The Radio Occultation Meteorology SAF is a decentralized facility under EUMETSAT, that runs an operational radio occultation system responsible for delivering bending angle, refractivity, temperature, pressure, and humidity profiles in near-real time and offline for NWP and climate users. The offline profiles are further processed into climate products consisting of gridded monthly means of bending angle, refractivity, temperature, humidity, and geopotential heights.

The ROM SAF also maintains the ROPP (Radio Occultation Processing Package) software package for users wishing to process, quality-control, and assimilate radio occultation data from any radio occultation mission into NWP and other models.

The ROM 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. Until February 29, 2012, the official name of the ROM SAF was GRAS SAF. Read more about EUMETSAT and the ROM SAF here.

ROM SAF Product Archive
For access to the data products, please use the Product Archive

NRT Monitoring of RO Data
ROM SAF monitoring of quality and data flow
ECMWF ROM SAF monitoring statistics

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NEWS

ROM SAF Metop-C GRAS data operational
Read more here.
[March 7, 2019]

Publication of ROM SAF Operations Report 2018 H2
Read more here.
[February 27, 2019]

Release of Climate Data Records v1.0 from RO data
Read more here.
[February 19, 2019]

Monitoring of FY-3D/GNOS data
Read more here.
[January 17, 2019]

Monitoring of Metop-C GRAS data
Read more here.
[December 19, 2018]

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