# Latest

**URL:** https://discourse.pangeo.io/latest.md?page=2

[Latest](https://discourse.pangeo.io/latest.md) · [Categories](https://discourse.pangeo.io/categories.md) · [Tags](https://discourse.pangeo.io/tags.md)

**Page:** 3

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## [Optimizing data load/compute when using STAC API](https://discourse.pangeo.io/t/optimizing-data-load-compute-when-using-stac-api/5563)

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**Author:** [@Valentina\_Premier](https://discourse.pangeo.io/u/Valentina_Premier)\
**Replies:** 1\
**Last updated:** [April 20, 2026, 4:00pm UTC](https://discourse.pangeo.io/t/optimizing-data-load-compute-when-using-stac-api/5563 "2026-04-20T16:00:47Z")

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Hi all, I am wondering if I can use dask to speed up the computation/data load over a relatively large area (Euregio region). I have a single time step and I want to upload Sentinel-2 data though the CDSE STAC API. I a…

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## [WxData 1.6 Released](https://discourse.pangeo.io/t/wxdata-1-6-released/5565)

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**Author:** [@edrewitz](https://discourse.pangeo.io/u/edrewitz)\
**Replies:** 0\
**Last updated:** [April 19, 2026, 6:08pm UTC](https://discourse.pangeo.io/t/wxdata-1-6-released/5565 "2026-04-19T18:08:28Z")

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:tada:WxData 1.6 is released on both conda-forge and pypi and has a lot of exciting new features. :tada: In this post I will cover both the new features as well as provide an overview of existing features for those who …

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## [Pangeo Showcase: "GitHub as a cloud portal for reproducible research workflows"](https://discourse.pangeo.io/t/pangeo-showcase-github-as-a-cloud-portal-for-reproducible-research-workflows/5551)

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**Author:** [@chuckwondo](https://discourse.pangeo.io/u/chuckwondo)\
**Replies:** 1\
**Last updated:** [April 8, 2026, 9:07pm UTC](https://discourse.pangeo.io/t/pangeo-showcase-github-as-a-cloud-portal-for-reproducible-research-workflows/5551 "2026-04-08T21:07:15Z")

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Title: “GitHub as a cloud portal for reproducible research workflows” Speaker: Scott Henderson Scott is a research scientist at the University of Washington department of Earth and Space Sciences and data…

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## [Data pipelining and cataloging best practices (? using intake-xarray to transform and combine data metadata?)](https://discourse.pangeo.io/t/data-pipelining-and-cataloging-best-practices-using-intake-xarray-to-transform-and-combine-data-metadata/5550)

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**Author:** [@NickHodgskin](https://discourse.pangeo.io/u/NickHodgskin)\
**Replies:** 6\
**Last updated:** [April 8, 2026, 12:34am UTC](https://discourse.pangeo.io/t/data-pipelining-and-cataloging-best-practices-using-intake-xarray-to-transform-and-combine-data-metadata/5550 "2026-04-08T00:34:55Z")

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Heyall - I would like to streamline the ingestion of various datasets. I have seen a lot of conversation around intake-xarray, so have started looking into that. One of the problems, however, with the NetCDF data is that…

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## [Join us: Advanced Analysis with Sentinel GeoZarr (20 April) - EOPF Explorer + openEO](https://discourse.pangeo.io/t/join-us-advanced-analysis-with-sentinel-geozarr-20-april-eopf-explorer-openeo/5556)

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**Author:** [@Sabrina](https://discourse.pangeo.io/u/Sabrina)\
**Replies:** 0\
**Last updated:** [April 7, 2026, 9:06am UTC](https://discourse.pangeo.io/t/join-us-advanced-analysis-with-sentinel-geozarr-20-april-eopf-explorer-openeo/5556 "2026-04-07T09:06:07Z")

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Hello! Thank you again to everyone from the Pangeo community who joined the first EOPF Explorer webinar. Following the strong response from that session, we are organising a hands-on workshop that lets you try out analy…

