PUM for products PR-ASS-1 - H-SAF
Contents
1. 1998 nw a ys wi En E lt sees Numerical Smoothing WAX Rayleigh damping layer at upper boundary 4th order linear horizontal diffusion with option for a monotonic version including an orographic limiter 3 D divergence damping and off centering in split steps Lateral Boundaries 1 way nesting using the lateral boundary formulation to Davies and Turner 1977 Initialization Diabatic digital filtering initialization scheme Lynch et al 1997 Grid Scale Clouds and Precipitation e Cloud water formation dissipation by saturation adjustment Precipitation formation by a bulk parameterization including water vapour cloud water cloud ice rain and snow as hydrometeor categories Doms 2002 Baldauf and Schultz 2004 Reinhardt and Seifert 2006 Optionally two layer soil model after Jacobsen and Heise 1984 with Penman Monteith type transpiration Snow and interception storage are included Climate values changing monthly but fixed during forecast in third layer Fig 06 COSMO ME model formulation and current area coverage The role of PR ASS 1 is to provide a background precipitation field regular in space and time unlike satellite derived observations that are available at changing times and locations depending on the specific orbit The product has been developed is operationally running and is being progressively improved at CNMCA It is a best effort product e g the covered area as shown in Fig 06 and t2. Manual 31 August 2010 PUIV O6 Product PR ASS 1 Page 17 3 Product operational characteristics 3 1 Horizontal resolution and sampling The horizontal resolution Ax is the convolution of several features sampling distance degree of independence of the information relative to nearby samples To simplify matters it is generally agreed to refer to the sampling distance between two successive product values assuming that they carry forward reasonably independent information For a product generated by a NWP model very often the resolution is quoted as the grid mesh 7 km for COSMO ME but this is not correct The model describes the evolution of waves and the accuracy of description depends on the specific parameter For precipitation the scale of motion correctly described by COSMO ME is several tens of kilometres It is estimated that the resolution in terms of motion scale correctly represented in the model is Ax 30 km Sampling interval is 7 km the grid mesh 3 2 Vertical resolution if applicable The vertical resolution 4z also is defined by referring to the vertical sampling distance between two successive product values assuming that they carry forward reasonably independent information In H SAF the only product with vertical structure is SM ASS 1 Volumetric soil moisture 3 3 Observing cycle and sampling time The observing cycle At is defined as the average time interval between two measurements over the sam
3. FAR z 1 mm PaRi oaol op os 048 osr o S N of T 1 122 479 1 384 a7 1 307 z 1 587 7 5 402 a ME mm ME mm iar is6 096 158 Ar POD 2 1 mm FAR 2 1 mm Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 20 5 Product availability 5 1 Site PR ASS 1 will be available via EUMETCast when authorized and via FTP after log in The current access is via FTP at the following site e URL ftp ftp meteoam it e username hsaf e password 00OHsaf In the FTP site there are three relevant directories e products for near real time dissemination e reprocess_year for previous months e utilities for providing decoding tools 5 2 Directory products In this directory the products appear shortly after generation consistently with the timeliness requirement They are kept available for nominally 1 2 months often more Quick looks of the latest set of 5 PR ASS 1 maps rate and accumulated over 3 6 12 and 24 h can be viewed on the H SAF web site e http www meteoam it modules php name hsaf e directory products sub directory precipitation ID satelliti password satelliti 5 3 Directory reprocessed _year Currently reprocessed 2010 This directory holds the data of the previous months minimum six processed or reprocessed by the same software release as in products 1 e the latest release Older data are stored in the permanent H SAF archive and ca
