IPET-CM-II

Second meeting of the INTER-PROGRAMME EXPERT TEAM ON CODES MAINTENANCE
(Offenbach, Germany, 28 May - 1 June 2018)
Contact points in the WMO Secretariat: Atsushi Shimazaki

 

Report of the meeting

Second meeting of the Inter-Programme Expert Team on Codes Maintenance (IPET-CM-II)
           Summary / Annex


Reference documents

Report of Past meetings
Procedures for amending WMO Manuals and Guides that are the responsibility of the Commission for Basic Systems (Rec, 15 (CBS Ext. (2014)/Res. 21 (Cg-17)/Res. 12 (EC-68))/Interpretation by IPET-DRMM-III
Outcomes of the sixteenth World Meteorological Congress (Cg-XVI) related to data representation
All assigned entries of GRIB, BUFR and CREX including those for validation

 

Documentation (last updated 21/6/2018)

FORM 1
Documentation Form
FORM 2
Vlidation Report Form used in item 6, otherwise, a document is submitted in the documentation form
INF. 1
List of participants
INF. 2
List of representatives and Secretariat concerned
INF. 3
Local times
INF. 4
Allocated GRIB/BUFR/CREX tables entires    
  INF.5 Information Note kindly prepared by DWD    
Agenda item
Title
Document
No.
Submitted by
 1
ORGANIZATION OF THE MEETING
 
   1.1    Opening of the Meeting
 
   1.2    Approval of the Agenda
Secretariat
 
   1.3    Working arrangement  
 
 2
MANUAL ON CODES: TABLE-DRIVEN CODE FORMS
 
     FM 92 GRIB
 
   2.1    Amendments to GRIB regulations
 
       (to be submitted by participants)  
 
   
 
   2.2    Additions to GRIB templates and tables
 
       Additional elements for optimal cloud analysis and instantaneous rain rate products
Simon Elliott, Daniel Lee (EUMETSAT)
       New fixed surface type in Code table 4.5
Dörte Liermann (DWD), Sibylle Krebber
       New entry in GRIB2 Code table 4.9
Jeffrey Ator
       New lightning GRIB parameters
Sebastien Villaume (ECMWF), Enrico Fucile
       New GRIB2 Code table 4.2 entries
Yves Pelletier
       New “freezing drizzle” precipitation type
Sebastien Villaume (ECMWF), Enrico Fucile
       Representing gnomonic grids
Jeffrey Ator
       New GRIB2 Code table 4.9 entries
Yves Pelletier
       (to be submitted by participants)  
 
 
   
 
     FM 94 BUFR/FM 95 CREX
 
   2.3    Amendments to BUFR/CREX regulations
 
       (to be submitted by participants)
 
 
   
 
   2.4    Additions to BUFR/CREX tables
 
       BUFR descriptors for flagged ancillary data
Simon Elliott, Daniel Lee (EUMETSAT)
       New BUFR sequence for describing satellite obsevcations compressed using principal component analysis
Simon Elliott, Daniel Lee (EUMETSAT)
       BUFR descriptors for IASI Level 2 Products
Simon Elliott, Daniel Lee (EUMETSAT)
       New BUFR sequence for snow water equivalent (SWE)
Marijana Crepulja, Patricia de Rosnay (ECMWF), Enrico Fucile
       Revision of BUFR sequence 3 09 056 – Sequence for representation of radiosonde descent data
Tanja Kleinert (EUMETNET), Sibylle Krebber
       New sequence for representation of radiosonde observation data with higher precision of pressure and geopotential height
Ruud Dirksen (GRUAN lead centre), Sibylle Krebber
       New BUFR sequence for describing the "First five" Fourier components of the directional wave spectrum
Jon Turton (UKMO), David Berry
       New BUFR sequence for the reporting as basic ship AWS data
Jon Turton (UKMO), David Berry
       Review sequence 3-10-067
Marijana Crepulja (ECMWF), Enrico Fucile
       Revised BUFR template for surface observations from n-minute period
Tanja Kleinert (EUMETNET), Sibylle Krebber
       New BUFR sequence and code and flag tables for Sentinel-3 SRAL product
Simon Elliott, Daniel Lee (EUMETSAT)
       (to be submitted by participants)  
 
   
 
     Common Code tables to binary and alphanumeric codes
 
   2.5    Additions to Common Code tables
 
       Proposal for new entries in Common Code table C-5 and C-8
Simon Elliott, Mingsen Lin
(NSOAS, China),
Yann Genin
       New entry in Common Code table C-2 for new radiosondes
Yann Genin
       New entries in Common Code Table C-12
Yann Genin
       New entries in Common Code tables C-5 and C-8
Harald Anlauf (DWD), Sibylle Krebber
       New entries in Common Code Table C-3
David Berry
       (to be submitted by participants)  
 
   
 
