Repositories list

• CMEW

  Public

  MetOffice/CMEW’s past year of commit activity
  The Climate Model Evaluation Workflow (CMEW) is a Cylc 8 workflow that is used to evaluate climate models for all Earth System Model (ESM) components.

  workflowclimateevaluation+ 5

  workflowclimateevaluationassessmentroseesmesmvaltoolcylc

  Python

  •

  Other

  •33 forks•55 stars•113113 issues•99 pull requests•Updated Sep 11, 2026Sep 11, 2026

• CSET

  Public

  MetOffice/CSET’s past year of commit activity
  Toolkit for evaluation of weather and climate models.

  Python

  •

  Apache License 2.0

  •1919 forks•3333 stars•298298 issues•3939 pull requests•Updated Sep 11, 2026Sep 11, 2026

• aerosol_evaluation_toolkit

  Public

  MetOffice/aerosol_evaluation_toolkit’s past year of commit activity
  Climate-scale aerosol evaluation toolkit for Met Office model output at monthly mean resolution

  Python

  •

  Other

  •33 forks•11 star•00 issues•11 pull request•Updated Sep 11, 2026Sep 11, 2026

• embcca-unseen

  Public

  MetOffice/embcca-unseen’s past year of commit activity
  Code for EMBCCA-UNSEEN multivariate bias correction (UNSEEN approach, Hunan case study, DePreSys4 + ERA5-Land)

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •22 forks•00 stars•00 issues•11 pull request•Updated Sep 11, 2026Sep 11, 2026

• CDDS

  Public

  MetOffice/CDDS’s past year of commit activity
  The Climate Data Dissemination System (CDDS)

  Python

  •

  Other

  •77 forks•88 stars•184184 issues•33 pull requests•Updated Sep 11, 2026Sep 11, 2026

• ukca

  Public
  United Kingdom Chemistry and Aerosols

  Fortran

  •

  BSD 3-Clause "New" or "Revised" License

  •3838 forks•1111 stars•66 issues•44 pull requests•Updated Sep 11, 2026Sep 11, 2026

• LFRic-Atmosphere-Training

  Public
  Self-learning training material for the LFRic Atmosphere model.

  trainingmeteorologyatmospheric-modelling+ 4

  trainingmeteorologyatmospheric-modellingmomentumlfricmomentum-unified-earth-environment-predictionmomentumpartnership

  Jupyter Notebook

  •

  Other

  •66 forks•1111 stars•2323 issues•33 pull requests•Updated Sep 11, 2026Sep 11, 2026

• lfric_apps

  Public
  LFRic Applications

  Fortran

  •

  BSD 3-Clause "New" or "Revised" License

  •116116 forks•3131 stars•198198 issues•9797 pull requests•Updated Sep 11, 2026Sep 11, 2026

• growss

  Public

  MetOffice/growss’s past year of commit activity
  :recycle: Simulation Systems Reusable Workflows

  BSD 3-Clause "New" or "Revised" License

  •88 forks•22 stars•44 issues•55 pull requests•Updated Sep 10, 2026Sep 10, 2026

• SimSys_Scripts

  Public

  MetOffice/SimSys_Scripts’s past year of commit activity
  Development support scripts for Simulation Systems deployment

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •1919 forks•99 stars•1515 issues•88 pull requests•Updated Sep 10, 2026Sep 10, 2026

• jules

  Public

  MetOffice/jules’s past year of commit activity
  The Joint UK Land Environment Simulator

  Fortran

  •

  BSD 3-Clause "New" or "Revised" License

  •3434 forks•2222 stars•5353 issues•1919 pull requests•Updated Sep 10, 2026Sep 10, 2026

• lfric_core

  Public
  LFRic Infrastructure

  Fortran

  •

  BSD 3-Clause "New" or "Revised" License

  •7373 forks•2626 stars•100100 issues•2727 pull requests•Updated Sep 9, 2026Sep 9, 2026

• mule

  Public
  Python packages providing an interface to the various files used and produced by the Met Office Unified Model (UM)

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •88 forks•55 stars•66 issues•22 pull requests•Updated Sep 9, 2026Sep 9, 2026

• opsinputs

  Public
  JEDI library generating VarObs and Cx files

  jedi

  jedi

  Fortran

  •

  BSD 3-Clause "New" or "Revised" License

  •22 forks•44 stars•33 issues•22 pull requests•Updated Sep 9, 2026Sep 9, 2026

• ANTS

  Public
  A Python library for generating UM ancillary files, developed at the Met Office

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •1010 forks•77 stars•8080 issues•44 pull requests•Updated Sep 8, 2026Sep 8, 2026

