NSF Unidata Update: October 2026

In case you missed it — here's a recap of news from the NSF Unidata Program Center for the month of October 2026.

Spotlight

NSF Unidata Welcomes Shantel Martinez as Community Services & Partnerships Manager

Please join us in welcoming Shantel Martinez, Ph.D., Unidata’s new Community Services & Partnerships Manager! Shantel brings extensive experience building partnerships and engaging communities to strengthen collaboration across science, education, and research. Learn more about Shantel and her vision for connecting the Unidata community

News From Our Tech Stack

NetCDF-Java version 5.11.0 released

The NSF Unidata THREDDS development team is happy to announce the release of version 5.11.0 of the netCDF-Java/Common Data Model (CDM) library. This release contains a number of enhancements, bug fixes, and 3rd party dependency updates. New features include support GRIB-2 template 3.33 and RRFS aerosol product support, upgrades to NCEP GRIB2 tables, and improving xpublish DAP2 compatibility.

MetPy Mondays #340 - Plotting HRRR Forecast Radar

This MetPy Monday tutorial demonstrates how to use Herbie to download HRRR model data and plot forecast radar imagery in Python.

MetPy Mondays #341 - Making a Cross-Section with MetPy Part 1

This MetPy Monday episode starts a two-part tutorial on creating meteorological cross-sections in Python.

TDS version 5.10 released

The NSF Unidata THREDDS Development Team is happy to announce the release of version 5.10 of the THREDDS Data Server. This release contains several enhancements, bug fixes for user-reported problems, and security updates.

UDUNITS-2 Community Call

The next UDUNITS Community Call is scheduled for Wednesday, 4 November 2026. This call is open to anyone interested in the technical development or the long-term sustainability of the UDUNITS package. Whether you are a long-time contributor or are simply interested in how UDUNITS supports the Earth System Sciences community, we would love to have you join the conversation.

LDM 6.15.1 Released

LDM 6.15.1 removes the optional blender component, which was designed to improve SBN reception by combining multisourced NOAAPort streams to fill frame-level gaps.

New in IDV: Direct Access to the NEXRAD AWS Archive

Explore decades of high-resolution NEXRAD Level II radar data directly in the Unidata Integrated Data Viewer (IDV)! Thanks to an upgrade to netCDF-Java, accessing archived radar observations for investigating storm structure and exploring storms in 3D is now just a few clicks away.