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## [Machine Learning Working Group](https://discourse.pangeo.io/t/machine-learning-working-group/5498)

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**Author:** [@kafitzgerald](https://discourse.pangeo.io/u/kafitzgerald)\
**Replies:** 4\
**Last updated:** [April 5, 2026, 7:31am UTC](https://discourse.pangeo.io/t/machine-learning-working-group/5498 "2026-04-05T07:31:36Z")

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I was curious if the Pangeo Machine Learning Working Group was still active. I tried joining today (via the link on the calendar and website) and didn’t see anyone, but wasn’t sure if that was a good indicator or maybe …

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## [AGU Fall Meeting 2020](https://discourse.pangeo.io/t/agu-fall-meeting-2020/1087)

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**Author:** [@scottyhq](https://discourse.pangeo.io/u/scottyhq)\
**Replies:** 1\
**Last updated:** [April 3, 2026, 4:51am UTC](https://discourse.pangeo.io/t/agu-fall-meeting-2020/1087 "2026-04-03T04:51:06Z")

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While unfortunately there won’t be a Pangeo gathering in person this year, here are some sessions relevant to Pangeo at AGU 2020 happening this week and next. The workshop content linked below is publicly available, but …

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## [Pangeo Showcase: "GPU-Accelerated Zarr" (April 1, 12 PM US Eastern)](https://discourse.pangeo.io/t/pangeo-showcase-gpu-accelerated-zarr-april-1-12-pm-us-eastern/5549)

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**Author:** [@chuckwondo](https://discourse.pangeo.io/u/chuckwondo)\
**Replies:** 1\
**Last updated:** [April 1, 2026, 3:36pm UTC](https://discourse.pangeo.io/t/pangeo-showcase-gpu-accelerated-zarr-april-1-12-pm-us-eastern/5549 "2026-04-01T15:36:52Z")

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Title: “GPU-Accelerated Zarr” Speaker: Tom Augspurger. Tom is a software engineer working on accelerated data analysis tools at Nvidia. When: Wednesday, April 1, 2026 at 12 PM US Eastern (2026-04-01T16:00…

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## [Groundtruth - validating ERA5 against real weather station observations (5 climate zones, runs in Binder)](https://discourse.pangeo.io/t/groundtruth-validating-era5-against-real-weather-station-observations-5-climate-zones-runs-in-binder/5534)

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**Author:** [@Northflow](https://discourse.pangeo.io/u/Northflow)\
**Replies:** 2\
**Last updated:** [March 29, 2026, 4:03pm UTC](https://discourse.pangeo.io/t/groundtruth-validating-era5-against-real-weather-station-observations-5-climate-zones-runs-in-binder/5534 "2026-03-29T16:03:28Z")

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ERA5 is used in thousands of climate studies every year. But validation against actual weather station observations, structured, reproducible, and exportable - is rarely done. This notebook changes that. What it does…

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## [Efficient extraction of concurrent variables using rolling-window argmax indices](https://discourse.pangeo.io/t/efficient-extraction-of-concurrent-variables-using-rolling-window-argmax-indices/5541)

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**Author:** [@chaithra](https://discourse.pangeo.io/u/chaithra)\
**Replies:** 8\
**Last updated:** [March 28, 2026, 10:05am UTC](https://discourse.pangeo.io/t/efficient-extraction-of-concurrent-variables-using-rolling-window-argmax-indices/5541 "2026-03-28T10:05:18Z")

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Hi, I am working with CMIP6 daily piControl data. My objective is to identify the 5-day period of maximum precipitation (Rx5day) for each year, and then extract the concurrent daily data for other variables (temperature…

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## [Managing Parallel Dask Graphs](https://discourse.pangeo.io/t/managing-parallel-dask-graphs/5547)

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**Author:** [@Tman](https://discourse.pangeo.io/u/Tman)\
**Replies:** 0\
**Last updated:** [March 27, 2026, 3:42pm UTC](https://discourse.pangeo.io/t/managing-parallel-dask-graphs/5547 "2026-03-27T15:42:56Z")

