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NCAR Advanced Research Computing

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

Final notice regarding RDA ERA5 Reanalysis GRIB files

April 18, 2025

The Data Engineering and Curation Section (DECS) of CISL is phasing out whole file download, subsetting, and Campaign Storage access to RDA ERA5 Reanalysis in GRIB format (d633000). ERA5 Reanalysis GRIB files on Campaign Storage have not been accessible since early March and will be removed Wednesday, April 30, 2025. We expect no impact as many users have already transitioned to the NetCDF fil...

Join a seminar about the NOAA Satellite Observing Systems Architecture

April 17, 2025

On Wednesday, April 30, from 2:00 to 3:00 p.m. MT, join NSF NCAR’s High Altitude Observatory (HAO) for a live seminar. The talk, entitled “The Systems Approach to the NOAA Satellite Observing Systems Architecture (NSOSA) Project,” features speaker Mark Maier from the University of Utah. From 2014 to 2018, NOAA's NSOSA program studied alternative approaches to environmental observation satellit...

Join a seminar about the importance of meteoric-sulfuric particles

April 17, 2025

On Tuesday, April 29, from 3:30 to 4:30 p.m. MT, join NSF NCAR’s Earth Observing Laboratory (EOL) and Atmospheric Chemistry Observations and Modeling (ACOM) lab for a seminar featuring Michael Lawler of CIRES/NOAA. The talk is entitled “Meteoric-Sulfuric Particles Formed in the Winter Polar Vortex: Their Size, Composition, and Fate.” Understanding stratospheric aerosol is important for predicti...

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