Owner

NCAS-CMS

11 indexed repositories · View on GitHub

cf-python
A CF-compliant Earth Science data analysis library

Python · 150 stars
pyfive
A pure Python HDF5 file reader

Python · 104 stars
cfdm
A Python reference implementation of the CF data model

Python · 31 stars
cf-plot
Code-light plotting for earth science and aligned research

Python · 21 stars
cmip7_repack
Repack CMIP7 netCDF-4 datasets

Shell · 6 stars
PyActiveStorage
Python implementation of Active Storage

Python · 6 stars
xconv2

Python · 6 stars
xnetcdf
xnetcdf is a Python open source library for representing datasets, in a variety of formats and accessed through diverse Python backends, ...

Python · 3 stars
umfive
PP and field files reader of local and remote datasets with parallel data access and a pyfive-style API.

Python · 2 stars
canari-data
Documents relating to CANARI production runs

1 star
ncas-up-goer-five-definitions
National Centre for Atmospheric Science using only the thousand most common words

HTML · 0 stars

Beginner friendly Everything

Open All

Conformance: UGRID check failure reporting missing attr Open

bug UGRID

NCAS-CMS/cfdm#432 · 1 assignee · Opened Sep 18, 2026
Deflect pop-up plot windows during testing Open

testing

Difficulty 3/5 1-2 days Newbie friendliness 58/100

NCAS-CMS/cf-plot#132 · Opened Sep 15, 2026
Apply `match/case` in `netcdf.cf_resolve_references` logic Open

code tidy/refactor

NCAS-CMS/cfdm#431 · 1 assignee · Opened Sep 11, 2026
`read`: case-insensitive `dataset_type` & `backend` specs Open

dataset read enhancement

Difficulty 3/5 1-2 days Newbie friendliness 68/100

NCAS-CMS/cfdm#430 · Opened Sep 11, 2026
Remove abandoned `cf.etc` directory Open

code tidy

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

NCAS-CMS/cf-python#969 · Opened Sep 10, 2026
Attempt at unsupported conservative 3D mesh regridding Open

bug?

NCAS-CMS/cf-python#968 · 1 assignee · Opened Sep 10, 2026
`to_xarray` for time coords beyond `np.datetime64[ns]` Open

bug?

NCAS-CMS/cfdm#429 · 1 assignee · Opened Sep 10, 2026
Incorrect size-1vertical dimension for some variables Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

NCAS-CMS/umfive#36 · 1 comment · Opened Sep 9, 2026
Add information about regional simulations Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

NCAS-CMS/canari-data#29 · 1 comment · Opened Sep 8, 2026
Release: migrate from deprecated build command Open

release

NCAS-CMS/cf-python#966 · 1 assignee · Opened Sep 8, 2026
Add `AGENTS.md` file Open

docs enhancement

Difficulty 3/5 1-2 days Newbie friendliness 64/100

NCAS-CMS/cf-plot#131 · Opened Sep 4, 2026
Support all pre-EOL Python versions Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NCAS-CMS/xnetcdf#12 · Opened Sep 1, 2026
Packaging and documentation inconsistencies RE dependencies Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

NCAS-CMS/xnetcdf#11 · Opened Aug 28, 2026
Remove support for Python 3.10 (EOL) Open

enhancement

NCAS-CMS/cf-python#964 · 1 reaction · 1 assignee · Opened Aug 26, 2026
Remove support for Python 3.10 (EOL) Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

NCAS-CMS/cfdm#427 · 1 reaction · Opened Aug 26, 2026
Activating pre-commit in GHA CI and pre-commit.ci in PRs Open

testing

Difficulty 3/5 1-2 days Newbie friendliness 48/100

NCAS-CMS/xnetcdf#7 · Opened Jul 23, 2026
error from netCDF in cf.write Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

NCAS-CMS/cf-python#960 · 10 comments · Opened Jul 23, 2026
Explicitly define public API with `__all__` Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NCAS-CMS/cfdm#412 · 1 reaction · Opened Jul 16, 2026
Explicitly define public API with `__all__` Open

API review (4.0.0) documentation

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NCAS-CMS/cf-python#958 · Opened Jul 16, 2026
Point and click time series? Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

NCAS-CMS/xconv2#85 · Opened Jul 16, 2026
Testing of to/from xarray Open

enhancement xarray

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NCAS-CMS/cf-python#956 · Opened Jul 15, 2026
Validate definitions (existing and new) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

NCAS-CMS/ncas-up-goer-five-definitions#1 · Opened Jul 8, 2026
conda-forge package Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 20/100