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Hi all! I’ve been working with @darothen and the Brightband team on ExtremeWeatherBench (EWB) for a bit over a year now. We’ve done a lot of great work and I’ve been able to really dial in parts of the code seeing years…

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## [Chunk-level GPU parallelism in using cutile-python?](https://discourse.pangeo.io/t/chunk-level-gpu-parallelism-in-using-cutile-python/5469)

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**Author:** [@TomNicholas](https://discourse.pangeo.io/u/TomNicholas)\
**Replies:** 5\
**Last updated:** [March 23, 2026, 11:10pm UTC](https://discourse.pangeo.io/t/chunk-level-gpu-parallelism-in-using-cutile-python/5469 "2026-03-23T23:10:55Z")

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NVIDIA recently released CUDA-tiles, which basically allows you to specify how you want to do chunk-level parallelism in python code and have the GPU just do it. See cutile-python. I’m not really a GPU person, but could…

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## [RasterioIOError when using CDSE STAC API](https://discourse.pangeo.io/t/rasterioioerror-when-using-cdse-stac-api/5540)

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**Author:** [@Valentina\_Premier](https://discourse.pangeo.io/u/Valentina_Premier)\
**Replies:** 2\
**Last updated:** [March 23, 2026, 8:51am UTC](https://discourse.pangeo.io/t/rasterioioerror-when-using-cdse-stac-api/5540 "2026-03-23T08:51:08Z")

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Hi all, I need someone’s help to understand what is going wrong in my workflow! I am trying to read Sentinel-2 data through the CDSE STAC API and stackstac pyhton library and applying a workflow for snow classification…

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## [\`scipy\` is considering to mark the netcdf3-reader in \`scipy.io\` as "legacy"](https://discourse.pangeo.io/t/scipy-is-considering-to-mark-the-netcdf3-reader-in-scipy-io-as-legacy/5542)

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**Author:** [@keewis](https://discourse.pangeo.io/u/keewis)\
**Replies:** 0\
**Last updated:** [March 22, 2026, 1:13am UTC](https://discourse.pangeo.io/t/scipy-is-considering-to-mark-the-netcdf3-reader-in-scipy-io-as-legacy/5542 "2026-03-22T01:13:41Z")

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scipy is considering to mark the netcdf reader in scipy.io as “legacy” (which means “not deprecated, but minimally maintained”). See RFC: declaring netcdf IO functions in \`scipy.io\` as legacy · Issue #24885 · scipy/scipy…

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## [2026 Project Pythia Cookbook Cook-off - Travel Support Deadline Approaching](https://discourse.pangeo.io/t/2026-project-pythia-cookbook-cook-off-travel-support-deadline-approaching/5539)

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**Author:** [@jukent](https://discourse.pangeo.io/u/jukent)\
**Replies:** 0\
**Last updated:** [March 18, 2026, 8:33pm UTC](https://discourse.pangeo.io/t/2026-project-pythia-cookbook-cook-off-travel-support-deadline-approaching/5539 "2026-03-18T20:33:10Z")

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Just want to remind everyone about the fast approaching MARCH 22 DEADLINE for Travel Support Applications to the Project Pythia Cookbook Cook-off. Participant travel support provided by the NSF is available to a limited…

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## [Workflow suggestions with xarray/xclim and Dask cluster.adapt()](https://discourse.pangeo.io/t/workflow-suggestions-with-xarray-xclim-and-dask-cluster-adapt/5538)

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**Author:** [@jalder](https://discourse.pangeo.io/u/jalder)\
**Replies:** 1\
**Last updated:** [March 17, 2026, 10:02am UTC](https://discourse.pangeo.io/t/workflow-suggestions-with-xarray-xclim-and-dask-cluster-adapt/5538 "2026-03-17T10:02:30Z")

