Utilising specialist expertise from the Member States, Satellite Application Facilities (SAFs) are dedicated centres of excellence for processing satellite data. They form an integral part of the distributed EUMETSAT Application Ground Segment.

The eight EUMETSAT SAFs provide users with operational data and software products, each one for a dedicated user community and application area.

EUMETSAT Secretariat supervises and coordinates the overall activities of the SAF network, ensuring that the SAFs in operations are providing reliable and timely operational services related to the meteorological and environmental issues.

The SAF Network manages and coordinates interfaces between the SAFs themselves and between SAFs and other EUMETSAT systems, overseeing the integration and operations of SAFs into the overall ground segment infrastructure. During this process EUMETSAT ensures that services are delivered in the most reliable and cost-effective way.     

SAF Network

The Product Navigator has a full list of EUMETSAT centrally produced and SAF products.

Satellite Application Facilities

The Satellite Application Facilities (SAFs) are a distributed network of thematic application facilities responsible for necessary research, development, and operational activities not carried out by the central facility. The SAFs are located within the National Meteorological Services (NMS) of EUMETSAT Member States, or other agreed entities linked to a user community.

SAFs deliverables can be a specific piece of software to be made available to users for use in their own environment, or data and products made available in near real-time or offline.

The map below shows the deployment of the SAF Operational Architecture. Distributed architecture are indicated by a red dot, by selecting it, the relevant operational subsystem details will be displayed.



Product Validation

Products generated within the Application Ground Segment are subject to a validation process to ensure the correct quality of product has been reached. All products need to meet validation criteria before an "operational" product status can be applied. Corresponding validation reports are made available at the time of the product release.

Archiving Data and Products

All data and products generated within the Application Ground Segment are archived and can be retrieved, on demand, by users. The EUMETSAT Data Centre provides the central archive facility and retrieval service. The network of SAF archives provides thematic archive and retrieval services for their products. Products from the SAFs can be ordered centrally via the Data Centre.

SAF Projects

What is a SAF?

SAFs are dedicated centres of excellence for processing satellite data, achieved by utilising specialist expertise from the Member States. SAFs generate and disseminate operational EUMETSAT products and services and are an integral part of the distributed EUMETSAT Application Ground Segment.

Each SAF is led by the National Meteorological Service (NMS) of a EUMETSAT Member State, in association with a consortium of EUMETSAT Member States and Cooperating States, government bodies and research institutes. The lead NMS is responsible for the management of each complete SAF project. The research, data and services provided by the SAFs complement the standard meteorological products delivered by EUMETSAT’s central facilities in Darmstadt, Germany.

EUMETSAT supervises and coordinates the overall activities of the SAF network and the integration of the SAFs into the various operations within the EUMETSAT Application Ground Segment. It manages and coordinates interfaces — between the SAFs themselves and between SAFs and other EUMETSAT systems — overseeing the integration of SAFs into the overall ground segment infrastructure. By overseeing the entire network of SAFs, EUMETSAT ensures that services are delivered in the most reliable and cost-effective way.

SAFs currently use data from meteorological satellites both in geostationary and polar orbit.

The SAFs help deliver a variety of benefits, including:

  • Improvements to short-range forecasting of severe weather hazards.
  • Support to the aviation, agriculture, construction, gas, water and electricity industries.
  • Better understanding of the causes and effects of pollution of the upper atmosphere and the depletion of ozone.
  • Early warning of hazards.
  • Better data for climate monitoring.
  • Improved information for land use, ecology, disaster monitoring and agricultural forecasting.
  • Benefits for sea transport, fishing and offshore industries.
  • Improved data for input to Numerical Weather Prediction and the availability of user software packages for operational applications.
  • Improved software packages and near-real time and offline products.

Visiting Scientist Programme

The main objective of the SAF Visiting Scientists (VS) programme is to allow experts/scientists from the EUMETSAT Member States, other than those involved in a particular SAF development, to acquire expertise in the field of the SAF activities/products. A second objective of the VS scheme is to allow scientists from other institutes to participate in, or contribute to, the SAF activities, in particular the algorithm development and product validation activities.

