CF Conventions Community Workshop 2026

This page records the main information for the 2026 CF Conventions Community Workshop for the CF Conventions meeting archive. The official event and registration pages are hosted by ECMWF and the Copernicus Climate Change Service.

Overview

The 2026 CF Conventions Community Workshop is a scientific and technical workshop for the international community working with Climate and Forecast (CF) metadata conventions, environmental data standards, and interoperable data systems.

The workshop is designed to bring together researchers, developers, data engineers, infrastructure specialists, CF contributors, and users of CF-compliant datasets. The meeting will combine plenary sessions, invited and contributed talks, thematic discussions, breakout sessions, and hands-on hackathons.

The workshop is co-hosted by:

Objectives

The workshop aims to support collaboration across the CF community, contribute to the evolution and adoption of CF metadata standards, and make practical progress on CF-compliant data and tools.

Themes highlighted for the 2026 workshop include:

Additional topics and community suggestions are welcome through the programme discussion channels listed below.

Programme and contributions

The programme will combine presentations and collaborative sessions. Planned formats include plenary sessions, keynote and contributed presentations, lightning talks, thematic discussions, parallel breakout sessions, hackathons, and reporting-back sessions. A poster session may also be organised depending on interest and available space.

Community input is being collected through GitHub Discussions:

Participants wishing to propose a presentation, poster, breakout, or hackathon topic should use the relevant GitHub discussion. The published deadline for contributions is 17 August 2026.

A detailed agenda will be published closer to the event.

Participation and registration

The workshop will take place in hybrid format, with participation possible both on site in Bonn and online.

Participants are encouraged to register early. The published registration deadline is 14 September 2026.

Registration is handled through the ECMWF Events page:

Online participation links will be provided by the organisers in due course.

Venue

The in-person component of the workshop will be hosted at ECMWF in Bonn, Germany (ECMWF, Robert-Schuman-Platz 3, 53175 Bonn).

ECMWF’s Bonn premises provide conference and collaboration facilities suitable for hybrid participation. The venue is accessible by public transport; the Copernicus event page notes that participants can travel from Bonn Central Station using underground line 66 towards Ramersdorf, alighting at Robert-Schuman-Platz.

Further local travel information is available from ECMWF:

Accommodation

The Copernicus event page lists several accommodation options in Bonn, including hotels in the city centre with public transport links and options within walking distance of ECMWF.

Participants should consult the official event pages for the most up-to-date accommodation and travel advice.

Code of conduct and contact

The event is subject to the code of conduct published by the organisers on the official event pages. Participants are expected to behave professionally and respectfully and to help maintain a safe and inclusive environment.

For event-related questions, the published contact address is:

Archival notes

This page is intended as a CF-maintained archival and curation record for the 2026 workshop. The operational event information, registration form, programme updates, participation links, travel information, and code of conduct are maintained on the official ECMWF and Copernicus event pages.

Sources checked on 30 June 2026:

Draft Agenda

Day 1 - Monday, 21 September 2026

Local Time (Bonn) Room Session Presenter/Chair
13:00 Main Arrivals and coffee  
14:00 Main Welcome and Overview of meeting structure TBD
14:10 Main Introduction to CF Jonathan Gregory
    CF Governance Processes Ethan Davis
    What will be in CF 1.14 Sadie Bartholomew
15:00 Main Coffee break / screen break  
15:30 Main Standard names / Vocabularies Alison Pamment
16:00 Main Introduction to today’s breakout sessions  
16:10   Breakouts / Hackathons  
  Room? CF Profiles, work through with Satellite Swath data Ethan Davis
  Room? Data standards for oil spill models Chris Barker (confirmed)
17:30   Adjourn  
19:00? TBD Workshop dinner  

Day 2 - Tuesday, 22 September 2026

Local Time (Bonn) Room Session Presenter/Chair
09:00 Main Coffee and welcome  
09:30 Main Uncertainty metadata in CF David Hassell, Sam Hunt
10:00 Main Units of measure in CF and elsewhere Lars Bärring
10:30 Main Coffee break / screen break  
11:00 Main Introduction to today’s breakout sessions  
11:10   Breakouts / Hackathons  
  Room? Uncertainty David Hassell
  Room? BCP 14 Sadie Bartholomew
12:30   Lunch break  
14:00 Main CF, GRIB and BUFR Sébastien Villaume and Pawel Wolff
14:30 Main Implementing CF semantics in BUFR Marijana Crepulja (confirmed)
15:00 Main Coffee break / screen break  
15:30 Main World Meteorological Organization CF-NetCDF profiles and governance David I. Berry, Kevin O’Brien, Bibraj Raj, ??more authors?
16:00 Main GeoZarr and CF Max Jones (TBC)
16:30 Main Implementing CF semantics in Zarr Patrick van Laake
17:00 Main Discussion of mappings  
17:30   Adjourn  

Day 3 - Wednesday, 23 September 2026

Local Time (Bonn) Room Session Presenter/Chair
09:00 Main Coffee and welcome  
09:30 Main Introduction to today’s breakout sessions  
09:40   Breakouts / Hackathons  
  Room? Housekeeping ??
  Room? Standard names for chemical species Lorea Garcia San Martin
10:30 Main Coffee break / screen break  
11:00 Main Copernicus Chris Goddard (Has this been confirmed???)
11:30 Main Plenary - open time slot!!!!  
12:00 Main CMIP and CORDEX interactions and use of CF Conventions Paul Smith (CMIP IPO)
12:30   Lunch break  
14:00 Main WMO Cloud-optimized future data infrastructure Jeremy Tandy
14:30 Main Plenary - open time slot!!!!  
15:00 Main Coffee break / screen break  
15:30 Main CF Checkers Filipe P. A. Fernandes + Sadie Bartholomew
16:00 Main Introduction to today’s breakout sessions  
16:10   Breakouts / Hackathons  
  Room? Separating CF semantics from netCDF encoding Patrick van Laake
  Room? Support localization of attribute/variable values Erin Turnbull & ???
17:30   Adjourn  

Day 4 - Thursday, 24 September 2026

Local Time (Bonn) Room Session Presenter/Chair
09:00 Main Coffee and welcome  
09:30 Main Breakout reports  
10:30 Main Coffee break / screen break  
11:00 Main Wrap-up and Meeting Conclusions  
12:30   Adjourn and Lunch