4. Number Name Contents 0 Indicator GRIB Discipline GRIB Edition number length of message 1 Product definition section Length of section section number characteristics of containing data 2 Grid description section Length of section section number definition of grid surface and geometry 3 Bit map section Length of section section number bitmap 4 Data section Length of section section number data 5 End Section TATA The beginning and the end of the code shall be identified by 4 octets coded according to the International Alphabet No 5 to represent the indicators GRIB and 7777 in Indicator Section 0 and End Section 5 respectively All other octets included in the code shall represent data in binary form In the followings the GRIB keys that are significant for the product and their assigned values Section 0 GRIB editionNumber 1 GRIB edition number I Section 1 centre 80 Rome RSMC Common Code Table C 11 table2 Version 2 Current operational version number 3 Code Table 1 0 indicatorOfParameter 59 Precipitation rate for the precipitation rate 61 Total precipitation for the accumulated precipitation indicatorOfTypeOfLevel 1 Surface year Year of reference time month Month of reference time day Day of reference time hour Hour of reference time minute Minute of reference time second 0 Actually indication for seconds fixed at 0 ste
5. Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 1 The EUMETSAT Network of Satellite Application Facilities Support to Operational Hydrology and Water Management Italian Meteorological Service Italian Department of Civil Defence H SAF Product User Manual PUM PR ASS 1 Instantaneous and accumulated precipitation at ground computed by a NWP model ZAMG RM _ SYKE amp eae ia TT E Royal Meteorological European Centre for Medium Range Finnish Meteorological Finnish Environment Helsinki University Geodynamik und Fernerkundung Institute of Belgium Weather Forecasts Institute Institute of Technology r Y Bundesanstalt fiir 3 D LATM S Mesco bfgm gt A CNR Istituto Scienze an CNRS Laboratoire Atmosph res CNRS Centre d Etudes Bundesanstalt f r Hungarian j PREEN pee nialice Milieux Observations Spatiales Spatiales de la BlOsphere Gewasserkunde Meteorological Service a b a Univers hadi Femara E a a a a a ah ar ee Pu nF el gl el Institute of Meteorology Romania National Slovak Hydro Meteorological Turkish State Middle East Technical Istanbul Technical a and Water Management Meteorological Administration Insti AAGOT SKEI tute Meteorological Service University University 31 August 2010 Product User Manual 31 August 2010 PUM 06 Product PR ASS 1 H SAF Product User Manual PUM 06 Product PR ASS 1 Page 2 Instantaneous and accumulated precipitation at groun
6. Report for full recount of the validation activity both the evolution and the latest results These documents are structured as this PUM 1 e one document for each product They can be retrieved from the CNMCA site e ftp ftp meteoam it username hsaf password OOHsaf directory hsaf folder Final Report Development Phase On the same site it 1s interesting to consult although not closely connected to this PUM the full reporting on hydrological validation experiments impact studies e HVR Hydrological Validation Report spread in 10 Parts first one on requirements tools and models then 8 each one for one participating country and a last Part with overall statements on the impact of H SAF products in Hydrology 1 6 Relevant staff associated to the User Service and to product PR ASS 1 Table 04 records the names of the persons associated to the development and operation of the User service and of product PR ASS 1 Table 04 Relevant persons associated to the User service and to product PR ASS 1 User service e opmer and operation Centro Nazionale di Meteorologia e Hal So it Climatologia Aeronautica CNMCA y icoppdlagimetecam t _ meteoam it gleonforte meteoam it Product Development Team Lucio Torrisi Leader Centro Nazionale di Meteorologia e a torrisi meteoam it David Palella Climatologia Aeronautica CNMCA Product Operations Team Francesco Zauli Leader Centro Nazionale di Meteorologia e m
7. Tourism information emergencies Warning for agricultural works Assistance to aviation during and crop protection take off and landing climate Miaon Gerea Montoring of ceserteton Mrinal xenon eee Circulation Models Ene planetary albedo Progressive level of attention Monitoring soil moisture Monitor lati function of rainfall monitoring growth res n e Preparation for emergencies Preparation of facilities and Planning of in field activities for Planning of in field activities for Staff for a possible emergency event mitigation event mitigation Civil defence Emergency Operational conditions for Operational conditions for management Alert to population transport and use of staff and transport and use of staff and mitigation facilities mitigation facilities De ranking of alert level and mitigation facilities mitigation facilities possible event iteration to possible event iteration Assessment of the role of Assessment of the role of M precipitation process observed soil moisture in eteorology observed snow parameters in Assimilation of precipitation NWP either for verification or NWP either for verification or observation in NWP models initialisation initialisation Downscaling upscaling of Downscaling upscaling of Research amp satellite precipitation satellite soil moisture development observations observations observations ground based observations ground based observations Assimilation