NCAS-CMS/umfive#20 · Opened Jul 8, 2026
repacked files not passing the check_cmip7_repack command Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

NCAS-CMS/cmip7_repack#39 · 7 comments · Opened Jul 3, 2026
Cache pyactive storage interaction Open

enhancement

NCAS-CMS/xconv2#77 · 1 assignee · Opened Jul 1, 2026
Use cfdm/cf-plot releases rather than branches when xnetcdf is in released versions Open

maintenance

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NCAS-CMS/xconv2#76 · Opened Jul 1, 2026
Enforce json arguments in the interface between gui and worker Open

maintenance

NCAS-CMS/xconv2#75 · 1 assignee · Opened Jul 1, 2026
Add animation hooks into cf-plot Open

enhancement

NCAS-CMS/cf-plot#127 · 1 comment · 1 assignee · Opened Jul 1, 2026
Add a menu item for rechunking Open

enhancement

NCAS-CMS/xconv2#70 · 1 assignee · Opened Jun 19, 2026
Ugly nemo plotting issue Open

bug v35plus

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NCAS-CMS/cf-plot#126 · 1 reaction · Opened Jun 19, 2026
datetime support not working for cf.Data made from a scalar Open

bug?

Difficulty 3/5 1-2 days Newbie friendliness 55/100

NCAS-CMS/cf-python#955 · 5 comments · Opened Jun 15, 2026
Docs: remove old orphaned pages e.g. 'Collapse FAQs' Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

NCAS-CMS/cf-python#953 · Opened Jun 11, 2026
Ensure test/example datasets are all CF compliant Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

NCAS-CMS/cf-plot#125 · 2 comments · Opened May 29, 2026
lfric_initial (used in testing) is an invalid unstructured grid file Open

v35plus

Difficulty 3/5 1-2 days Newbie friendliness 58/100

NCAS-CMS/cf-plot#124 · Opened May 28, 2026
Bug: Can't cf.read('https://psl.noaa.gov/thredds/fileServer/Datasets/gistemp/landmask_2deg.nc') Open

bug?

Difficulty 4/5 3-5 days Newbie friendliness 45/100

NCAS-CMS/cfdm#405 · Opened May 21, 2026
difference in check_dtype for vlen compared to h5py Open

question

NCAS-CMS/pyfive#228 · 13 comments · 2 assignees · Opened May 8, 2026
access to remote cache when remote is not available Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

NCAS-CMS/xconv2#53 · Opened Apr 28, 2026
Add animation support for maps Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

NCAS-CMS/xconv2#51 · Opened Apr 22, 2026
Can't select hybrid height variable in xconv2 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

NCAS-CMS/xconv2#50 · 4 comments · Opened Apr 20, 2026
mapset dialog Open

NCAS-CMS/xconv2#49 · 1 assignee · Opened Apr 18, 2026
Deployable as a standalone app, tested on at least one linux platform and on Apple Silicon. Open

Deployment enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

NCAS-CMS/xconv2#48 · 1 comment · Opened Apr 18, 2026
Add rotatable globe based on VTK Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

NCAS-CMS/xconv2#44 · Opened Apr 18, 2026
map set bugs Open

NCAS-CMS/xconv2#43 · 1 assignee · Opened Apr 17, 2026
Function to calculate trajectory DSG field path length Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 55/100

NCAS-CMS/cf-python#946 · Opened Apr 16, 2026
Converting from kerchunk to CFA: fix or document behaviour Open

aggregation kerchunk

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NCAS-CMS/cf-python#945 · Opened Apr 16, 2026
Datasets not truly independent from files on remote file systems. Open

question

Difficulty 5/5 Over a week Newbie friendliness 35/100

NCAS-CMS/pyfive#219 · 1 comment · Opened Apr 6, 2026
Policy for AI written code - please comment! Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

NCAS-CMS/pyfive#215 · 5 comments · Opened Apr 1, 2026
Policy for AI written code - please comment! Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

NCAS-CMS/xconv2#42 · 2 comments · 1 reaction · Opened Apr 1, 2026
Convert schema-like objects to dataclasses Open

code tidy

Difficulty 5/5 Over a week Newbie friendliness 35/100

NCAS-CMS/cf-python#943 · Opened Mar 26, 2026
Refactor semantic constants to enumerations Open

code tidy

Difficulty 5/5 Over a week Newbie friendliness 35/100

NCAS-CMS/cf-python#942 · Opened Mar 26, 2026

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