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 a seminar about inverting observations to understand the Sun

October 24, 2025

On Wednesday, November 5, from 2:00 pm to 3:00 pm MT, join NSF NCAR’s High Altitude Observatory (HAO) for a colloquium. The talk is entitled "Invert Everything Everywhere All at Once." Christoph Keller, of the National Solar Observatory (NSO), will discuss how physics-informed neural networks can be used for extreme inversion problems, such as deriving velocities, densities, and temperatures f...

Deadline extended! Second Workshop on Correctness and Reproducibility for Earth System Software & R3Sw Tutorial

October 21, 2025

Register now for the 2nd Workshop on Correctness and Reproducibility for Earth System Software. This workshop will be held in conjunction with the tutorial, “Rigor and Reasoning in Scientific Software (R3Sw).” Deadline for in-person registration extended until this Friday! You can now register by this Friday, October 24 for in-person registration ($80), or by Friday, October 31 for virtual reg...

GDEX is now entering Phase II! Your spooky guide to what's next.

October 20, 2025 Updated: October 21, 2025

GDEX is now entering Phase II! Your spooky guide to what's next. As the NSF NCAR Data Commons Initiative enters Phase II, our goal is to ensure all staff have access to the new resources offered by the Geoscience Data Exchange (GDEX). GDEX is the unified platform that transforms how we manage and share data, enabling AI/ML readiness and collaboration in Earth system science. As spooky season a...

October 20, 2025 - HPC Login Disruption this past weekend

October 20, 2025

Users were unable to initiate new login sessions on all NSF NCAR HPC resources this past weekend as a result of authentication system maintenance. As of 7:45 pm Sunday October 19 user logins were restored. Queued jobs continued to run throughout the disruption. We apologize for the inconvenience.

Join Us for the October NHUG Meeting: CIRRUS CI Workflows for StormSpeed, PBS GPU Updates, and More!

October 20, 2025

The next NCAR HPC User Group (NHUG) meeting will be held on Tuesday, October 21, 2025, at 1:00 PM MT, and we invite all NCAR HPC users to join. This month’s agenda will include: • Upcoming workshops and relevant opportunities • November planned outages • Upcoming changes to PBS GPU type selection on Derecho and Casper • Stratus/Boreas transition updates • Leveraging CISL’s CIRRUS cloud to run...

Read the article: “Weathering the forecast: How AMPS powers Antarctic operations”

October 20, 2025

NSF NCAR plays a crucial, life-saving role in Antarctic operations through its Antarctic Mesoscale Prediction System (AMPS). Now celebrating its 25th anniversary, AMPS was developed in 2000 and operates with support from the NSF Office of Polar Programs (OPP). AMPS uses advanced weather models running on the Derecho supercomputer to generate critical, twice-daily forecasts for the entire Antar...