The WCRP Digital Earths Lighthouse Activity—supported by key initiatives like Destination Earth (DestinE) ,Next Generation Earth System Modelling (NextGEMS),WarmWorld,Earth Visualization Engines (EVE),European Eddy-Rich Earth System Models (EERIE),WCRP ESMO,and with the endorsement of the CMIP panel—is serving as the primary sponsor and coordinating body for this hackathon.

The 2025 global hackathon is designed to:“Foster Community and Open Access”“Drive Advances in Storm Resolving Models”“Establish Common Standards”.Multiple models are involved globally,including CAS-ESM,ICON,NICAM,SCREAM,and Unified Model. Offline data comparison and analysis will be conducted at nine nodes across seven countries: Beijing (China),Boulder (USA),Oxford (UK),São Paulo (Brazil),Hamburg (Germany),Tokyo (Japan),and Australia.

The Beijing Node will be hosted by the Institute of Atmospheric Physics, Chinese Academy of Sciences, and undertaken by the Earth System Numerical Simulation Facility, State Key Laboratory of Atmospheric Environmentand Extreme Meteorology, and State Key Laboratory of Numerical Simulation for Earth System and Applications. We sincerely invite youto actively participate inthisevent, deeplyanalyzethe numerical simulationresultsof multiple models together with outstanding scientists from around the world, explore the mysteries in climate simulation data, reveal the mechanisms and impacts of climate change, and jointly enhance humanity's capacity to address climate change.

Please join us for a week of hacking,finding bugs,fixing bugs,and a lot of fun .

1、Time and Venue

Time:May 12th to 16th,2025

Venue:The Hackathon is hosted at the Miyun Campus of the Institute of Atmospheric Physics,Chinese Academy of Sciences.

2、Event Scale

Total attendance: Approximately 80 participants.

3、Event Schedule (Provisional)

4、Topics

Participants will engage in collaborative efforts within international topical groups,with their foci centered on:

1. High-resolution numerical simulation of the 2020 Asian monsoon seasonal progression. Convener: Chaofan Li,Boqi Liu,Ke Xu

2. How do km-scale convection permtting models simulate the extreme Meiyu rainfall in 2020 associated with East Asian summer monsoon?

 Convener: Wenxia Zhang,Xiaolong Chen

3. Kilometer-Scale Convection-Permitting Modeling of Compound Heat and Drought Events. Convener: Lixia Zhang,Qin Su,Xiaojing Yu

4. Consecutive Northward-Moving Typhoons Impacting Northeast China: Numerical Model Reproducibility and Underlying Mechanisms of Anomalous Behaviors.

Convener: Shenming Fu,Zhongfeng Xu

5. Modulation of multiscale waves on tropical cyclogenesis over the western North Pacific. Convener: Guanghua Chen,Huangfu Jingliang,Yulian Tang

6. Modeling the climate over the Pan-Third Pole region using kilometer-scale climate models. Convener: Liwei Zou

7. Characteristics of MCS precipitation，convection and vortex under mid-latitude quasi-stationary fronts (i.e.,the Mei-yu front) over the complex topographical regions.

Convener: Yuanchun Zhang,Puxi Li

8. Propagation of the MJO convection and its impacts on extreme events.

Convener: Guiwan Chen,Zhangqun Li

9. Land-atmosphere interactions and extreme events.

Convener: Chenglai Wu,Yong Wang,Xianghui Kong,Zuowei Xie

We will pre - prepare the simulation data (with the data analysis time span from 1st March 2020 to 28th February 2021),establish the analysis environment,and arrange relevant training activities. Participants registering for the conference are required to bring their personal laptops to the event.

5、Event Organizing Committee

Chair: Zhou Tianjun

Vice-Chairs: Su Hang,Yuan Xing,Zhang Mulan

Members:

Technical Team: Zhang He,Zhang Dongling,Florian Ziemen,Xiao Xia,Chen Kangjun,Li Guo

Logistics Team: Hua Fei,Cao Meichun,Wang Tong,Yi Sainan,Xu Jingjing,Qiu Xinyu,Li Guoqiang

6、Registration

Online registration deadline: April 15.

To register: Visit the official website of the Hackathon Beijing Node: https://earthlab.iap.ac.cn/en/hackathon2025/,click the"Registration"section,and complete the registration by filling in personal information online.

After the registration is confirmed and approved,a participation fee of ¥1,200 is required. The fee covers venue usage and catering. Specific payment information will be announced separately.

7. Accommodation

The Organizing Committee has coordinated and arranged the UCAS International Conference Center as the accommodation venue. During the event,a shuttle bus service will be provided once in the morning and once in the evening between the hotel and the venue. You can also book other hotels near the venue according to your personal needs.

8. Contact Information

For any questions regarding the event,please contact us via email:
E-mail: hackathon-beijing@mail.iap.ac.cn

We look forward to your participation. Let us join hands in this Hackathon to contribute wisdom and strength to climate research.