The Radio Occultation Meteorology Satellite Application Facility (ROM SAF) is a decentralised processing centre under EUMETSAT which is responsible for operational processing of radio occultation (RO) data from the Metop and Metop-SG satellites and radio occultation data from other missions. The ROM SAF delivers geophysical variables in near real-time for NWP users, as well as reprocessed Climate Data Records (CDRs) and Interim Climate Data Records (ICDRs) for users requiring a higher degree of homogeneity of the RO data sets. The CDRs and ICDRs are further processed into globally gridded monthly-mean data for use in climate monitoring and climate science applications. The ROM SAF also maintains the Radio Occultation Processing Package (ROPP) which contains software modules that aid users wishing to process, quality-control and assimilate radio occultation data from any radio occultation mission into NWP and other models.

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

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


NEWS

Publication of ROM SAF Operations Report 2020 H2
This report covers the 7-month period June -- December (H2) of 2020. Read more here.
[February 26, 2021]

Release of software package ROPP version 10.0
The ROM SAF announces the release of ROPP-10.0, the latest update of the Radio Occultation Processing Package (ROPP). Read more here.
[February 9, 2021]

Publication of VS report on impacts of under-sampling the diurnal cycle
The VS study investigated Bayesian interpolation in order to analyse and map the atmospheric diurnal cycle. Read more here.
[January 19, 2021]

Offline products version 1.1 released since August 2019
Offline products (version 1.0 and version 1.1) based on Metop data are available covering the period from January 2017 and are regularly updated every month. Read more here.
[November 20, 2020]

Publication of VS report on ionospheric correction of bending angles
The VS project studied the bi-local correction approach and the Kappa correction for the purpose of mitigating the residual ionospheric errors in radio occultation data. Read more here.
[September 28, 2020]

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