NSF Unidata Update: August & September 2026

In case you missed it — here's a recap of news from the NSF Unidata Program Center for the months of August & September 2026.

MetPy Mondays #336 - Accessing GOES Archives from S3

This MetPy Monday tutorial shows how to retrieve GOES satellite archive data and plot it in Python using MetPy's declarative plotting interface.

UDUNITS-2 Community Call

A UDUNITS Community Call was held on Monday, 14 September 2026. This call, and all future calls, are 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.

MetPy Mondays #337 - Temperature Gradients on Real Weather Grids Part 1

John Leeman from NSF Unidata starts a two-part series on calculating and plotting temperature gradients in Python.

NSF Unidata AWIPS 23.4.3-1 Release

Tiffany Meyer is back with AWIPS Tips and a new AWIPS release! Version 23.4.3-1, is available for both EDEX and CAVE. This release includes an upgrade of Java 11 to Java 17 as well as some bug fixes and new content. This version is compatible with the previous 23.4.1-1 release.

IDV 7.1

The Integrated Data Viewer (IDV) version 7.1 is available now. This is a major release and is recommended for all users.

MetPy Mondays #338 - Temperature Gradients on Real Weather Grids Part 2

John Leeman completes the two-part temperature gradient tutorial by showing how to map the gradient field calculated in Part 1.

MetPy Mondays #339 - Ways to Plot the Wind (streamlines, quiver, barbs)

This MetPy Monday tutorial compares streamlines, quiver plots, and wind barbs for visualizing wind and flow fields in Python.

NetCDF operators (NCO) version 5.4.0

Version 5.4.0 of the netCDF Operators (NCO) has been released.