20.to.22.September.2023

Date/Time

9:00-9:15 Welcome (Marijana)
- - Review agenda
9:15-9:30 WMO updates (Anna)
- EC-76 and Cg-19 approvals
- Upcoming plans
~~9:30-10:00 **Evolution of codes and improvement of codes management~~**
10:00-10:15 coffee break
10:15-12:00 Evolution of codes and improvement of codes management
- Guidance and examples on reporting practices (Marijana)
- Publication of GRIB and BUFR tables on the WMO Codes Registry (Anna)
- ~~GitHub management improvements (e.g., Divide GRIB table 4.2 into multiple files) (all)~~
- Review of team best practices and interactions with WMO communities (all)
12-13:30 Lunch
13:30-15:00 Evolution and improvements (continued)
- GitHub management improvements (e.g., Divide GRIB table 4.2 into multiple files) (all)
- GRIB3 (Sebastien)
- BUFR5 (Jeff and Simon)
- Retirement of CREX (Sibylle)
- Round table report on plans or requirements for GRIB3 or BUFR5 and current usage of CREX
15:00-15:15 coffee break
15:15 – 17:00 Evolution and improvements (continued)
~~16:00-17:00~~ GitHub training (Anna) - to be moved to another time

9 – 10:30 Evolution and improvements (continued)
- Inclusion of other standards (e.g., GeoJSON) and on possible approaches for WMO endorsement of community standards (Anna)
- WMO applications related to or using GRIB and BUFR
- Discussion on guidance, GRIB3, BUFR5, CREX, or other standards (as needed)
10:30-10:45 coffee break
11 – 12: Evolution and improvements (wrap up)
- Next steps
12-13:30 Lunch
13:30-15:00 Proposals for amendments to GRIB and BUFR
- Review proposals in progress
- Present new draft proposals for GRIB, BUFR and CCT
15-15:15 Coffee break
15:15-17 Proposals for amendments to GRIB and BUFR (continued)
- 16:30 Code table 042017 new quality flags for wave spectra #166
19:00 team dinner

9 – 10:30 Proposals for amendments to GRIB and BUFR (continued)
10:30-10:45 coffee break / group photo
10:45-11:30 Proposals for amendments to GRIB and BUFR (wrap up)
11:30-12 WSIs (Jeff)
- for reference: https://github.com/wmo-im/BUFR4/issues/50
12-13:30 Lunch
13:30-14:15 WIS2
- Short WIS2 overview (Hassan)
- WIS2 support of GRIB/BUFR migration (Dave Berry)
14:15-15 TAC Migration
- Round table report on the status of migration from TAC to TDCF
15:00-15:15 coffee
15:15-17 Review and wrap up

Name	Attendance
Ms Marijana CREPULJA - Lead - (ECMWF)	Y
Mr Jeffrey ATOR - Member - (USA)	Y (remote)
Mr Jakub BEER (HMEI)	Y
Dr Simon Stuart ELLIOTT - Member - (EUMETSAT)	Y
Dr Sergio Henrique Soares FERREIRA - Member - (Brazil)	Y
Ms Sibylle KREBBER - Member - (Germany)	Y
Mr Abderrazak LEMKHENTER - Member - (Morocco)	Y
Mr Marian MAJAN - Member - (HMEI)	N
Mr Antoine MERLE (EUMETSAT)	Y
Mr Sebastien VILLAUME (ECMWF)	Y
Ms Lei XUE - Member - (China)	Y