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4. April 2025
After four days of hacking and collaborating together, March 28th, 2025, marked the final session of „The Final Countdown“ hackathon in Stockholm. Focused on the possible applications of Storm-Resolving Earth System Models (SR-ESM) in the renewable energy sector, this was also the last hackathon of the nextGEMS project. Some extraordinary accomplishments were made during the past 5 years since the start of this visionary project. The group was, for example, able to create 10, 5, and 2 kilometer-scale runs, and are close to release runs with a resolution of 1 kilometer. However, nothing stands out more than the solid and compromised community nextGEMS has built up through the years: talented and curious people working together to push forward high-resolution climate modeling and understanding the possibilities it comprises for a warming and changing planet.
The last hackathon day involved a small plot contest, won by scientist Matthias Aengenheyster from the European Center for Medium-Range Weather Forecasts (ECMWF). His visual shows wind gust speed and 2-minute averaged precipitation in an area around Japan for the coupled IFS-FESOM model simulation at 2.8 km resolution. Near the bottom, a tropical cyclone is approaching Japan, while another one near the top is transitioning from inter-tropical to an extra-tropical cyclone as it moves to cooler latitudes.
During the closing session, the five thematic groups were able to share their advancements with the audience. For instance, the Renewable Energy group talked about their efforts to monitor wind speed shifts in the central Sweden region with nextGEMS’ climate models, where some of the stakeholder companies had placed wind turbines. In parallel, the Storms & Radiation team shared their intentions to prepare 3 thematic research papers on diverse topics, such as climate sensitivity, feedback decomposition and tropical cloud organization—the last one with a special focus on deep convective clouds.
In an engaging presentation, some of the early-career scientists and first-time hackathon attendees who participated in the Storms & Land group, provided interesting insights of the snow coverage observations in the Iberian mountain range. Similarly, the Storms & Ocean team share their observations of mesoscale ocean circulation patterns (typically between 10 to 500 km in diameter) occurring at shallow depths, as well as their interest of observing the historical future of “El Niño” phenomenon. The Storms & Society thematic group conducted several interviews during the event and disseminated a final survey with the participants to finish their work on Climate Science storylines and the impact of hackathons in knowledge co-production.
Finally, Climate Physics Director at the Max Planck Institute for Meteorology, Bjorn Stevens, closed the event remarking some of the useful applications nextGEMS’ models have enabled, such as testing hypotheses underpinning climate change, studying changes at the mesoscale or blocking statistics, and the representation of hydrological extremes worldwide. Furthermore, he mentioned some of the forthcoming activities for the community, spearheaded by nextGEMS, such as the upcoming Global Hackathon taking place in May, 2025.
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