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Hi all, I do some heavy processing with the xclim xarray package, but I’ve always been stumped on being able to use Dask cluster.adapt to scale up or down based on HPC availability. The xclim package allows me to paralle…

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## [Shapeography - An Open Source Python Package that consists of a client to download cartographic (i.e. .shp/.geojson) files (has VPN/PROXY support) and other tools to unzip and extract and transform data from cartographic files](https://discourse.pangeo.io/t/shapeography-an-open-source-python-package-that-consists-of-a-client-to-download-cartographic-i-e-shp-geojson-files-has-vpn-proxy-support-and-other-tools-to-unzip-and-extract-and-transform-data-from-cartographic-files/5537)

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**Author:** [@edrewitz](https://discourse.pangeo.io/u/edrewitz)\
**Replies:** 0\
**Last updated:** [March 16, 2026, 5:32pm UTC](https://discourse.pangeo.io/t/shapeography-an-open-source-python-package-that-consists-of-a-client-to-download-cartographic-i-e-shp-geojson-files-has-vpn-proxy-support-and-other-tools-to-unzip-and-extract-and-transform-data-from-cartographic-files/5537 "2026-03-16T17:32:37Z")

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Hi everyone! I built a small Python package with the vision of making it easier for cartographic file management in FireWxPy 2.0 (I’ll do a post on here regarding FireWxPy after I release 2.0) and I think others may fin…

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## [Guidance on using Zarr on HPC (chunking, multi-file layouts, and node scaling for optimal CPU/memory use)](https://discourse.pangeo.io/t/guidance-on-using-zarr-on-hpc-chunking-multi-file-layouts-and-node-scaling-for-optimal-cpu-memory-use/5535)

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**Author:** [@lakshmitharun](https://discourse.pangeo.io/u/lakshmitharun)\
**Replies:** 0\
**Last updated:** [March 15, 2026, 10:08am UTC](https://discourse.pangeo.io/t/guidance-on-using-zarr-on-hpc-chunking-multi-file-layouts-and-node-scaling-for-optimal-cpu-memory-use/5535 "2026-03-15T10:08:18Z")

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Hi all, I’m working on an HPC workflow where we store large gridded datasets (SST-like, 3D arrays with dimensions similar to time × 3600 × 7200) in Zarr format on a parallel file system. I’m looking for any pointers to …

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## [Pangeo Showcase: "Visualizing Zarr with zarr-layer"](https://discourse.pangeo.io/t/pangeo-showcase-visualizing-zarr-with-zarr-layer/5531)

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**Author:** [@chuckwondo](https://discourse.pangeo.io/u/chuckwondo)\
**Replies:** 0\
**Last updated:** [March 6, 2026, 10:39pm UTC](https://discourse.pangeo.io/t/pangeo-showcase-visualizing-zarr-with-zarr-layer/5531 "2026-03-06T22:39:26Z")

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Title: “Visualizing Zarr with zarr-layer” Speaker: Shane Loeffler When: Wednesday, March 11, 2026 at 4 PM US Eastern (2026-03-11T20:00:00Z (UTC)) Where: Launch Meeting - Zoom Abstract: At CarbonPlan, …

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## [Pangeo Showcase: “No shard feelings: GeoZarr rendering in QGIS, powered by GDAL” (March 4, 2026 at 12 PM ET)](https://discourse.pangeo.io/t/pangeo-showcase-no-shard-feelings-geozarr-rendering-in-qgis-powered-by-gdal-march-4-2026-at-12-pm-et/5526)

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**Author:** [@chuckwondo](https://discourse.pangeo.io/u/chuckwondo)\
**Replies:** 2\
**Last updated:** [March 5, 2026, 10:17pm UTC](https://discourse.pangeo.io/t/pangeo-showcase-no-shard-feelings-geozarr-rendering-in-qgis-powered-by-gdal-march-4-2026-at-12-pm-et/5526 "2026-03-05T22:17:52Z")

