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Satellite Application Facility
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GRAS Meteorology SAF is a EUMETSAT-funded project that develops an operational radio occultation system responsible for delivering refractivity, temperature, pressure, and humidity profiles in near real time and the ROPP software package for numerical weather prediction models and for carrying out related research.

The GRAS SAF Leading Entity is the Danish Meteorological Institute (DMI), with Cooperating Entities ECMWF (European Centre for Medium-Range Weather Forecasts) in Reading, United Kingdom, IEEC (Institut D'Estudis Espacials de Catalunya) in Barcelona, Spain, and Met Office in Exeter, United Kingdom. Read more about the project here.

Availability of GRAS SAF level 2 products
- Pre-operational products: March 2009
- Operational products: June 2009

CURRENT PRODUCT STATUS
NRT Products:
NRT EUM-BA GRM-01 NRT N GRM-02 NRT T
GRM-03 NRT Q GRM-04 NRT P GRM-05 NRT SP
Offline Products:
GRM-08 OFL BA GRM-09 OFL N GRM-10 OFL T
GRM-11 OFL Q GRM-12 OFL P GRM-13 OFL SP
Climate Products:
GRM-17 CLM BA GRM-18 CLM N GRM-19 CLM T
GRM-20 CLM Q GRM-21 CLM GPH
Colour codes:
  Operational   Pre-operational   Degraded
  Stopped   Demonstration   Development

For more information on products and availability please go to the products overview page.

GRAS SAF Archive and Retrieval Facility
For access to our ROPP package and GRAS data products, please use GARF

NRT monitoring of RO data
Monitoring of quality and data flow (MetOp, COSMIC, CHAMP, GRACE-A)
Bending angle statistics (MetOp, COSMIC, CHAMP, GRACE-A)
NEWS

Feature on GRAS SAF
EUMETSATs web page has a feature on the GRAS SAF and our refractivity product this week.
[April 17 2009]


Data access on GARF
The GRAS SAF is pleased to announce that GARF is open for access to archived NRT data. Read more here.
[March 30 2009]


Refractivity product via EUMETCast
The GRAS SAF is pleased to announce that the GRAS SAF level 2 NRT refractivity product (GRM-01) is being disseminated in trial mode on the EUMETCast system.
For more details, read here.
[March 30 2009]


NRT refractivity
product pre-operational

The GRAS SAF is pleased to announce that the GRAS SAF level 2 NRT refractivity product (GRM-01) has been declared pre-operational.
The product is disseminated in NRT via the GTS system (RMDCN).
For the full announcement, please click here.
[March 25 2009]


Previous news


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