Types of Activities

Depending on whether the VS stay at their home institute or move to the visited institute, two main types of VS can be distinguished:

  1. Visiting Scientists (VS) who participate in the development activities of the SAF by spending a certain period of time at one of the SAF Consortium Institutes.
  2. Associated Scientists (AS) who participate in the development activities of the SAF but stay 'at home' (no change of location).

In certain cases it might be necessary to combine the two types of activities, i.e. the VS activity may be carried out partly at the visited institute and partly at home.

Opportunities for Visiting Scientists

Current visiting scientist opportunities can be found at the relevant SAF web pages or acquired through the SAF help desk.

Overall Planning

SAF Network Evolution towards the MTG and Post-EPS Era

SAF Network Evolution towards the MTG and Post-EPS Era

Following Initial Developments and Operations (1996–2006), the SAFs went into the Continuous Development and Operations Phase (CDOP), which is approved in five-yearly segments by the Council.

The chart (right) shows the SAF Network Evolution towards the MTG and Post-EPS Era.

SAF Life Cycle

The SAF Development Life Cycle is optimised in line with the specific project organisation and expertise available from the participating partners.

Necessary scientific prototyping and development are performed in the SAF projects, with concurrent engineering of the required infrastructure and enabling software elements.

The Operations Life Cycle includes the delivery of the intended services or software applications to end-users, as well as the continuous Research and Development aiming at improving the targeted products, in line with user feedback.

A simplified view of the main activities performed during SAF development is illustrated in the following diagrams, in a phased approach going from Requirements Definition, to Design, Implementation, Integration, and Pre-operational activities.

Life Cycle Process Overview

SAF Life Cycle

Scientific analyses and prototyping are the basis for the definition of the SAF Products and underlining algorithms. The transfer from the Scientific Process to the Engineering Process is a continuous activity during the SAF Life Cycle. Engineering of SAF Products, according to user requirements, and to the expected quality standards, therefore, takes into account the need for a strong interaction between these two processes, up to the final validation of the deliverable products.

SAF Research & Development Process

SAF Research & Development Process

A waterfall view of the development of a SAF system and infrastructure providing off-line or near-real-time services.

Requirements Engineering Process.

Design Engineering Process.

Facility Engineering Process.

Validation Process.

Preparation for SAF Operation.

Evolutionary SAF Development Process

When a phased development approach is not appropriate, an evolutionary prototyping life cycle is adopted, to ensure an incremental release of the products to users, from the early stage of the development. Providing early feedback, Beta-users contribute to a controlled evolution of the products up to the last planned build.

Evolutionary SAF Development Process



SAF Network — Points of Contact

For requesting any additional information on the SAF Network go to Contact us.

To directly contact the SAF Projects see the details below.

SAF Project Managers at National Meteorological Services
SAF Project SAF Project Manager
SAF on support to Nowcasting and Very Short Term Forecasting Pilar Rípodas
AEMET, Remote Sensing Department, Leonardo Prieto Castro 8, 28040 Madrid, Spain
Phone: +34 915 810 203
Fax: +34 915 819 767
SAF on Ocean and Sea Ice Cécile Hernandez
Météo-France, Centre de Métérologie Spatiale, av Lorraine, BP 50747, 22307 Lannion cedex, France
Phone: +33 296 056 796
Fax: +33 296 056 737 or
SAF on Atmospheric Composition Monitoring Seppo Hassinen
Earth Observation, Finnish Meteorological Institute, P.O. Box 503, 00101 Helsinki, Finland
Phone: +358 9 1929 4675
SAF on Climate Monitoring Martin Werscheck
Deutscher Wetterdienst, Abteilung Klima und Umwelt, Postfach 10 04 65 63004, Offenbach, Germany
Phone: +49 69 8062 4919
Fax: +49 69 8062 4955
SAF on Numerical Weather Prediction Samantha Pullen
Met Office, Satellite Applications, FitzRoy Road Exeter Devon EX1 3PB, United Kingdom
Phone: +44 (0)1392 886876
Fax: +44 (0)1392 885681
Radio Occultation Meteorology SAF Kent Bækgaard Lauritsen
Danish Meteorological Institute, Lyngbyvej 100, 2100 Copenhagen, Denmark
Phone: +45 39157 454
Fax: +45 39157 460
SAF on Land Surface Analysis Isabel Trigo
Instituto Português do Mar e da Atmosfera, Rua C ao Aeroporto, 1749-077 Lisboa, Portugal
Phone: +351 218 447 000 (Geral), +351 218 447 108 (Directo)
Fax: +351 218 402 370
SAF on Support to Operational Hydrology and Water Management Francesco Zauli
Italian Air Force Meteorological Service Viale Università, 4
00185 ROMA (Roma), Italy

