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.

March 4th Deadline - University Large Allocation Requests

February 25, 2026

CISL is now accepting large-scale allocation requests from university-based researchers for the Derecho system as well as the Casper data analysis and visualization cluster with a submission deadline of March 4, 2026. We are actively seeking projects that can take advantage of Derecho’s 328 NVIDIA A100 GPUs. CISL accepts requests from university researchers for large-scale allocations every six...

km-Scale Global Modelling Summit 2026 - Abstracts Open

February 23, 2026

WarmWorld and related projects from across Europe and the world are organizing the km-Scale Global Modelling Summit 2026 to take stock of the rapid and exciting scientific and technical developments associated with the development of the next generation km-scale global models. The summit will take place in Hamburg, Germany, on 20-24 July 2026, and will bring together experts from the domains o...

All HPC Resources Scheduled Outage: Tuesday, March 3rd

February 23, 2026

All HPC resources, including Derecho, Casper, and JupyterHub, will be unavailable on Tuesday, March 3rd from 6:00 AM – 6:00 PM MST. This downtime will facilitate Derecho cooling system maintenance as well as security patches and software updates. The storage systems, Campaign Storage and Destor (Derecho Scratch), will also be unavailable during the outage. We will update the default ncarenv ...

Project Pythia Cook-off 2026: Apply for travel support by Sun. 3/22!

February 23, 2026

Please share with those who may be interested in this opportunity. On Monday, June 15 to Thursday, June 18, the Computational and Information Systems Lab (CISL) at NSF NCAR will host the Pythia Cook-off 2026 at the Mesa Lab in Boulder, CO. This NSF-funded event focuses on developing Pythia Cookbooks to create open-source resources for the global scientific community. Project Pythia is an educ...

Upcoming SEA Discussion: Confessions of a Vibe Coder

February 23, 2026

On March 11th at 10 AM MT, the UCAR Software Engineering Assembly (SEA) will host an open discussion in which we take an informal look at the potential and pitfalls of using LLMs as code contributors and collaborators. Ben Kirk, from NSF NCAR’s Computational and Information Systems Laboratory (CISL) will facilitate the discussion. Over the past few months, Ben has used the Claude LLM to tackle ...

2026 EdEc ASP Summer Colloquium

February 20, 2026

Final reminder, the NSF NCAR Advanced Study Program (ASP) invites graduate students who are interested in learning how to conduct innovative convergence research that uses a systems approach to strengthen resilience against compound hazards to apply to the 2026 ASP Summer Colloquium scheduled July 13–24, 2026 in Boulder, CO. This year’s theme will be “Beyond Boundaries: Training Earth System S...