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Teleconference 3 and 4.11.2020
Anna Milan edited this page Nov 5, 2020
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- The team met 12-14 UTC, Nov. 3 and 10:30-11:45 UTC, Nov. 4.
- The team will meet 12-14 UTC, Dec. 9 and 10 to finalize proposals for FT2021-1 and discuss outstanding issues.
- When proposals are put in validation status, the Secretariat makes a new branch for each proposal (issue).
- Team members who make proposals are responsible for changing the branch to reflect the proposals and for making necessary updates through the validation process.
- The team does not use "pull request."
- The team decided to test a "validation branch" in FT2021-1 and see if it works. The Secretariat will merge all the branches of proposals that are ready for validation and adoption by FT2021-1 by November 26 into one branch (a "validation branch"), so that team members can use it for validation of multiple proposals.
- The team will review the process using a "validation branch" and modify/discontinue as necessary; the team needs to pay attention to the cases where validation takes long time and does not go to the next Fast Track.
- See wiki page on WIS-IM Workflow
| No. | GRIB2 | Issue | Link | Assignee | Status |
|---|---|---|---|---|---|
| 1. | Issue 53 | New Product Definition Templates to generalize the percentiles (100-quantiles) forecast Templates to any q-quantiles | https://github.com/wmo-im/GRIB2/issues/53 | Sébastien | in validation, branch will be created |
| 2. | Issue 54 | Add potential evapotranspiration rate in Code Table 4.2, product discipline 2, category 0 | https://github.com/wmo-im/GRIB2/issues/54 | Sébastien | in validation, branch will be created |
| 3. | Issue 56 | Add "first guess" and "difference between First guess and Analysis" | https://github.com/wmo-im/GRIB2/issues/56 | Sébastien | in validation, discuss with DWD about the sign of difference (adding two entries is also an option) and the meaning of "initialized analysis," branch will be created when ready |
| 4. | Issue 57 | Add new parameters for ocean modelling in Code table 4.2 Discipline 10a | https://github.com/wmo-im/GRIB2/issues/57 | Sébastien | in validation, branch will be created, entry numbers should be shifted down by 2 in Code table 4.2 Discipline 10, category 4 |
| 5. | Issue 58 | Add new temperatures in Code table 4.2 | https://github.com/wmo-im/GRIB2/issues/58 | Sébastien | in validation, branch will be created |
| 6. | Issue 59 | Add new entries in Code Table 4.2, product discipline 0, category 1 (moisture) | https://github.com/wmo-im/GRIB2/issues/59 | Sibylle | in validation, discuss with ECMWF about the definition of "cloud ice precipitation," branch will be created |
| 7. | Issue 11 | A product definition template for statistics over an ensemble | https://github.com/wmo-im/GRIB2/issues/11 | Tom | kept in validation status, not going to FT2021-1 |
| 8. | Issue 32 | Ocean Wave Table 4.2 additions | https://github.com/wmo-im/GRIB2/issues/32 | Tom | in validation, branch will be created |
| 9. | Issue 10 | Representing gnomonic grids | https://github.com/wmo-im/GRIB2/issues/10 | Jeff | kept in validation status, not going to FT2021-1 |
| 10. | Issue 6 | Composite local time in GRIB message | https://github.com/wmo-im/GRIB2/issues/6 | Sébastien | proposal will be submitted, will try to make it to FT2021-1 |
| No. | BUFR4 | Issue | Link | Assignee | Status |
|---|---|---|---|---|---|
| 1. | Issue 51 | BUFR sequence for DAYCLI | https://github.com/wmo-im/BUFR4/issues/51 | Denis (ET-DRC) | target FT2021-2, discussion summarized below |
| 2. | Issue 21 | Revision of E-Profile Sequences | https://github.com/wmo-im/BUFR4/issues/21 | Richard | in validation, branch created and updated, Marijana will confirm the validation result |
| 3. | Issue 16 | New Table D sequence for reporting observations from ocean gliders | https://github.com/wmo-im/BUFR4/issues/16 | David | in validation, samples provided, Marijana and Marian will support validation |
| 4. | Issue 17 | Table D sequence for reporting trajectory profile data from marine animal tags | https://github.com/wmo-im/BUFR4/issues/17 | David | validation completed, will be in FT2021-1, seek pre-operational status |
| 5. | Issue 18 | New Sequence and descriptors for GNSS Slant Total Delay BUFR | https://github.com/wmo-im/BUFR4/issues/18 | Sibylle | in validation, samples provided, Jeff, Marijana and Sergio will support validation |
| 6. | Issue 5 | Additional bio-geochemical sequences for data from Argo profiling floats | https://github.com/wmo-im/BUFR4/issues/5 | David | in validation, samples required |
BUFR sequence for DAYCLI (Issue 51)
- Denis presented issues of existing DAYCLI sequence (3 07 074) identified by ET-DRC (posted to Github).
- Among the issues, Assisting will be taken care of by the Secretariat and Monitoring by ET-OM/TT-WDQMS, and TT-TDCF focuses on BUFR format.
- Sergio will assist Denis to resolve BUFR questions and make initial suggestions for a new BUFR sequence, which will be developed based on the existing DAYCLI sequence (3 07 074).