Role Name
Head of Process Assurance & Management Support Lorenzo Sarlo
SAF Network System Engineer Frédéric Gasiglia
SAF Network Manager Lothar Schüller
SAF Process Assurance & Management Support Engineer Cleber Balan
SAF Support Engineer Ricardo Simoes


SAF Network Acronym List
2D / 3D / 4D 2 / 3 / 4-Dimensional
1D / 3D / 4D-Var 1 / 3 / 4-Dimensional Variational analysis
AAI Absorbing Aerosol Indicator (Ozone SAF product)
AAPP AVHRR and ATOVS Processing Package
AC Atmospheric Composition
AD Applicable Document
ADD Architectural Design Document
ADEOS ADvanced Earth Observing Satellite (NASDA, Japan)
ADM Angular Distribution Model
AFG Administrative and Finance Group (of EUMETSAT)
AGCM Atmospheric Global Circulation Model
AGS Application Ground Segment
AIRS Atmospheric InfraRed Sounder
AIT Assembly, Integration, Test
AIV Assembly, Integration, Verification
AMA Air Mass Analysis (Nowcasting SAF product)
AMI Active Microwave Instrumentation (on ERS-1/2)
AMSU Advanced Microwave Sounding Unit
AMSU-A Advanced Microwave Sounding Unit A
AMSU-B Advanced Microwave Sounding Unit B
AMV Atmospheric Motion Vector (MSG MPEF product)
ANSI American National Standards Institute
AO Announcement of Opportunity
AOCS Attitude Orbit Control System
AOD Aerosol Optical Depth
AOT Aerosol Optical Thickness
API Antecedent Precipitation Index
API Algorithm Processing Interface
APT Automatic Picture Transmission
AQC Automatic Quality Control
AR Ambiguity Removal
ARGOS Meteorological Data Collection and Location System
ARPEGE Action de Recherche Petite Echelle Grande Echelle (French NWP model)
AS Associated Scientist
ASCAT Advanced SCATterometer
ASCII American Standard Code for Information Interchange
ASI Agenzia Spaziale Italiana
ASII Automatic Satellite Image Interpretation (Nowcasting SAF product)
ATOVS Advanced TIROS Operational Vertical Sounder
ATSR Along Track Scanning Radiometer
AVHRR Advanced Very High Rate Radiometer
BALTEX BALTic sea EXperiment
BfG Bundesamt für Gewässerkunde (Koblenz, Germany)
bps bits per second
BSH Bundesamt für Seeschiffahrt und Hydrographie (Hamburg, Germany)
BRDF Bi-directional Reflection Distribution Function
BSRN Baseline Surface Radiation Network
BTE Bench Test Equipment
BUFR Binary Universal Form for the Representation of meteorological data (of WMO)
Cal/Val Calibration and Validation
CAL-MON Calibration Monitoring
CBS Commission for Basic Systems (of WMO)
CCF Cloud Correction Factor
CCSDS Consultative Committee on Space Data Systems
CDA Command and Data Acquisition
CDR Critical Design Review
CD-ROM Compact Disk-Read Only Memory
CDS Climate Data Set (MSG MPEF Product)
CDS Cloud Detection System (from KNMI)
CEO Centre for Earth Observation
CEOS Committee of Earth Observation Satellites
CERES Clouds and Earth's Radiant Energy System
CGMS Coordination Group for Meteorological Satellites
CGS Core Ground Segment (of EPS)
CIE Commission Internationale de l'Éclairage (International Commission on Illumination)
CIMSS Cooperative Institute for Meteorological Satellite Studies (University of Wisconsin, Madison, USA)
CLA Cloud Analysis (MSG MPEF Product)
CLARA CLouds And RAdiation measurement campaign (from KNMI)
CLM Calibration support/monitoring (MSG MPEF product)
CLM CLimate Monitoring
CLW Cloud Liquid Water
CM Conceptual Models
CM Climate Monitoring
CMa Cloud Mask (Nowcasting SAF product)
CMF Circular Median Filter
CMOD C MODel (geophysical transfer function for C-band scatterometer)
CMP Configuration Management Plan
CMS Centre de Météorologie Spatiale (Lannion, France)
CMV Cloud Motion Vector
CMW Cloud Motion Winds (MTP product)
CNES Centre National d'Etudes Spatiales (France)
CNRM Centre National de Recherche Météorologique (Toulouse, France)
COTS Commercial-Off-The-Shelf
CPS Complementary Platform System
