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Product Overview
The GRAS SAF delivers near-real time, offline, and Level 3 climate products, and software modules for numerical weather prediction models and climate researchDissemination: NRT products are disseminated in near-real time via RMDCN/GTS (BUFR files) and EUMETCast (BUFR and NetCDF files). For details about getting products via RMDCN please refer to the BUFR Specification document. For details about getting products via EUMETCast please go to the EUMETCast web page.
Retrieval: For retrieval of archived products, please go to the Product Archive
. GRAS SAF products can also be accessed through EUMETSAT, through the EUMETSAT Product Navigator and ordered at the EUMETSAT Data Centre (formerly known as UMARF). Note that products from EUMETSAT come in PFS format, which contains data in geographical areas, not individual occultation profiles.
| Products List | Description of product |
| NRT Products | |
| Refractivity profile (GRM-01) | Refractive index of the atmosphere as function of height at tangent point |
| Temperature profile (GRM-02) | Temperature as function of height at tangent point |
| Specific humidity profile (GRM-03) | Specific humidity as function of height at tangent point |
| Pressure profile (GRM-04) | Pressure as function of height at tangent point |
| Surface pressure (GRM-05) | Pressure at surface level |
| Error covariance matrix (GRM-07) | Error covariance matrix as average for all profiles |
| Offline Products | |
| Bending angle (GRM-08) | Bending angle as function of impact parameter |
| Refractivity profile (GRM-09) | Refractive index of the atmosphere as function of height at tangent point |
| Temperature profile (GRM-10) | Temperature as function of height at tangent point |
| Specific humidity profile (GRM-11) | Specific humidity as function of height at tangent point |
| Pressure profile (GRM-12) | Pressure as function of height at tangent point |
| Surface pressure (GRM-13) | Pressure at surface level |
| Error covariance matrix (GRM-15) | Error covariance matrix as average for all profiles |
| Climate Products | |
| Bending angle (GRM-17) | Bending-angle zonal monthly means on a latitude-height grid |
| Refractivity (GRM-18) | Refractivity zonal monthly means on a latitude-height grid |
| Temperature (GRM-19) | Temperature zonal monthly means on a latitude-height grid |
| Specific humidity (GRM-20) | Specific-humidity zonal monthly means on a latitude-height grid |
| Geopotential height (GRM-21) | Geopotential-height zonal monthly means on a latitude-height grid |
| Software Products | |
| ROPP package (GRM-16) | Software package containing processing, quality-control, and 1D, 3D, and 4D-Var assimilation routines |
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