8. and impact Assimilation and impact Assimilation and impact studies studies studies Civil defence Decisional models for the alert Organisational models for Organisational models for system operating over moist soil operating over snow 1 3 Evolution of H SAF products units Post emergency phase Downscaling upscaling of satellite snow observations One special requirement of the H SAF work plan was that the Hydrological validation programme that started downstream of products availability lasts for a sufficient time There was therefore a need to make available as soon as possible at least part of the products accepting that their status of consolidation was still incomplete the quality was not yet the best and the characterisation was still poor due to limited validation According to EUMETSAT definitions the status of development of a product is qualified as in Table 03 Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 9 Table 03 Definition of the development status of a product according to EUMETSAT In development Products or software packages that are in development and not yet available to users Products or software packages that are provided to users without any commitment on the quality or Demonstrational availability of the service and have been considered by the relevant Steering Group to be useful to be disseminated in order to enabling users to test the product and to pr
9. ation feedback Specific rain content qr Turbulent Diffusion Specifi tent a A tn a e Level 2 5 scheme with a prognostic treatment of turbulent kinetic energy oy effects of subgrid scale condensation and evaporation are included Optionally specific graupel content i R ii a9 e Optionally diagnostic K closure at hierarchy level 2 for vertical diffusion Coordinate System d e Rotated geographical lat lon coordinate system horizontally epee eedie OrOgrapay e Generalized terrain following height coordinate vertically e Blocked flow and gravity wave drag Lott and Miller 1997 Grid Structure Surface Layer e Arakawa C grid Lorenz vertical grid staggering Set sie el anes kinetic energy includes effects from subgrid scale thermal circulations e Optionally constant flux layer parameterization Spatial Discretization e Second order horizontal and vertical differencing centred Soil Processes Time Integration oe e Multi layer soil model including freezing of soil water Schrodin and Heise e 3 time level Leapfrog split explicit using extensions proposed by 2001 Skamarock and Klemp 1992 Additional Options 2 time level Runge Kutta 3rd order scheme regular or TVD with various options for high order spatial discretization Forstner and Doms 2004 3time level semi implicit scheme Thomas et al 2000 Current area coverage 2 time level Runge Kutta 2nd order split explicit scheme Wicker and Skamarock
10. ck scanners at about 100 min intervals Swaths intercepting the acquisition range of direct read out stations provide data in few minutes for swaths outside the acquisition range the delay may be several tens of minutes if the satellite instrument data are part of the EARS EUMETCast broadcast some hours otherwise e g by ftp The time resolution observing cycle is controlled by the number of satellites concurring to perform the observation and the instrument swath Fig 04 Required H SAF coverage 25 75 N lat 25 W 45 E 1 4 2 Data circulation and management Fig 05 shows the data circulation scheme in H SAF All products from the generating centres are concentrated at CNMCA except that certain can go directly to the user by dedicated links example GTS Global Telecommunication System connecting operational meteorological services From CNMCA the data are sent to EUMETSAT to be broadcast by EUMETCast in near real time All data also go to the H SAF Archive where they can be accessed through the EUMETSAT Data Centre via a Client Therefore the H SAF products may be accessed EUMETSAT 4 HQ area e via EUMETCas
11. consists of five figures at 3 hour intervals e the precipitation rate and e the accumulated precipitation over the previous 3 6 12 and 24 hours The product is disseminated to the Users by FTP and also intended to be utilised internally in support of other H SAF products especially PR OBS 5 Accumulated precipitation at ground by blended MW and IR for constraining the output in order to reduce biases not yet implemented Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 16 2 4 Product coverage and appearance Fig 09 and Fig 10 show examples of PR ASS 1 products a 24 hour accumulated precipitation map and a map of instantaneous precipitation respectively It is noted that the product does not cover the full H SAF area However the area will be progressively extended in the course of CDOP Maps are in equal latitude longitude projection The products result from the forecasting run started at a To conveniently in advance so as to enable the output to be sufficiently stabilised The accumulated precipitation in the first figure refers to the previous 24 h Tuesday 20 April 2010 OOUTC ROME COSMO we ah shina accumulated f sini snes in the past 24h mm nA 20 April 2010 OOUTC ROME COSMO ME 7km precipitation rate mm h lt Sep an F Fig 10 Instantaneous precipitation from COSMO ME for 20 Apr 2010 00 UTC Forecast run initialised at 00 UTC of 19 Apr 2010 Product User
