CISL Daily Bulletin

The Daily Bulletin delivers news about CISL’s high-performance computing environment, training opportunities, scheduled maintenance, and other events of interest to the user community. To get the Daily Bulletin by email, use this link to subscribe.

Register now for the August hackathon: Pythia Cook-off in Boulder, CO

June 24, 2025

This summer, join a fully in-person hackathon dedicated to the development of Pythia Cookbooks! Running from Tuesday, August 5 to Friday, August 8, the 2025 Pythia Cook-off will take place at the NSF NCAR Mesa Lab in Boulder, CO. The Cook-off offers participants a unique opportunity to enhance their Python programming, communication, collaboration, and educational skills, while contributing t...

Submit an abstract by 7/25 for a November workshop on Earth system software

June 23, 2025

Abstracts are currently being accepted, through Friday, July 25, for the Second Workshop on Correctness and Reproducibility for Earth System Software. The workshop will take place from Wednesday, November 5 to Thursday, November 7, both virtually and in-person at NSF NCAR’s Mesa Laboratory in Boulder, CO. This event is held in conjunction with the tutorial, “Rigor and Reasoning in Scientific S...

HPC System Maintenance July 22-23 2025

June 20, 2025

All HPC resources will be down July 22-23 to allow for network upgrades required for improved Derecho file system performance as well as to perform PBS server and configuration upgrades. Derecho, Casper, and JupyterHub will be down July 22 and 23. In contrast to typical outages, jobs still queued on Casper at the time of the outage will need to be resubmitted when the system returns to service...

Reminder! This Friday is the deadline to apply for travel support for the Project Pythia Cook-off

June 16, 2025

From Tuesday, August 5 to Friday, August 8, the 2025 Pythia Cook-off—a fully in-person hackathon dedicated to the development of Pythia Cookbooks—will take place at the NSF NCAR Mesa Lab in Boulder, CO. See the flyer for details. Travel support may be available! To be considered for domestic student travel support, please complete your registration by Friday, June 20, answering all prompts abo...

Read the news article: Local node of a global hackathon tackles km-scale climate challenges

June 16, 2025

The NSF NCAR node of the global Digital Earths hackathon, held from Monday, May 12 to Friday, May 16, addressed challenges from an important new development in the field: kilometer-scale climate models. The Digital Earths Hackathon was a global event organized by the World Climate Research Programme (WCRP), bringing together over 650 in-person participants across 10 sites worldwide. NSF NCAR h...

Watch the recording: May 2025 NSF NCAR Town Hall and AMS webinar

June 16, 2025

Now available for viewing: The recording of the AMS Webinar from NSF NCAR’s Town Hall on Advanced Computing, Data Services, Software and Resources, which took place on Wednesday, May 28, 2025. This fascinating Town Hall showcases the latest advancements in NSF NCAR cyberinfrastructure, designed to empower earth system science. Watch the webinar to learn key updates from NSF NCAR, the organizat...