◐ Shell
clean mode source ↗

European Centre for Medium-Range Weather Forecasts

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

Pinned Loading

  1. Python tools to work with weather and climate data

    Python 240 15

  2. ECMWF's GRIB and BUFR decoding/encoding library

    C++ 258 105

  3. A package to download ECMWF open data

    Python 323 52

  4. ECMWF's workflow manager

    C++ 62 18

  5. Core packages for Anemoi.

    Python 142 100

Repositories

Showing 10 of 159 repositories

  • open-ecpds Public

    OpenECPDS boosts the efficiency and productivity of data services by using proven and innovative technologies. It offers a portable, adaptable application for diverse environments, with a user-friendly tool for managing data acquisition, dissemination with push/pull mechanisms, and a notification system, all using standard protocols.

    ecmwf/open-ecpds’s past year of commit activity

    Java

    8

    Apache-2.0

    2 0 0

    Updated Jun 20, 2026

  • ecmwf/anemoi-core’s past year of commit activity

  • eckit Public

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

    ecmwf/eckit’s past year of commit activity

    C++

    29

    Apache-2.0

    27 3 9

    Updated Jun 19, 2026

  • ecmwf/polytope-chart’s past year of commit activity

    0 Apache-2.0

    2 0 3

    Updated Jun 19, 2026

  • thermofeel Public

    thermofeel is a library to calculate human thermal comfort indexes

    ecmwf/thermofeel’s past year of commit activity

    Python

    93

    Apache-2.0

    23 0 3

    Updated Jun 19, 2026

  • ecmwf/earthkit-meteo’s past year of commit activity

    Python

    13

    Apache-2.0

    7 7 8

    Updated Jun 19, 2026

  • ecmwf/WeatherGenerator’s past year of commit activity

  • ecmwf/polytope-server’s past year of commit activity

    Python

    8

    Apache-2.0

    4 7 4

    Updated Jun 19, 2026

  • fdb Public

    Fdb is a domain-specific object store for meteorological objects

    ecmwf/fdb’s past year of commit activity

    C++

    43

    Apache-2.0

    15 18 15

    Updated Jun 19, 2026

  • ecmwf/anemoi-plugins-ecmwf’s past year of commit activity

    Python 0 Apache-2.0 0

    1 2

    Updated Jun 19, 2026