12. d computed by a NWP model INDEX Acronyms L Introduction to H SAF 1 1 The EUMETSAT Satellite Application Facilities 1 2 H SAF Objectives and products 1 3 Evolution of H SAF products 1 4 User service 1 4 1 Product coverage 1 4 2 Data circulation and management 1 4 3 The H SAF web site 1 4 4 The Help desk 1 5 The Products User Manual and its linkage with other documents 1 6 Relevant staff associated to the User Service and to product PR ASS 1 2 Introduction to product PR ASS 1 a Principle of the product 2 2 Highlights of the algorithm 23 Architecture of the products generation chain 2 4 Product coverage and appearance 3 Product operational characteristics 3 1 Horizontal resolution and sampling 3 2 Vertical resolution if applicable 3 3 Observing cycle and sampling time 3 4 Timeliness 4 Product validation 4 1 Validation strategy 4 2 Summary of results 5 Product availability sM Site 5 2 Directory products 5 3 Directory reprocessed _year 5 4 Directory utilities 5 5 Formats and codes 5 6 Description of the files 5 7 Condition for use Appendix PR ASS 1 Output description Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page List of Tables Table 01 List of H SAF products Table 02 User community addressed by H SAF products Table 03 Definition of the development status of a product according to EUMETSAT Table 04 Relevant persons associated to the Us
13. e Monitoring Prediction GRAS Meteorology Land Surface Analysis amp Water Management Fig 02 Current composition of the EUMETSAT SAF network in order of establishment 1 2 H SAF objectives and products The EUMETSAT Satellite Application Facility on Support to Operational Hydrology and Water Management H SAF was established by the EUMETSAT Council on 3 July 2005 Its Development Phase started on 1 September 2005 and ends on 31 August 2010 The work programme makes distinction between two Phases e Phase 1 products development prototypes generation preliminary validation e Phase 2 regular production extended validation hydrological validation The H SAF objectives are a to provide new satellite derived products from existing and future satellites with sufficient time and space resolution to satisfy the needs of operational hydrology identified products e precipitation liquid solid rate accumulated Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 7 e soil moisture at large scale at local scale at surface in the roots region e snow parameters detection cover melting conditions water equivalent b to perform independent validation of the usefulness of the new products for fighting against floods landslides avalanches and evaluating water resources the activity includes downscaling upscaling modelling from observed predicted fields to basin level fusion of satellite deriv
14. e area In the case of PR ASS 1 that is generated by a NWP model the concept is not applicable because the observations utilised in the model may have been taken long before In addition the model output is controlled by the main predictive parameters profiles of wind temperature and humidity whereas the observation of precipitation is not directly assimilated It is therefore appropriate to adopt as observing cycle that one associated to the number of runs day For COSMO ME there are currently two runs day at 00 and 12 UTC therefore it 1s correct to quote an observing cycle At 12 h to be reduced to At 6 h in the near future when runs at 06 and 18 UTC will be added All products are outputted at 3 hour intervals that therefore represents the sampling time 3 4 Timeliness The timeliness 6 is defined as the time between observation taking and product available at the user site assuming a defined dissemination mean In the case of a forecast product the usual definition of timeliness does not apply Rather timeliness is intended as the difference between the nominal time of the run start and the availability of forecast products inclusive of the window cut off for observation collection analysis initialisation processing and output stabilisation For COSMO ME this is currently 0 4h Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 18 4 Product validation 4 1 Validation strategy Whereas the previous operat