- The team advised Denis to include WIGOS Station Identifiers and to research existing entries for snow definitions.
- The Secretariat will assist Denis to identify relevant experts in climate community to consult on DAYCLI requirements, including those of NCEI, USA.
- Denis and the team agreed that the realistic schedule would be the adoption by FT2021-2 (the sequence will be operational in November 2021) to secure the time for discussion within ET-DRC and for consultation with a broader climate community.
- Denis shared the workflow chart to clarify responsibilities of relevant teams (ET-DRC, ET-OM, TT-WDQMS, TT-TDCF, etc.).
WIGOS Station Identifier (Issue 50)
- A kick-off meeting was held on October 28 among SC-IMT/ET-OM/TT-WSI, SC-IMT/ET-Data/TT-TDCF and SC-ON/ET-WT.
- TT-TDCF needs to propose necessary amendments for Manual on Coders to INFCOM-1 (part III) meeting planned in February 2021.
- Regarding the communication channel with satellite operators, CGMS Task Force can be used but it takes a while because its meeting is planned May-June 2021.
- A concern was expressed around the use of WSI for satellites, because there are multiple existing satellite identifiers and WSI could introduce complication if WSI is used before NWP centers are ready.
- The requirement of the use of WSI for satellites comes from users, not from satellite operators, to enable to integrate satellites into a broader WIGOS context.
- The team will continue discussion on Github.
| No. | CCT | Issue | Link | Assignee | Status |
|---|---|---|---|---|---|
| 1. | Issue 22 | Maupuia is misspelled in Table C-12 | https://github.com/wmo-im/CCT/issues/22 | Anna | in validation, branch will be created |
| 2. | Issue 24 | Additions to Common Code Table C-3 Instrument make and type for water temperature profile measurements | https://github.com/wmo-im/CCT/issues/24 | David | in validation, branch will be created |
| 3. | Issue 26 | Add new entry to Common Code Table C-5 to identify HY-2C satellite of China | https://github.com/wmo-im/CCT/issues/26 | Fang | in validation, branch will be created |
- The Secretariat sent out prerelease versions of BUFR and CCT for review.
- Some errors were found; The Secretariat will send out an updated version by the end of this week and will finalize by November 16.
- EUMETSAT will provide the Secretariat with information on possible support for conversion of GRIB tables as part of Vocabulary Manager.
- There is no progress at this moment.
- Jitsuko will update the team after a meeting with Met Office, Chair TT-AvData and the Secretariat.
- Opening and schedule
- Review of GRIB proposals.
- Review of BUFR proposals.
- Review of Common Code Tables proposals.
- Review of Issues related to publication of Manuals
- Next teleconference.
- AOBs
The team will review the following issues.
- New Product Definition Templates to generalize the percentiles (100-quantiles) forecast Templates to any q-quantiles
- Add Potential evapotranspiration rate in Code Table 4.2, product discipline 2, category 0
- Add "first guess" and "difference between First guess and Analysis"
- Add new parameters for ocean modelling in Code table 4.2 Discipline 10
- Add new temperatures in Code table 4.2
- Add new entries in Code Table 4.2, product discipline 0, category 1 (moisture)
- Revision of E-Profile Sequences
- New Table D sequence for reporting observations from ocean gliders
- Table D sequence for reporting trajectory profile data from marine animal tags
- New Sequence and descriptors for GNSS Slant Total Delay BUFR
- Regulate the use of WIGOS Station Identifiers
- Additional bio-geochemical sequences for data from Argo profiling floats
- Maupuia is misspelled in Table C-12
- Additions to Common Code Table C-3 Instrument make and type for water temperature profile measurements
- Add new entry to Common Code Table C-5 to identify HY-2C satellite of China
- Validate machine-readable legacy format
- add description column in the tables
- use of GRIB and BUFR registers in codes.wmo.int
| No. | Name | Agency | Nov. 3 | Nov. 4 |
|---|---|---|---|---|
| 1 | Jitsuko HASEGAWA | JMA | x | x |
| 2 | Enrico FUCILE | WMO Secretariat | x | |
| 3 | Abderrazak LEMKHENTER | Météo Maroc | x | |
| 4 | Fang ZHAO | CMA | x | x |
| 5 | Sergio Henrique Soares FERREIRA | National Institute for Space Research, Brazil | x | x |
| 6 | Tom KRALIDIS | Environment and Climate Change Canada | ||
| 7 | Jeffrey ATOR | NOAA | x | x |
| 8 | Sibylle KREBBER | DWD | x | x |
| 9 | Richard WEEDON | Met office | ||
| 10 | Sébastien VILLAUME | ECMWF | x | x |
| 11 | Marijana CREPULJA | ECMWF | x | x |
| 12 | Simon Stuart ELLIOTT | EUMETSAT | x | x |
| 13 | Marian MAJAN | HMEI | x | x |
| 14 | B. L. CHOY | HKO | x | |
| 15 | Denis STUBER | France, ET-DRC | x | |
| 16 | Anna MILAN | WMO Secretariat | x | x |
| 17 | Xiaoxia CHEN | WMO Secretariat | x |