CRAG Cloud Recognition Algorithm for GOME
CRR Convective Rainfall Rate (Nowcasting SAF product)
CSR Clear Sky Radiances (MSG MPEF Product)
CT Cloud Type (Nowcasting SAF product)
CTH Cloud Top Height (MSG MPEF product)
CTTH Cloud Top Temperature and Height
DADF Data Acquisition and Dissemination Facility
dB decibel
DCP Data Collection Platform
DCS Data Collection System
DDD Detailed Design Document
DEM Digital Earth Model / Digital Elevation Model
DISORT DIScrete Ordinates Radiative Transfer
DLR Deutsches Zentrum für Luft und Raumfahrt (Oberpfaffenhofen, Germany)
DLR Downwelling Long-wave Radiation
DMI Danish Meteorological Institute
DMSP Defense Meteorological Satellite Program (of the US Department of Defense)
DNMI Det Norske Meteorologiske Institutt (Norwegian Meteorological Institute)
DOAS Differential Optical Absorption Spectroscopy
DoD Department of Defense (USA)
DRS Data Relay Satellite
DSLF Downward Surface Long-wave Flux (Ocean & Sea Ice and Land SAF product)
DSSF Downward Surface Short-wave Flux (Ocean & Sea Ice and Land SAF product)
DTM Digital Terrain Model
DU Dobson Units
DWD Deutscher Wetterdienst (German National Meteorological Service)
EBBT Equivalent Black Body Temperature
EC European Commission
ECMWF European Centre for Medium-Range Weather Forecasts (Reading, UK)
ECSN European Climate Support Network
EGOPS End-to-end GNSS Occultation Performance Simulator
EGSE Electrical Ground Support Equipment
EIRP Equivalent Isotropic Radiated Power
EM Engineering Model
ENSO El Niño Southern Oscillation
ENVISAT ENVIronmental SATellite (ESA)
EOL End of Life
EOS Earth Observing System
EOSDIS Earth Observation System Data Information System
ERA ECMWF Re-Analysis
ERB Earth Radiation Budget
ERBE Earth Radiation Budget Experiment (NASA)
ERBS Earth Radiation Budget Satellite
ERS European Remote-sensing Satellite (ESA)
ESA European Space Agency
ESOC European Space Operation Centre
ESTEC European Space Research & Technology Centre
ETC/LC European Topic Centre/Land Cover
EU European Union
EUMETSAT EUropean Organisation for the Exploitation of METeorological SATellites
EURD End Users Requirements Document
FAPAR fraction of Absorbed Photosynthetic Active Radiation (Land SAF product)
FAR Flight Acceptance Review
FASTEX Fronts and Atlantic Storm-Track EXperiment
FDP Fast Delivery Product
FGAT First Guess at Appropriate Time
FGV Fraction of Green Vegetation (Land SAF product)
FIR Flight Information Region
FM Flight Model
FMA Fondazione di Meteorologia Applicata (Florence, Italy)
FMI Finnish Meteorological Institute
FOV Field of View
FPP Frequency Power Profile
FSSP Forward Scattering Spectrometer Probe
FTP File Transfer Protocol
G/S Ground Segment
GAC Global Area Coverage
GAW Global Atmosphere Watch
GCM Global Circulation Model
GCOS Global Climate Observing System
GDS Global Data Service
GEMI Global Environment Monitoring Index
GEOSAR GEOstationary satellite Search And Rescue
GEOSAT GEOdetic/GEOphysical SATellite (US Navy)
GEOS-C Geodynamics Experimental Ocean Satellite (NASA)
GERB Geostationary Earth Radiation Budget (instrument on MSG)
GEWEX Global Energy and Water cycle EXperiment (of WMO)
GFE Government-Furnished Equipment
GII Global Instability Index (MSG MPEF Product)
GIIS General Instrument Interface Specification
GKSS Gesellschaft für Kernenergieverwertung in Schiffbau und Schiffahrt (Geesthacht, Germany)
GLONASS GLObal NAvigation Satellite System (Russia)
GMS Geostationary Meteorological Satellite (Japan)
GMES Global Monitoring for Environment and Security
GMT Greenwich Mean Time
GNSS Global Navigation Satellite System
GO3OS Global Ozone Observing System
GODIVA GOme Data Interpretation, Validation and Application
GOES Geostationary Operational Environmental Satellite
GOME Global Ozone Monitoring Experiment
