ECMWF Summer of Weather Code 2021

ECMWF Summer of Weather Code is a collaborative programme where each summer several developer teams work on innovative weather-, climate- and atmosphere-related open-source software. ESoWC is organised by the European Centre for Medium-Range Weather Forecasts (ECMWF) and supported by Copernicus.

Upcoming: ESoWC 2021 mid-term webinars

Get to know the ESoWC 2021 teams and the projects they are working on. The nine ESoWC 2021 projects will be presented during two mid-term webinars:

• Thursday, 15 July 2021 | 11 am BST
• Thursday, 22 July 2021 | 11 am BST

Find the full agenda and registration details here.

ESoWC 2021 Projects

Congratulations to the nine teams that have been selected to be part of ECMWF Summer of Weather Code 2021:

Project title	Team	Mentors
Elefridge.jl: Compressing atmospheric data into its real information content	Milan Kloewer	Miha Razinger Juan-Jose Dominguez
ADC Toolbox: Comparing Atmospheric Composition Datasets	Alba Vilanova Cortezon	Miha Razinger Antje Inness Federico Fierli
ECMWF User Dashboard	Varun Bankar	Helen Setchell Carsten Maas Sylvie Lamy-Thepaut
AQ-BiasCorrection	Antonio Perez Velsco Mario Santa Cruz Lopez	Johannes Flemming Miha Razinger Jerome Barre
ML4Land: Using Earth's observation data, Climate reanalysis & Machine Learning to detect Earth's heating patterns	Het Shah Avishree Khare	Gianpaolo Balsamo Joe McNorton Gabriele Arduini Margarita Choulga Souhail Boussetta Nils Wedi Peter Dueben
MaLePoM: Machine Learning for Pollution Monitoring	Nicolo Brunello Vidur Mithal Paolo Fornoni Luca Rampini	Joe McNorton Nicolas Bousserez Gianpaolo Balsamo Anna Agusti-Panareda Mark Parrington
CliMetLab - Machine Learning on weather and climate data	Ashwin Samudre	Baudouin Raoult Florian Pinault
BlenderNC enhancements	Tishampati Dhar Gichini Ngaruiya Josue Martinez Moreno	Stephan Siemen Sylvie Lamy-Thepaut
Meeresvogel	Kathryn Schmitt	Stephan Siemen Iain Russell

Generous cloud computing ressources are provided by:

the Copernicus DIAS service WEkEO	European Weather Cloud

How it works

1. Application period: 1 Feb - 16 Apr 2021

Browse through the ESoWC 2021 challenges, ask questions and together with the mentors, tailor your proposal. Apply before 16 April 2021.

2. Announcement of selected proposals: 30 Apr 2021

The final ESoWC 2021 project teams were announced on 30 Apr 2021.

3. Coding period: 3 May - 31 Aug 2021

The 4-month long coding period started 3 May 2021 and lasts until 31 August 2021. During this time, the selected teams team up with experienced mentors and experts in weather, climate, atmosphere and machine-learning.
Follow the progress of the projects here on Github.

4. Final ESoWC day (virtual): 29 September 2021

The ESoWC day is the final day of the programme. Each team will be invited to this virtual event and present their project results.

Important links

• ESoWC Frequently Asked Questions
• ESoWC Terms & Conditions
• Follow ESoWC on Twitter, LinkedIn and YouTube
• Read a summary of ESoWC 2020 on the ECMWF Science Blog: ESoWC 2020 a driver of innovation
• ECMWF Newsletter: Summer of Weather Code in fourth round in 2021