| Octets |
Key Name |
Comments |
| 1-4 |
section1Length |
Length of section in octets (21 or nn) |
| 5 |
numberOfSection |
Number of section (1) |
| 6-7 |
centre |
Identification of originating / generating centre (Common Code Table C-11)
| 7 | kwbc | NCEP |
| 76 | | Moscow (RosHydroMet) |
| 78 | edzw | Offenbach (DWD) |
| 80 | cnmc | Rome (USAM) |
| 96 | | Athens (HNMS) |
| 98 | ecmf | ECMWF |
| 215 | | Zürich (MeteoSwiss) |
| 220 | | Warsaw (IMGW) |
| 242 | | Romania (NMC) |
| 250 | | COSMO |
|
| 8-9 |
subCentre |
Identification of originating / generating sub-centre
(allocated by originating / generating centre)
|
| 10 |
tablesVersion |
GRIB Master Tables Version Number: Local tables shall define those parts of the master
tables which are reserved for local use except for the case described below.
In any cases, the use of local tables in messages intended for non-local or
international exchange is strongly discouraged.
| 5 | Version implemented on 4 November 2009 |
| 6 | Version implemented on 15 September 2010 |
| 7 | Version implemented on 4 May 2011 |
| 8 | Version implemented on 2 November 2011 |
| 9 | Version implemented on 2 May 2012 |
| 10 | Version implemented on 7 November 2012 |
| 11 | Pre-operational to be implmeented by next amendment |
| 12-254 | Future versions |
Which version is used depends on grib_api and the implemented definitions. It will be set
by grib_api. |
| 11 |
localTablesVersion |
Version number of GRIB Local Tables used to augment Master Tables: If octet 10 contains 255
then only local tables are in use, the local tables version number (Octet 11) must not be
zero nor missing, and local tables may include entries from the entire range of the tables.
| 0 | Local tables not used. Only table entries and
templates from the current master table are valid |
| 1-254 | Number of local tables version used |
| 255 | Missing |
The COSMO-Model does not set
localTablesVersion on its own, but uses the value read
with the sample file. |
| 12 |
significanceOfReferenceTime |
Significane of reference time according to Code Table 1.2
| 0 | Analysis |
| 1 | Start of forecast |
| 2 | Verifying time of forecast |
| 3 | Observation time |
| 4-191 | Reserved |
| 192-254 | Reserved for local use |
| 255 | Missing |
|
| 13-14 |
year |
Year (4 digits) |
| 15 |
month |
Month |
| 16 |
day |
Day |
| 17 |
hour |
Hour |
| 18 |
minute |
Minute |
| 19 |
second |
Second |
| 20 |
productionStatusOfProcessedData |
Production status of processed data in this GRIB message according to
Code Table 1.3:
| 0 | Operational products |
| 1 | Operational test products |
| 2 | Research products |
| 3 | Re-analysis products |
| 4 | THORPEX Interactive Grand Global Ensemble (TIGGE) |
| 5 | THORPEX Interactive Grand Global Ensemble (TIGGE) test |
| 6-191 | Reserved |
| 192-254 | Reserved for local use |
| 255 | Missing |
|
| 21 |
typeOfProcessedData |
Type of processed data in this GRIB message according to Code Table 1.4:
| 0 | Analysis products |
| 1 | Forecast products |
| 2 | Analysis and forecast products |
| 3 | Control forecast products |
| 4 | Perturbed forecast products |
| 5 | Control and perturbed forecast products |
| 6 | Processed satellite observations |
| 7 | Processed radar observations |
| 8 | Event probability |
| 8-191 | Reserved |
| 192-254 | Reserved for local use |
| 255 | Missing |
|
| 22-nn |
Reserved: need not be present |
|