• data_science_cop

  Public
  A repository to put example and tutorial material created through the Met Office Data Science Community of Practice

  pythondata-sciencemachine-learning+ 5

  pythondata-sciencemachine-learningtutorialtensorflowjupyter-notebookpytorchazureml

  Jupyter Notebook

  •1010 forks•2626 stars•1313 issues•66 pull requests•Updated Sep 8, 2026Sep 8, 2026

• orca-jedi

  Public
  Light JEDI interface for NEMO model field files

  jedi

  jedi

  C++

  •

  BSD 3-Clause "New" or "Revised" License

  •44 forks•33 stars•99 issues•44 pull requests•Updated Sep 8, 2026Sep 8, 2026

• gosi-gitlab-mirror

  Public
  Push mirror target for https://forge.nemo-ocean.eu/devs/ukmo/gosi/gosi

  Fortran

  •

  Other

  •22 forks•00 stars•00 issues•00 pull requests•Updated Sep 8, 2026Sep 8, 2026

• fab

  Public
  Flexible build system for scientific software

  build

  build

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •99 forks•99 stars•7575 issues•88 pull requests•Updated Sep 8, 2026Sep 8, 2026

• localTables-GRIB-BUFR

  Public
  management of local tables for WMO GRIB and BUFR formats

  Python

  •77 forks•33 stars•11 issue•11 pull request•Updated Sep 7, 2026Sep 7, 2026

• gosi9esm-gitlab-mirror

  Public
  Push mirror target for https://forge.nemo-ocean.eu/devs/ukmo/gosi/gosi9esm

  Fortran

  •

  Other

  •00 forks•00 stars•00 issues•00 pull requests•Updated Sep 4, 2026Sep 4, 2026

• dagrunner

  Public
  Scheduler-agnostic DAG execution through decoupled graph definition and orchestration.

  pythonschedulerdag

  pythonschedulerdag

  Python

  •

  BSD 3-Clause "New" or "Revised" License

  •66 forks•55 stars•1818 issues•33 pull requests•Updated Sep 4, 2026Sep 4, 2026

• Momentum

  Public
  Momentum Governance Documents

  momentum

  momentum

  BSD 3-Clause "New" or "Revised" License

  •33 forks•00 stars•00 issues•00 pull requests•Updated Sep 3, 2026Sep 3, 2026

• ProFSea-tool

  Public
  The ProFSea tool provides global and regional sea-level projections.

  sea-level

  sea-level

  Python

  •

  Other

  •1111 forks•66 stars•1818 issues•11 pull request•Updated Sep 3, 2026Sep 3, 2026

• ai4c_hackathon

  Public
  Material for the AI4Climate tutorial and hackathon event in South Africa

  pythondata-sciencemachine-learning+ 6

  pythondata-sciencemachine-learningclimatesklearnjupyter-notebookpytorchjasminml-training

  Jupyter Notebook

  •

  BSD 3-Clause "New" or "Revised" License

  •33 forks•22 stars•1010 issues•22 pull requests•Updated Sep 2, 2026Sep 2, 2026

• pyearthtools_jasmin

  Public
  Code for PyEarthTools site archive on JASMIN compute and data facility

  pythondata-sciencemachine-learning+ 3

  pythondata-sciencemachine-learningpytorchxarraypyearthtools

  Jupyter Notebook

  •

  BSD 3-Clause "New" or "Revised" License

  •44 forks•00 stars•4646 issues•00 pull requests•Updated Sep 2, 2026Sep 2, 2026

• advent-of-code

  Public
  A location to store our attempts at Advent of Code! https://adventofcode.com/

  Python

  •33 forks•66 stars•00 issues•00 pull requests•Updated Sep 1, 2026Sep 1, 2026

• nemo-feedback

  Public
  JEDI UFO filter for writing NEMO ocean model NetCDF feedback file format data from the UK Met Office.

  jedi

  jedi

  C++

  •

  BSD 3-Clause "New" or "Revised" License

  •11 fork•11 star•22 issues•22 pull requests•Updated Sep 1, 2026Sep 1, 2026

• Vernier

  Public
  A calliper based profiler for scientific code on HPC platforms.

  profiler

  profiler

  C++

  •

  BSD 3-Clause "New" or "Revised" License

  •1111 forks•66 stars•3333 issues•33 pull requests•Updated Aug 26, 2026Aug 26, 2026

• fastnet-inference

  Public
  A package to run the FastNet AI model for global weather forecasts.

  Python

  •

  GNU Affero General Public License v3.0

  •44 forks•44 stars•00 issues•1010 pull requests•Updated Aug 24, 2026Aug 24, 2026