GOMETRAN GOME radiative TRANsfer model
GPCP Global Precipitation Climatology Project
GPS Global Positioning System
GPSOS Global Positioning System Occultation Sensor (NPOESS)
GRAS GNSS Receiver for Atmospheric Sounding
GRIB GRIdded Binary format (of WMO)
GRM GRAS Meteorology
GS Ground Segment
GSE Ground-Support Equipment
GSFC Goddard Space Flight Center (Greenbelt, MD, USA)
GTS Global Telecommunication System (of WMO)
GUAN GCOS Upper Air Network
GVaP Global water Vapour Project (from WCRP/GEWEX)
HCP Humidity Composite Product (Climate SAF product)
HIRLAM HIgh Resolution Limited Area Model
HIRS High resolution Infrared Radiation Sounder
HL High Latitude
HNMS Hellenic National Meteorological Service (Athens, Greece)
HOPE Hamburg Operations Primitive Equations model (Ocean Circulation Model)
HPI High resolution Precipitation Index (MSG MPEF Product)
HQ Headquarters
HRIT High Rate Image Transmission
HRPT High Rate Picture Transmission
HRUS HRIT User Station
HRV High Resolution Visible
HRVIS High Resolution VISible
HRW High Resolution Wind vectors from HRVIS (Nowcasting SAF product)
I/F Interface
IAMAP International Association for Meteorology and Atmospheric Physics
IASI Infrared Atmospheric Sounding Interferometer
IATA Institute of Agrometeorology and Environmental Analysis Applied in Agriculture (Florence, Italy)
ICAT Instituto de Ciencia Aplicada e Tecnologia (Institute for Applied Science and Technology, Lisbon, Portugal)
ICD Interface Control Document
ICFA Initial Cloud Fitting Algorithm
ICU Instrument Control Unit
IDCS International Data Collection System
IDHS Instrument Data Handling System
IDS ISCCP Data Set (MSG MPEF Product)
IEEC Institut d'Estudis Espacials de Catalunya (Barcelona, Spain)
IERS International Earth Rotation Service
IFOV Instantaneous Field Of View
IFREMER Institut Français de REcherche pour l'exploitation de la MER (French Oceanic Institute, Brest)
IGBP International Geosphere / Biosphere Programme
IGS International GPS Service
IM Instituto de Meteorologia (Lisbon, Portugal)
IMK Institute of Meteorology and Climate Research (Karlsruhe, Germany)
IMPF Image Processing Facility (part of the MSG Ground Segment)
INM Institut Nacional de Meteorologia (Spanish National Meteorological Service)
INRIA INstitut de Recherche en Informatique Appliquee
IPCC Inter-governmental Panel on Climate Change
IR InfraRed
IRR Integration Readiness Review
IRTS Infrared Temperature Sounder
ISCCP International Satellite Cloud Climatology Project
ISSWG IASI Sounder Science Working Group
ITPP International TOVS Processing Package
ITRA Intercomparison of Transmittance and Radiance Algorithms
ITRF International Terrestrial Reference Frame
ITS Interferometer Thermal Sounder
JASIN Joint Air-Sea INteraction experiment
JERS Japanese Earth Resources Satellite
JPL Jet Propulsion Laboratory (Pasadena, California, USA)
JRC Joint Research Centre
KNMI Koninklijk Nederlands Meteorologisch Instituut (Meteorological Institute of the Netherlands)
LAI Leaf Area Index (Land SAF product)
LAM Local Area Model
LBL Line-By-Line (type of RTM)
LEO Low Earth Orbit
LEOP Launch and Early Orbit Phase
LMD Laboratoire de Météorologie Dynamique (Palaiseau, France)
LML Low and Mid-Latitude
LPW Layer Precipitable Water (Nowcasting SAF product)
LRIT Low Rate Image Transmission
LRPT Low Rate Picture Transmission
LSA Land Surface Analysis
LST Land Surface Temperature (Land SAF product)
LUT Look-Up Table
LUX AVHRR cloud parameters extraction scheme from Météo France
LW Long-Wave
LWC Liquid Water Content
LWR Long-Wave Radiation
MARF Meteorological Archive and Retrieval Facility
MAUVE MApping UV by Europe
MCP Meteorological Communications Package
MCS Mesoscale Convective System
MERIS Medium Resolution Imaging Spectrometer
METOP METeorological OPerational satellite (EUMETSAT)
