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@ecmwf

European Centre for Medium-Range Weather Forecasts

Providing software to work with meteorological data and services

Welcome to ECMWF GitHub!

ECMWF is the European Centre for Medium-Range Weather Forecasts.

Have a look at some of our popular topics:

  • earthkit for weather and climate tools in Python
  • anemoi for developing machine learning weather forecasting models
  • ecflow for workflow management
  • mars for data handling software and services

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  1. earthkit earthkit Public

    Python tools to work with weather and climate data

    Python 183 10

  2. eccodes eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    C++ 246 97

  3. ecmwf-opendata ecmwf-opendata Public

    A package to download ECMWF open data

    Python 291 43

  4. ecflow ecflow Public

    ECMWF's workflow manager

    C++ 57 17

  5. anemoi-core anemoi-core Public

    Core packages for Anemoi.

    Python 105 78

Repositories

Showing 10 of 153 repositories
  • ecmwf/earthkit-meteo’s past year of commit activity
    Python 6 Apache-2.0 3 9 8 Updated Feb 2, 2026
  • anemoi-datasets Public

    Datasets for Machine Learning weather forecasting models

    ecmwf/anemoi-datasets’s past year of commit activity
    Python 62 Apache-2.0 54 70 (1 issue needs help) 11 Updated Feb 2, 2026
  • forecast-in-a-box Public

    Forecast-In-A-Box is a prototype system to integrate ECMWF ML Models and products into a self contained box

    ecmwf/forecast-in-a-box’s past year of commit activity
    Python 7 Apache-2.0 4 32 4 Updated Feb 2, 2026
  • earthkit-data Public

    A format-agnostic Python interface for geospatial data

    ecmwf/earthkit-data’s past year of commit activity
    Python 93 Apache-2.0 26 45 10 Updated Feb 2, 2026
  • WeatherGenerator Public

    The repository of the WeatherGenerator project

    ecmwf/WeatherGenerator’s past year of commit activity
    Python 99 Apache-2.0 51 274 (10 issues need help) 44 Updated Feb 2, 2026
  • fdb Public

    Fdb is a domain-specific object store for meteorological objects

    ecmwf/fdb’s past year of commit activity
    C++ 40 Apache-2.0 13 16 8 Updated Feb 2, 2026
  • anemoi-core Public

    Core packages for Anemoi.

    ecmwf/anemoi-core’s past year of commit activity
    Python 105 Apache-2.0 78 128 (7 issues need help) 38 Updated Feb 2, 2026
  • anemoi-inference Public

    Inference of Machine Learning weather forecasting models

    ecmwf/anemoi-inference’s past year of commit activity
    Python 34 Apache-2.0 28 13 (2 issues need help) 6 Updated Feb 2, 2026
  • ecmwf/earthkit-utils’s past year of commit activity
    Python 2 Apache-2.0 0 3 1 Updated Feb 2, 2026
  • ecmwf/reusable-workflows’s past year of commit activity
    Python 0 Apache-2.0 0 0 9 Updated Feb 1, 2026