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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 106 6

  2. eccodes eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    C++ 218 92

  3. ecmwf-opendata ecmwf-opendata Public

    A package to download ECMWF open data

    Python 229 35

  4. ecflow ecflow Public

    ECMWF's workflow manager

    C++ 46 15

  5. anemoi-core anemoi-core Public

    Core packages for Anemoi.

    Python 50 24

Repositories

Showing 10 of 142 repositories
  • ecmwf/anemoi-inference’s past year of commit activity
    Python 28 Apache-2.0 13 15 8 Updated Jun 10, 2025
  • earthkit-hydro Public

    A Python library for common hydrological functions

    ecmwf/earthkit-hydro’s past year of commit activity
    Python 10 Apache-2.0 1 16 8 Updated Jun 10, 2025
  • ecmwf/anemoi-datasets’s past year of commit activity
    Python 53 Apache-2.0 35 42 (1 issue needs help) 22 Updated Jun 10, 2025
  • ecmwf/forecast-in-a-box’s past year of commit activity
    TypeScript 2 Apache-2.0 1 8 2 Updated Jun 10, 2025
  • earthkit-data Public

    A format-agnostic Python interface for geospatial data

    ecmwf/earthkit-data’s past year of commit activity
    Python 70 Apache-2.0 20 39 8 Updated Jun 10, 2025
  • metkit Public

    Toolkit for manipulating and describing meteorological objects, implementing the MARS language and associated processing and semantics.

    ecmwf/metkit’s past year of commit activity
    C++ 6 Apache-2.0 9 1 1 Updated Jun 10, 2025
  • multio Public

    MultIO is a runtime-configurable multiplexer for Weather Model output of GRIB data

    ecmwf/multio’s past year of commit activity
    Fortran 9 Apache-2.0 16 3 2 Updated Jun 10, 2025
  • anemoi-core Public

    Core packages for Anemoi.

    ecmwf/anemoi-core’s past year of commit activity
    Python 50 Apache-2.0 24 75 (3 issues need help) 34 Updated Jun 10, 2025
  • fdb Public

    Fdb is a domain-specific object store for meteorological objects

    ecmwf/fdb’s past year of commit activity
    C++ 32 Apache-2.0 12 14 11 Updated Jun 10, 2025
  • polytope Public

    A library for extracting polytope "features" from datacubes

    ecmwf/polytope’s past year of commit activity
    Python 38 Apache-2.0 6 1 34 Updated Jun 10, 2025