MF Météo France
MHS Microwave Humidity Sounder
MIEC Meteorological Information Extraction Centre
MIMR Multi-frequency Imaging Microwave Radiometer
MISR Multi-angle Imaging Spectro-Radiometer
MMI Man Machine Interface
MODIS MODerate resolution Imaging Spectrometer
MODTRAN MODerate resolution TRANsmittance code
MOL Meteorological Observatory Lindenberg
MOP Meteosat Operational Programme
MPEF Meteorological Products Extraction Facility (part of MSG Ground Segment)
MPIfM Max-Planck-Institut für Meteorologie (Hamburg, Germany)
MSG Meteosat Second Generation
MSL Mean Sea Level
MSU Microwave Sounding Unit
MTBF Mean Time Between Failure
MTL Master Timeline
MTP Meteosat Transition Programme
MTR Mid-Term Review
MTS Microwave Temperature Sounder
MTTR Mean Time To Repair
N/A Not Applicable or Not Available
NASA National Aeronautics and Space Administration (USA)
NASDA Nippon Aeronautics and Space Development Administration
NCEP National Center for Environmental Prediction (Washington)
NDVI Normalised Differential Vegetation Index (Land SAF product)
NESDIS National Environmental Satellite, Data and Information Service (NOAA)
NETD Noise Equivalent Differential Temperature
NILU Norwegian Institute for Air Research
NIR Near InfraRed
NMC National Meteorological Center (Washington, USA)
NMS National Meteorological Service
NOAA National Oceanic and Atmospheric Administration
NORDRAD NORdic RADar network
NPOESS National Polar-orbiting Operational Environmental Satellite System (NOAA)
NRT Near-Real-Time
NSCAT NASA SCATterometer (on ADEOS-1)
NVAP NASA water VApour Project
NWC Nowcasting
NWP Numerical Weather Prediction
OASE Ozone Application Simulator and Explorer
OI Optimum Interpolation
OMI Ozone Monitoring Instrument
OPD OPtical Depth
ORR Operational Readiness Review
OSE Observing System Experiment
OSI Ocean and Sea Ice
OSSE Observing System Simulation Experiment
PA Product Assurance
PAR Photosynthetic Active Radiation
PBL Planetary Boundary Layer
PC Precipitating Clouds (Nowcasting SAF product)
PDR Preliminary Design Review
PFL Probability of Frame Loss
PLM Payload Module
PMD Polarisation Measurement Device
PMSL Pressure at Mean Sea Level
POD Precise Orbit Determination
POLDER POLarisation and Directionality of the Earth's Reflectances
PP Project Plan
PPS Precise Positioning Service
RADR Requirements and Architectural Design Review
RASS Radio-Acoustic Sounding System
RD Reference Document
RDT Rapidly Developing Thunderstorms (Nowcasting SAF product)
REKLIP Regionales KLIma Projekt (from CH, D and F)
RF Radio Frequency
RFC Radio Frequency Compatibility
RFI Radio Frequency Interference
RGB Red Green Blue
RH Relative Humidity
RMA Royal Military Academy (Brussels, Belgium)
RMDCN Regional Meteorological Data Communication Network (ECMWF)
RMIB Royal Meteorological Institute of Belgium (Brussels, Belgium)
RMS Root Mean Square
RO Radio Occultation
ROM Rough Order of Magnitude
RS Remote Sensing
RSM Root-zone Soil Moisture (Land SAF product)
RSS Root Sum of the Squares
RTM Radiative Transfer Model
RTTOV Radiative Transfer model for TOVS
S&R Search and Rescue
SADT Structured Analysis and Design Technique
SAF Satellite Application Facility
SAG Science Advisory Group
SAGE Stratospheric Aerosol and Gas Experiment
SAI Stability Analysis Imagery (Nowcasting SAF product)
SAR Synthetic Aperture Radar
SARR Space Absolute Radiometric Reference
SARVI Atmosphere Resistant Vegetation Index
SASS Seasat-A Scatterometer System
SATEM SATellite TEMperature (WMO code for temperature data)
SatRep Satellite Report
SAVI Soil Adjusted Vegetation Index
SBUV Solar Backscatter Ultraviolet radiometer
SC Snow Cover (Land SAF product)
SCANDIA SMHI Cloud Analysis model using Digital AVHRR data
ScaRaB Scanner for Earth's Radiation Budget
