System Requirement Document (SRD) - H-SAF

H-SAFSystem Requirement DocumentDoc. No: SAF/HSAF/SRD/2.1Issue: Version 2.1Date: 20/06/2008Page: 24/1022.4 System OverviewThe H-SAF architecture is based on:data production centres (in Italy, Austria + ECMWF, Finland + Turkey), that:1. acquire satellite data, mainly via direct reception (RT) or EUMETCast (NRT);2. generate the H-SAF products also with support of:local databasesother SAF’s productslocally available auxiliary/ancillary dataNWP model and climatology data.a structure for hydrological validation of all products and for generation of validationreports, physically distributed among seven countries and centrally managed andcoordinated by Poland as stated in [AD 2]existing dedicated communication networks (regional branches of the WMO GlobalTelecommunication System, dissemination system based on connection withEUMETSAT for re-distribution via EUMETCast) for immediate dissemination ofproducts versus operational end-users that are:o Meteorological services;o Hydrological services;o Civil Protection units.a structure, sited in Italy (CNMCA), for product centralization and archiving of allgenerated products and for their dissemination to scientific end-users based on a H-SAF archive connected to the EUMETSAT U-MARF via a U-MARF client.The UML Composite Structure Diagram of H-SAF system decomposition is here reported(Figure 1)