the National Portal of meteorological Opendata, both real-time and historical.