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Title: “No shard feelings: GeoZarr rendering in QGIS, powered by GDAL” Speaker: Wietze Suijker When: Wednesday, March 4, 2026 at 12 PM US Eastern (2026-03-04T17:00:00Z (UTC)) Where: Launch Meeting - Zoom…

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## [Python Data Engineer (Freelance) - EU Climate Data Dashboard (CAMS / ECMWF)](https://discourse.pangeo.io/t/python-data-engineer-freelance-eu-climate-data-dashboard-cams-ecmwf/5521)

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**Author:** [@studio\_tkj](https://discourse.pangeo.io/u/studio_tkj)\
**Replies:** 1\
**Last updated:** [March 5, 2026, 3:58pm UTC](https://discourse.pangeo.io/t/python-data-engineer-freelance-eu-climate-data-dashboard-cams-ecmwf/5521 "2026-03-05T15:58:51Z")

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Tekja is a data visualisation studio based in London. We are assembling a team for an EU-funded climate data project involving the processing and visualisation of atmospheric datasets for a public-facing web platform. W…

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## [Quarterly meeting with NumFOCUS on Wednesday March 04, at 3 PM ET](https://discourse.pangeo.io/t/quarterly-meeting-with-numfocus-on-wednesday-march-04-at-3-pm-et/5527)

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**Author:** [@maxrjones](https://discourse.pangeo.io/u/maxrjones)\
**Replies:** 2\
**Last updated:** [March 5, 2026, 9:35am UTC](https://discourse.pangeo.io/t/quarterly-meeting-with-numfocus-on-wednesday-march-04-at-3-pm-et/5527 "2026-03-05T09:35:33Z")

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Hey folks, sorry for the very late notice, but the quarterly NumFOCUS ↔ Pangeo meeting is today from 3-4 PM ET. Please let me know via commenting here or a DM if you’d like to be added to the invite (especially folks fro…

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## [WxData - A Python Package that acts as a data managing/processing client works on VPN/PROXY connections](https://discourse.pangeo.io/t/wxdata-a-python-package-that-acts-as-a-data-managing-processing-client-works-on-vpn-proxy-connections/5489)

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**Author:** [@edrewitz](https://discourse.pangeo.io/u/edrewitz)\
**Replies:** 1\
**Last updated:** [March 5, 2026, 2:01am UTC](https://discourse.pangeo.io/t/wxdata-a-python-package-that-acts-as-a-data-managing-processing-client-works-on-vpn-proxy-connections/5489 "2026-03-05T02:01:29Z")

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Hi all! I figured this forum is a great place to raise awareness about a new Python package I created called WxData (first released in November 2025 available on Anaconda and PYPI). WxData is a Python package that utili…

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## [Climval: lightweight Python library for climate model validation](https://discourse.pangeo.io/t/climval-lightweight-python-library-for-climate-model-validation/5516)

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**Author:** [@Northflow](https://discourse.pangeo.io/u/Northflow)\
**Replies:** 4\
**Last updated:** [February 28, 2026, 3:48pm UTC](https://discourse.pangeo.io/t/climval-lightweight-python-library-for-climate-model-validation/5516 "2026-02-28T15:48:52Z")

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Hey! We’re Northflow, an AI-native infrastructure company working across climate, space, and research domains. Sharing this here first because we’re looking for the most relevant feedback. climval is a typed Python libr…

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## [Call for presenters for the Spring 2026 Pangeo Showcase!](https://discourse.pangeo.io/t/call-for-presenters-for-the-spring-2026-pangeo-showcase/5500)

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**Author:** [@chuckwondo](https://discourse.pangeo.io/u/chuckwondo)\
**Replies:** 3\
**Last updated:** [February 23, 2026, 2:09pm UTC](https://discourse.pangeo.io/t/call-for-presenters-for-the-spring-2026-pangeo-showcase/5500 "2026-02-23T14:09:46Z")

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Hi folks! Get ready for the Spring 2026 Pangeo Showcase Series! I’m helping our intrepid host @maxrjones organize the series this year. If you have suggestions for topics and/or presenters, please contact me directly vi…

