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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 322 21

  2. eccodes eccodes Public

    ECMWF's GRIB and BUFR decoding/encoding library

    C++ 274 112

  3. ecmwf-opendata ecmwf-opendata Public

    A package to download ECMWF open data

    Python 341 54

  4. ecflow ecflow Public

    ECMWF's workflow manager

    C++ 65 25

  5. anemoi-core anemoi-core Public

    Core packages for Anemoi.

    Python 172 126

Repositories

Showing 10 of 174 repositories
  • ecmwf/polytope-server's past year of commit activity
    Rust 9 Apache-2.0 5 12 6 Updated Oct 30, 2026
  • fdb Public

    Fdb is a domain-specific object store for meteorological objects

    ecmwf/fdb's past year of commit activity
    C++ 44 Apache-2.0 17 13 19 Updated Oct 30, 2026
  • anemoi Public
    ecmwf/anemoi's past year of commit activity
    Python 154 Apache-2.0 23 15 3 Updated Oct 30, 2026
  • ci-infrastructure Public

    This repository contains the necessary python scripts, github actions, and docker images to orchestrate the CI at ECMWF. It is responsible for the caching and reuse of artifacts or triggering a downstream job.

    ecmwf/ci-infrastructure's past year of commit activity
    Python 0 Apache-2.0 0 14 3 Updated Oct 30, 2026
  • earthkit-data Public

    A format-agnostic Python interface for geospatial data

    Python 123 Apache-2.0 37 60 17 Updated Oct 30, 2026
  • polytope Public

    A library for extracting polytope "features" from datacubes

    ecmwf/polytope's past year of commit activity
    Python 49 Apache-2.0 10 6 20 Updated Oct 30, 2026
  • bobs Public

    Big Object Buffered Streaming

    ecmwf/bobs's past year of commit activity
    Rust 0 Apache-2.0 0 0 7 Updated Oct 30, 2026
  • eckit Public

    A C++ toolkit that supports development of tools and applications at ECMWF.

    ecmwf/eckit's past year of commit activity
    C++ 31 Apache-2.0 28 7 17 Updated Oct 30, 2026
  • WeatherGenerator Public

    The repository of the WeatherGenerator project

    ecmwf/WeatherGenerator's past year of commit activity
    Python 148 Apache-2.0 79 485 (9 issues need help) 174 Updated Oct 30, 2026
  • qubed Public

    A data structure for efficiently representing and querying complex-tree datacubes.

    ecmwf/qubed's past year of commit activity
    Rust 14 Apache-2.0 1 8 9 Updated Oct 30, 2026