...
| Info |
|---|
The version of GRIB-API which can recognise all UERRA parameters is currently under development and should be released to some extent by the 1st half of June. Until then please use the version 1.15.0 which can identify UERRA products as per below (paragraph 1). |
GRIB2 encoding details
| Section 1 | |||
|---|---|---|---|
| Octets | Key name | Value | Description |
| 6-7 | centre | 82 | 82 (Sweden) |
| 10 | tablesVersion | 17 | |
| 20 | productionStatusOfProcessedData | 8
| operational UERRA products |
| 9 | test UERRA products | ||
| 21 | typeOfProcessedData | 0 | Analysis products |
| 1 | Forecast products | ||
Deterministic system (both analysis and forecast products)
| Section 4 | |||
|---|---|---|---|
| Octets | Key name | Value | Description |
| 8-9 | productDefinitionTemplateNumber | 0 | Analysis and Forecast products (instantaneous) (Analysis or forecast at a horizontal level or in a horizontal layer at a point in time (grib2/tables/17/4.0.table)) |
| 8 | Analysis and Forecast products (statisticially processed = accumulated/min/max values ) (Average, accumulation, extreme values or other statistically processed values at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval (grib2/tables/17/4.0.table)) | ||
Ensembe DA system (both analysis and forecast products)
| Section 4 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Octets | Key name | Value | Description | |||||
| 8-9 | productDefinitionTemplateNumber | 1
| Analysis and Forecast products (instantaneous) (Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer at a point in time (grib2/tables/17/4.0.table)) | |||||
| 11 | Analysis and Forecast products (statisticially processed = accumulated/min/max values ) (Individual ensemble forecast, control and perturbed, at a horizontal level or in a horizontal layer, in a continuous or non-continuous time interval (grib2/tables/17/4.0.table)) | Ensemble (section 4, template 4.61) | Octets | Key name | Value | Description|||
| 35 | type of ensemble forecast | 255 | (missing | )|||||
| 36 | perturbation number | 2 | Example for 2nd eps member of ensemble with 4 members (0/1/2/3) | |||||
| 37 | number of forecasts in ensemble | 4 | ||||||
Examples of GRIB2 files
| deterministic | ensemble DA | |||
| AN | FC | AN | FC | |
| Accumulations | ||||
| Instantaneous | ||||
| Maximum since previous post-processing | ||||
| Minimum since previous post-processing | ||||
Parameter on soil level (soil temperature on soil level 1) | ||||
...