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## [Community Notebook Competition - Sentinel data in Zarr](https://discourse.pangeo.io/t/community-notebook-competition-sentinel-data-in-zarr/5510)

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**Author:** [@Sabrina](https://discourse.pangeo.io/u/Sabrina)\
**Replies:** 4\
**Last updated:** [February 21, 2026, 10:45am UTC](https://discourse.pangeo.io/t/community-notebook-competition-sentinel-data-in-zarr/5510 "2026-02-21T10:45:42Z")

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Dear PANGEO community, ESA is planning to distribute Sentinel data in Zarr format in the future and wants to give users a chance to try it out first. Here’s how you can participate: Community Notebook Competition Wri…

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## [Live Browsing Sentinel Zarr - EOPF Explorer Launch Webinar (9 March) - GeoZarr Conventions for Sentinels](https://discourse.pangeo.io/t/live-browsing-sentinel-zarr-eopf-explorer-launch-webinar-9-march-geozarr-conventions-for-sentinels/5515)

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**Author:** [@j08lue](https://discourse.pangeo.io/u/j08lue)\
**Replies:** 1\
**Last updated:** [February 18, 2026, 1:58pm UTC](https://discourse.pangeo.io/t/live-browsing-sentinel-zarr-eopf-explorer-launch-webinar-9-march-geozarr-conventions-for-sentinels/5515 "2026-02-18T13:58:55Z")

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Dear PANGEO Community, You’ve probably heard about EOPF before, ESA’s upcoming cloud-native product format for all Sentinel data. What’s new: ESA tasked us (DevSeed, EOX, thriveGEO and partners) to devise a visualisati…

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## [Register for Project Pythia's 2026 Cookbook Cook-off!](https://discourse.pangeo.io/t/register-for-project-pythias-2026-cookbook-cook-off/5501)

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**Author:** [@jukent](https://discourse.pangeo.io/u/jukent)\
**Replies:** 0\
**Last updated:** [February 10, 2026, 8:03pm UTC](https://discourse.pangeo.io/t/register-for-project-pythias-2026-cookbook-cook-off/5501 "2026-02-10T20:03:50Z")

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Registration is open for the 2026 Pythia Cook-off! Register at Pythia Cook-off 2026 Registration is now open for the 2026 Pythia Cook-off, a U.S. National Science Foundation–funded hackathon dedicated to the development…

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## [Ocean Sciences Meeting 2026 - Sessions of interest to the Pangeo community, and those attending](https://discourse.pangeo.io/t/ocean-sciences-meeting-2026-sessions-of-interest-to-the-pangeo-community-and-those-attending/5499)

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**Author:** [@NickHodgskin](https://discourse.pangeo.io/u/NickHodgskin)\
**Replies:** 0\
**Last updated:** [February 4, 2026, 8:57am UTC](https://discourse.pangeo.io/t/ocean-sciences-meeting-2026-sessions-of-interest-to-the-pangeo-community-and-those-attending/5499 "2026-02-04T08:57:54Z")

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Hey all. Ocean Sciences 2026 is coming up end of Feb in Glasgow. I thought I’d start a thread here for people to share sessions that could be of particular interest to the Pangeo community. Also drop a line if you’re pl…

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## [Singapore Weather Services is hiring Software Engineering Managers](https://discourse.pangeo.io/t/singapore-weather-services-is-hiring-software-engineering-managers/5496)

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**Author:** [@Julius](https://discourse.pangeo.io/u/Julius)\
**Replies:** 0\
**Last updated:** [February 2, 2026, 12:32pm UTC](https://discourse.pangeo.io/t/singapore-weather-services-is-hiring-software-engineering-managers/5496 "2026-02-02T12:32:31Z")

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Hi, We’re looking for experienced Staff Software Engineers and Software Engineering Managers to join our team and contribute to our Weather Analysis, Forecasting, and Climate Research systems. If you’re interested, ple…

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