SCIAMACHY Scanning Imaging Absorption Spectrometer for Atmospheric Cartography (instrument on ENVISAT)
SCM Spatial Coherence Method
SEASAT SEA SATellite (launched on 27 June 1978 on behalf of NASA/JPL dedicated to ice and ocean monitoring)
SeaWinds Scatterometer system to be flown on QuikSCAT and ADEOS-2
SEM Space Environment Monitor
SEVIRI Spinning Enhanced Visible InfraRed Imager
SG Steering Group
SIGMET SIGnificant METeorological weather chart
SIRR System/Software Integration Readiness Review
SIVVRR System/Software Integration Verification and Validation Results Review
SM Soil Moisture
SMAC Simplified Method for Atmospheric Correction
SMHI Swedish Meteorological and Hydrological Institute
SNR Signal-to-Noise Ratio
SODA Studies for Ozone Data Assimilation (EU project)
SOW Statement of Work
SP Science Plan
SPU Software Package Unit
SRB Surface Radiation Budget
SRD Software/System Requirements Document
SSI Surface Solar Irradiance
SSM/I Special Sensor Microwave/Image (on DMSP satellite)
SSP Sub-Satellite Point
SSS Scatterometer Simulator System
SST Sea Surface Temperature
SSU Stratospheric Sounding Unit
STG Scientific and Technical Group (of EUMETSAT)
SUVDAMA Scientific UV DAta MAnagement
SVM Service Module
SV&VP System/Software Verification & Validation Plan
SW Short-Wave
SWG Science Working Group (of EUMETSAT)
Synop SYNOPtical observations
TBC To Be Confirmed
TBD To Be Defined
TBR To Be Reviewed
TC Tropical Cyclone
TFP Thermal Front Parameter
TH Tropospheric Humidity (MSG MPEF Product)
TIP TIROS Information Processor
TIROS Television Infra-Red Observing Satellite
TM TeleMetry
TM Thematic Mapper
TOA Top Of the Atmosphere
TOMS Total Ozone Mapping Spectrometer
TOPEX/POSEIDON TOPography EXperiment satellite (launched on 10 August 1992 on behalf of NASA and CNES dedicated to the monitoring of ocean circulation)
TOVS TIROS Operational Vertical Sounder
TOZ Total OZone (MSG MPEF product)
TPW Total Precipitable Water (Nowcasting SAF product)
TWV Total Water Vapour
UA University of the Aegean (Athens, Greece)
UBR University of BRemen (Bremen, Germany)
UBO University of BOnn (Bonn, Germany)
UE University of Evora (Evora, Portugal)
UHF Ultra-High Frequency
UICD Unique Instrument interface Control Document
UIIS Unique Instrument Interface Specification
UKMO Met Office of the United Kingdom
U-MARF Unified-Meteorological Archive and Retrieval Facility
UNEP United Nations Environment Programme
URD User Requirements Document
URL Universal Resource Locator (Internet address)
UT Aristotle University of Thessaloniki (Thessaloniki, Greece)
UTC Universal Time Coordinated
UTH Upper Tropospheric Humidity (MTP MPEF product)
UTM Universal Transverse Mercator projection system
UV Ultraviolet
UV University of Valencia (Valencia, Spain)
VAS VISSR Atmospheric Sounder
VCDU Virtual Channel Data Unit
VHF Very High Frequency
VIRSR Visible and Infrared Scanning Radiometer
VIS/IR Visible / Infrared
VISSR Visible and Infrared Spin-Scan Radiometer
VNIR Visible and Near Infrared
VS Visiting Scientist
VSRF Very Short Range Forecasting
VUB Free University of Brussels (Brussels, Belgium)
WAM WAve Model
WCDMP World Climate Data and Monitoring Programme
WCRP World Climate Research Programme
WGS-84 World Geodetic System, 1984 (standard ellipsoid used for GPS)
WHO WOCE Hydrographic Programme
WMO World Meteorological Organization (Geneva, Switzerland)
WOCE World Ocean Circulation Experiment (of the World Climate Research Program)
WOUDC World Ozone and Ultraviolet Data Center
WRDC World Radiation Data Centre
WRMC World Radiation Monitoring Centre (Zürich)
WSC Wind SCatterometer
WV Water Vapour
WWW World Weather Watch (WMO)
WWW World Wide Web (Internet)
ZAMG Zentralanstalt für Meteorologie und Geodynamik (Austrian National Meteorological Service)