15. ed measurements with data from radar and raingauge networks assimilation of satellite derived products in hydrological models assessment of the impact of the new satellite derived products on hydrological applications This document the PUM Product User Manual is concerned only with the satellite derived products The list of products to be generated by H SAF is shown in Table 01 Table 01 List of H SAF products H05 09 H13 SN OBS 4 Snow water equivalent by MW radiometry The work of products generation is shared in the H SAF Consortium as follows e Precipitation products pre fix PR are generated in Italy by the CNMCA close to Rome e CNMCA also manages the Central Archive and the Data service e Soil moisture products pre fix SM are generated in Austria by ZAMG in Vienna and at ECMWF all derive from a Global surface soil moisture generated by EUMETSAT and transmitted worldwide via EUMETCast e ZAMG extracts SM OBS 1 covering the H SAF area from the EUMETSAT Global product and generates SM OBS 2 by disaggregating SM OBS 1 e ECMWE generates a Global volumetric soil moisture by assimilating the EUMETSAT Global product and distributes its worldwide according to its data policy then extracts SM ASS 1 covering the H SAF area e Snow products pre fix SN are generated in Finland by FMI in Helsinki and in Turkey by TSMS in Ankara Products from FMI and TSMS cover the full H SAF area but then they are merged i
16. er service and to product PR ASS 1 Table 05 Abstract of validation results for products PR ASS 1 Validation tools radar and gauge Table 06 Summary instructions for accessing PR ASS 1 data List of Figures Fig 01 Conceptual scheme of the EUMETSAT application ground segment Fig 02 Current composition of the EUMETSAT SAF network in order of establishment Fig 03 Logic of the incremental development scheme Fig 04 Required H SAF coverage 25 75 N lat 25 W 45 E Fig 05 H SAF central archive and distribution facilities Fig 06 COSMO ME model formulation and current area coverage Fig 07 Cloud microphysical processes considered in the two category ice scheme Fig 08 Products generation chain for PR ASS 1 Fig 09 24 hour accumulated precipitation from COSMO ME for 5 Feb 2008 00 UTC Forecast run initialised at 00 UTC of 4 Feb 2008 Fig 10 Instantaneous precipitation from COSMO ME for 5 Feb 2008 00 UTC Forecast run initialised at 00 UTC of 4 Feb 2008 Fig 11 Structure of the Precipitation products validation team 07 08 12 19 21 06 06 09 10 10 13 14 15 16 16 18 Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 4 Acronyms ATDD Algorithms Theoretical Definition Document AU Anadolu University in Turkey BfG Bundesanstalt fur Gewasserkunde in Germany CAF Central Application Facility of EUMETSAT CC Correlation Coefficient CDOP Continuous Development Ope
17. f zauli meteoam it rercucec meteoamit __ it palella meteoam it d dmetgmetoomi __ it d biron meteoamit Davide Melfi Climatologia Aeronautica CNMCA Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 13 2 Introduction to product PR ASS 1 2 1 Principle of the product Product PR ASS 1 Instantaneous and accumulated precipitation at ground computed by a NWP model is the output of the operational COSMO ME NWP model in use at CNMCA Its main characteristics are shown in Fig 06 Model Equations Subgrid Scale Clouds e Basic hydro thermodynamical equations in advection form e Subgrid scale cloudiness fractional cloud cover is interpreted by an e no scale approximations i e fully compressible and non hydrostatic empirical function depending on relative humidity A corresponding cloud e substraction of horizontally homogeneous basic state at rest water content is also diagnosed Prognostic Variables Moist Convection Horizontal and vertical wind components u v w e Mass flux convection scheme after Tiedtke 1989 with closure based on Temperature T moisture convergence Pressure perturbation p deviation from the reference state e Option for a modified closure based on CAPE Specific humidity qv Radiation Specific cloud water content qc e 5 two stream radiation scheme based on Ritter and Geylen 1989 for Specific cloud ice content qi short and longwave fluxes full cloud radi