     New editions of Table-Driven Code Forms
 
   2.6    GRIB edition 3
 
       GRIB edition 3 samples
Marijana Crepulja, Sebastien Villaume (ECMWF), Enrico Fucile
       Horizontal domain URL
Sebastien Villaume (ECMWF), Enrico Fucile
       Overlay Template URL
Sebastien Villaume (ECMWF), Enrico Fucile
       New template components and templates for model level in GRIB Edition 3
Dörte Liermann et al. (DWD), Sibylle Krebber
       New template component and templates for time interval in GRIB Edition 3
Dörte Liermann et al. (DWD), Sibylle Krebber
       Comments on functionality and structure of referencing externally defined resources (URL) – in general and in case of unstructured mesh for GRIB Edition 3
Dörte Liermann et al. (DWD), Sibylle Krebber
     
   2.7    BUFR and CREX new editions
 
     
 
   
 
 3
MANUAL ON CODES: REGULATIONS FOR REPORTING TRADITIONAL OBSERVATION DATA IN TABLE-DRIVEN CODE FORMS
 
   3.1    Amendments to B/C Regulations for standard time
Secretariat
   3.2    SYNOP data from Israel using 203YYY operator
Marijana Crepulja (ECMWF),
Enrico Fucile 
   
 
 4
MANUAL ON CODES: TRADITIONAL ALPHANUMERIC CODES
 
   4.1    Possible Amendment 79 to ICAO Annex 3
Kentaro Tsuboi  
   
 
 5
MANUAL ON THE GTS: DATA DESIGNATORS
 
   5.1    New data designator for space weather
Secretariat
   5.2    Global exchange of daily climate data
William Wright (CCl)
   
 
 6
SUMMARY AND CONCLUSION OF PROPOSALS
 
   6.1    Summary of amendments since IPET-CM-I and update of status of validation
Secretariat
   6.2    Conclusion on intersessional discussion (in lieu of PFC)
 
       BUFR sequences 3 09 056 and 3 09 057
     - ID. 2018-2.4.5, 2018-2.4.6
DWD
       BUFR template for surface observations from n-minute period - ID. 2018-2.4.10
DWD
       New BUFR sequence for snow water equivalent (SWE)
     - ID. 2018-2.4.4
ECMWF
       Additional elements for optimal cloud analysis and instantaneous rain rate products
     - ID. 2018-2.2.1
EUMETSAT
       BUFR descriptors for IASI Level 2 products
     - 2018-2.4.3
EUMETSAT
       New BUFR sequence and code table for satellite-derived winds - 2018-2.4.9 EUMETSAT
       New BUFR sequence and code and flag tables for Sentinel-3 SRAL product
     -ID. 2018-2.4.11
EUMETSAT
   
 
 7
MIGRATION TO TABLE-DRIVEN CODE FORMS
 
   7.1    Comparison of number of reports received in TDCF and TAC during January 2018
Secretariat
   
 
   7.2    Reports on status of migration
 
     7.2.1      Status of migration to TDCF in RA I
Abderrazak Lemkhenter
 
     7.2.2      Status of migration to TDCF in RA II
Kentaro Tsuboi
     7.2.3      Status of migration to TDCF in RA III
Sergio Henrique S. Ferreira, Jose Mauro de Rezende
     7.2.4      Status of migration to TDCF in RA IV
Doc 7.2(4)
 
     7.2.5      Status of migration to TDCF in RA-V
Doc 7.2(5)
 
     7.2.6      Status of migration to TDCF in RA VI
Doc 7.2(6)
 
     7.2.7      Status of migration to TDCF within JCOMM
David Berry
     7.2.8      Status of migration to TDCF ......
Doc 7.2(8)
 
       
   7.3    Tools for supporting the migration to TDCF    
       BUFR Validation Dashboard
Peng Wang (CMA), Abbas Niazalizadeh (IRIMO), Yang Wang (Private Sector, Australia), Gregor Schnee, Markus Heene (DWD)
       DWD’s online BUFR Viewer
Markus Heene, Gregor Schnee (DWD)
       TAC2BUFR Check at DWD – follow-up
Andreas Gerth, Markus Heene(DWD)
       BUFR migration tool
David Berry
   
 
 8
ADMINISTRATIVE ISSUES
 
   8.1      Changes to the publication of Manual on Codes
Secretariat
   8.2      Procedures for amending Manuals on Codes and the GTS
Secretariat
   8.3      Category of amendments
Secretariat
   
 
 9
IPET-CM AND TASK TEAMS
 
     (Summary of activities by leads of TTs)  
 
   
 
10
COLLABORATION WITH OTHER ORGANIZATIONS AND TECHNICAL BODIES
 
   10.1    The WIGOS Data Quality Monitoring System (WDQMS)
Jeffrey Ator
   10.2    Exchange on GTS of monthly climate monitoring products
Fatima Driouech (CCl)
   10.3    Collaboration with the Inter-programme Expert Team on Operational Weather Radar (IPET-OWR)
Jitsuko Hasegawa
   
 
11
CLOSURE OF THE MEETING