Ocean and Sea Ice SAF Network

SAF Network Overall Architecture - OSI SAF Map

Land Surface Analysis SAF Network

SAF Network Overall Architecture - LSA SAF Map

Nowcasting and Very-Short-Range Forecasting SAF Network

SAF Network Overall Architecture - NWC SAF Map

Climate Monitoring SAF Network

SAF Network Overall Architecture - CLM SAF Map

ROM Meteorology SAF Network

SAF Network Overall Architecture - ROM SAF Map

Ozone and Atmospheric Chemistry Monitoring SAF Network

SAF Network Overall Architecture - O3M SAF Map

OSI SAF Operational Service Architecture (Sub-System 1)

SAF Network Overall Architecture - OSI SAF Subsystem 1

OSI SAF Operational Service Architecture (Sub-System 2)

SAF Network Overall Architecture - OSI SAF Subsystem 2

OSI SAF Operational Service Architecture (Sub-System 3)

SAF Network Overall Architecture - OSI SAF Subsystem 3

LSA SAF Operational Service Architecture

SAF Network Overall Architecture - LSA SAF Subsystem

NWC SAF Software Architecture (MSG part)

SAF Network Overall Architecture - NWC SAF Subsystem

NWC SAF Software Architecture (EPS part)

SAF Network Overall Architecture - NWC SAF Subsystem

CLM SAF Operational Service Architecture (Subsystem 1)

SAF Network Overall Architecture - CLM SAF Subsystem

CLM SAF Operational Service Architecture (Subsystem 2)

SAF Network Overall Architecture - CLM SAF Subsystem

ROM SAF Service Architecture

SAF Network Overall Architecture - ROM SAF Subsystem

O3M SAF Service Architecture (Subsystem 1)

SAF Network Overall Architecture - O3M SAF Subsystem

O3M SAF Service Architecture (Subsystem 2)

SAF Network Overall Architecture - O3M SAF Subsystem

O3M SAF Service Architecture (Subsystem 3)

SAF Network Overall Architecture - O3M SAF Subsystem

O3M SAF Service Architecture (Subsystem 4)

SAF Network Overall Architecture - O3M SAF Subsystem

Based on assessed user needs, the SAF User Requirements are established and implemented into a Technical Specification and Design baseline, in line with scientific assessments and plans.

SAF Requirements Engineering Process

The SAF design is refined down to the identified developmental components. Pre-developments and scientific prototyping take place to confirm the baseline and prepare for full engineering of the SAF products. Plans for verifications and validations, as well as for SAF configuration management, are also consolidated.

SAF Design Engineering Process

The identified SAF components are developed, or made available, as reused items. The SAF components are individually integrated and tested. Preparation for the SAF system level integration follows.

SAF Engineering Process

A Verification and Validation Results Review takes place at the end of this process.

SAF Preparation for Operation

Following the validation of the SAF products, the SAF infrastructure is prepared for supporting operations. An operation readiness review takes place prior to starting provision of services to users.

SAF Validation Process

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