Table D sequence for reporting marine observations from unmanned surface vehicles #8
Comments
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Hi Enrico, I think this is in the wrong project and is a duplicate of #6. Cheers, Dave. |
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@DavidBerryNOC absolutely correct. I need to get used to the multiple repos |
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@DavidBerryNOC it's in the correct place now! |
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As part of the validation process the sequence has been modified, the revised proposal can be found below. As part of this name has been changed from unmanned surface vehicles to autonomous surface vehicles. PROPOSAL
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Table D sequence for reporting marine observations from unmanned surface vehicles #8
Table D sequence for reporting marine observations from unmanned surface vehicles #8
Table D sequence for reporting marine observations from unmanned surface vehicles #8
Table D sequence for reporting marine observations from unmanned surface vehicles #8
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@DavidBerryNOC Hi, David, I have already created the branch for this issue, could you please check it and review the table with new entries? Thanks. |
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The addition to Table D (based on the merged file) is correct and I am able to use it in my decoding software and example file. I'll upload samples shortly. |
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Sample files (NetCDF, BUFR and decoded text) plus encoding software can be found at |
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Successfully decoded both sample files provided. |
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Thanks @marijanacrepulja. With exception of truncation of decimal places for location elements and blank padding of strings in decoded output the output is identical to that expected. Comparison of expected vs ecCodes given in attached files. I've added the validated label as I believe this is now complete. |
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@DavidBerryNOC I was also able to read your saildrone-gen_5-tpos_pmel_2019_003-sd1066-20190717T120000-20190717T135959-1_minutes-v1.1563373962076.bufr using the NCEP BUFRLIB software, and a spot-check of the first 5 subsets agreed with the decoded values shown in your sample output listing. |
chenxiaoxia2019
moved this from In validation
to Ready for Submission to NFP
in BUFR4 (old)
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SUMMARY: Add entries to Table D Category 15. |
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Approved by FT 2020-2. |
Branch
https://github.com/wmo-im/BUFR4/tree/issue-8
Summary and purpose
New sequence for the reporting of met-ocean observations from unmanned surface vehicles.
Action proposed
The meeting is requested to review and approve the contents of this proposal for validation status.
Discussions
Observations from unmanned, or autonomous, surface vehicles are currently converted to BUFR and inserted on to the GTS using the sequence for drifting buoys (315009). However, this sequence is inadequate for the full range of observable parameters and sensors on the surface vehicles. Additionally, the use of the incorrect template leads the observations being mis-attributed to drifting buoys, resulting in the location and platform motion being incorrectly flagged by quality control / assurance systems. The sequence proposed in this document seeks to address these issues.
Dr David Berry, representative from Joint WMO-IOC Technical Commission for Oceanography and Marine Meteorology (JCOMM), proposed a Table D sequence to address these issues as in the Annex to this paragraph.
Dr Berry hoped the proposal would be validated by November 2019 and operational by FT2020-1. ECMWF, NOAA/NWS and DWD will assist the validation.
Detailed proposal
Add new entry to BUFR Table D
Category 15 – Oceanographic report sequences
Expanded proposed sequence 315011
Met-ocean observations from unmanned surface vehicles
Reference document: https://wmoomm.sharepoint.com/:w:/s/wmocpdb/EbjXX95DCrJDn838EdH98a0BWvJkCaMNKG37ocLadRcIVw?e=v1AtKi
Reference meeting: https://community.wmo.int/activity-areas/wmo-codes/meetings/ipet-cm-iii
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