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.

Join us for NHUG January Meeting: Running pre-trained AI models on Casper and More!

January 15, 2026

The next NCAR HPC User Group (NHUG) meeting will be held on Tuesday, January 20, 2025, at 1:00 PM MST. We invite all NCAR HPC users to join! This month’s agenda will include: • Upcoming workshops and relevant opportunities • Upcoming Outages and New Casper Login Nodes • Modern Python package management with Pixi and uv • Running pre-trained AI models on Casper To add this meeting to your ca...

2026 NCAR / NOAA / NLR Open Hackathon Applications Open

January 9, 2026

The 2026 NCAR / NOAA / NLR Open Hackathon is now accepting applications. Scheduled May 5th to 7th, the Open Hackathon will be a hybrid event, with virtual introduction meetings held on April 21st and 28th, when teams will be first introduced with expert mentors from National Labs, the computational science community, and NVIDIA. The hybrid event will be held in Boulder, CO, at the campus of NSF...

New podcast alert: “The Air We Share”

January 8, 2026

In December, Friends of the National Center officially launched “The Air We Share,” a new podcast dedicated to the people whose curiosity helped shape the science, culture, and legacy of UCAR, NSF NCAR, and UCP. In its debut season, “The Air We Share” explores the theme of curiosity—the spark that has driven groundbreaking research and collaboration for decades. Each episode features retired st...

Celebrating 85 years of the High Altitude Observatory at NSF NCAR

January 8, 2026

Last month marked the 85th anniversary of NSF NCAR’s High Altitude Observatory (HAO), a milestone celebrating nearly a century of advancing solar science. HAO’s legacy began in 1940 with the establishment of the Climax Observatory near Leadville, Colorado, which housed North America’s first coronagraph. This pioneering facility eventually evolved into HAO and became a founding division of NSF N...

New Hostnames for Casper HPC Login Nodes

January 6, 2026

Recently, a new set of Casper login nodes have been added as available login options for Casper HPC users. Specifically, three nodes crlogin[1-3] were added and users who login via casper.hpc.ucar.edu may be assigned these new nodes. If in any of your workflows or scripts you have manually specified either of the two casper-login[1-2].hpc.ucar.edu login nodes as the Casper login hostname, plea...

NASEM - “Bridging AI & Earth Systems Forecasting Applications” Webinar and Workshop

December 30, 2025

The final virtual webinar “Bridging AI & Earth Systems Forecasting Applications” of a 4-part educational webinar series, AI for Weather & Climate Forecasting, which is an activity of the National Academies Roundtable on Artificial Intelligence & Climate Change, is scheduled for January 8, 2026 12pm to 1pm MT. All are invited to attend or register to receive a recording of the event. The series...