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NCAR Advanced Research Computing

Information, news and other support for our HPC user community.

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 ...

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