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.

Take the NSF Unidata survey by Friday—enter to share your ESS insights and win swag!
June 16, 2025

The NSF Unidata program is conducting a community survey, open until Friday, June 20. The survey aims to gather insights that will support community progress in the Earth Systems Science field. The NSF Unidata program is dedicated to developing tools, services, and opportunities that cater to the needs of the Earth Systems Science community. The survey includes questions to better understand yo...

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Read the news story: SIParCS internship program welcomes Summer 2025 students
June 9, 2025

On Monday, May 19, NSF NCAR’s Computational and Information Systems Lab (CISL) welcomed 12 new interns into the Summer Internships in Parallel Computational Science (SIParCS) program.  The SIParCS program, sponsored by CISL, offers an 11-week experience where interns work closely with lead and co-mentors, culminating in project presentations and a poster symposium at the end of July.  The 202...

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Pythia Cook-off Hackathon: Apply by 6/20 for travel support
June 9, 2025

The 2025 Pythia Cook-off will be held in-person from Tuesday, August 5 to Friday, August 8, at the NSF NCAR Mesa Lab in Boulder, CO. This NSF-funded hackathon is dedicated to the development of Pythia Cookbooks, and emphasizes open-source resources for the scientific community. To join, register here by Sunday, July 20.  Applications for graduate student and postdoctoral travel support are ava...

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Majority of HPC Resources Down through Monday, June 9th
June 6, 2025

The majority of HPC resources will remain down through the afternoon of Monday, June 9. A disk enclosure subsystem of the Derecho scratch filesystem has failed, requiring further replacement activities. A spare part is being shipped, but we will not be able to restore additional services today. The Campaign Storage, Home, and Work file systems are up and accessible through the Casper login nod...

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June 5th Update: Major HPC Facility Maintenance
June 5, 2025

NWSC Facility Maintenance is continuing throughout the week and progressing according to schedule. As of 7AM MDT Wednesday June 4th all resources have been down and are expected to remain so until no-earlier-than Thursday morning.  We have been using one of two redundant internal power feeds today to allow for electrical system maintenance.  This configuration triggered an instability which ha...

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June 3rd Update: Major HPC Facility Maintenance
June 3, 2025

NWSC Facility Maintenance is continuing throughout the week. Initial shutdown activities were completed yesterday.  We experienced a number of challenges with temporary cooling units that have impacted our original system continuity plans.  At this point home, work, Campaign Storage file systems remain available and can be accessed through the Casper login nodes.  Currently, no Casper compute ...

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This material is based upon work supported by the National Center for Atmospheric Research, a major facility sponsored by National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.