18. he number of runs day will not meet H SAF requirement by the end of the Development Phase but it 1s a fully operational product Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 14 2 2 Highlights of the algorithm The baseline algorithm for PR ASS 1 processing is described in ATDD 06 Only essential elements are highlighted here Fig 07 illustrates the module that most concerns the precipitation products the so called two category ice scheme Doms 2002 Baldauf and Schultz 2004 This parameterization considers water vapour cloud water cloud ice rain and snow as prognostic variables in the hydrological cycle and allows for the simulation of precipitation formation in water mixed phase and ice clouds In the near future a three category ice scheme Reinhardt and Seifert 2006 comprising graupel will be implemented autoc by collection autoc by deposition aggregation sedimentation Da y a a mers AA canes manent ia a RO eae eee E es Fig 07 Cloud microphysical processes considered in the two category ice scheme The COSMO ME model having a 7 km grid spacing uses a cumulus parameterization in particular the Tiedtke mass flux scheme is switched on In the mass flux schemes the effects of the clouds on the resolvable scale variables are parameterized in terms of the convective mass fluxes and the convection is assumed to influence the environment through environmental subsidence and detrainment a
19. i_rom png yyyymm year month SS O yyyymm year month yyyymmdd year month day hh nominal synoptic hour to which the product refers 00 03 06 09 12 15 18 21 UTC ji integration interval 00 i e instantaneous precipitation and previous 03 06 12 or 24 hours 5 7 Condition for use All H SAF products are owned by EUMETSAT and the EUMETSAT SAF Data Policy applies They are available for all users free of charge Users should recognise the respective roles of EUMETSAT the H SAF Leading Entity and the H SAF Consortium when publishing results that are based on H SAF products EUMETSAT s ownership of and intellectual property rights into the SAF data and products is best safeguarded by simply displaying the words EUMETSAT under each of the SAF data and products shown in a publication or website See Appendix PR ASS 1 Output description Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 22 Appendix PR ASS 1 Output description The PR ASS1 products are the precipitation rate and the accumulated precipitation over the previous 3 6 12 and 24 hours obtained by COSMO ME numerical model They are encoded in GRIB1 as described in World GRIB is the name of a data representation form for general regularly distributed information in binary encoded in keys and as a continuous bit stream made of a sequence of octets 1 octet 8 bits that could be grouped in sections Section Section Section
20. ional characteristics have been evaluated on the base of the COSMO ME model characteristics and its operational features the evaluation of accuracy requires validation 1 e comparison with the ground truth or with something assumed as true PR ASS 1 as any other H SAF product has been submitted to validation entrusted to a number of institutes see Fig 11 BfG Fig 11 Structure of the Precipitation products validation team Slovakia SHMU Precipitation data have been compared with rain gauges and meteorological radar Before undertaking comparison ground data and model grid data have been submitted to scaling and filtering procedures Two streams of activities were carried out e evaluation of general statistics multi categorical and continuous to help in identifying existence of pathological behaviour e selected case studies useful in identifying the roots of such behaviour Detailed report of the product validation activity for product PR ASS 1 is provided as document e PVR 06 Product Validation Report for PR ASS 1 In this PUM 06 only summary results are provided mainly aiming at characterising the seasonal variability of the product quality 4 2 Summary of results Products PR ASS 1 have been available for H SAF purposes since early 2008 and since then have been regularly distributed PR ASS 1 actually provides five products each set extracted each three hours e precipitation rate and accumulated
21. ity in Turkey LATMOS Laboratoire Atmospheres Milieux Observations Spatiales of CNRS in France LEO Low Earth Orbit LSA SAF SAF on Land Surface Analysis ME Mean Error M t o France National Meteorological Service of France METU Middle East Technical University in Turkey MW Micro Wave NMA National Meteorological Administration of Romania NOAA National Oceanic and Atmospheric Administration Agency and satellite NWC SAF SAF in support to Nowcasting amp Very Short Range Forecasting NWP Numerical Weather Prediction NWP SAF SAF on Numerical Weather Prediction O3M SAF SAF on Ozone and Atmospheric Chemistry Monitoring OMSZ Hungarian Meteorological Service Product User Manual 31 August 2010 PUIM 06 Product PR ASS 1 ORR OSI SAF PNG POD PP PUM PVR RMI RMS RMSE SAF SD SHMU SYKE TKK TSMS TU Wien U MARF UniFe URD URL UTC VIS ZAMG Operations Readiness Review SAF on Ocean and Sea Ice Portable Network Graphics Probability of Detection Project Plan Product User Manual Product Validation Report Royal Meteorological Institute of Belgium alternative of IRM Root Mean Square Root Mean Square Error Satellite Application Facility Standard Deviation Slovak Hydro Meteorological Institute Suomen ymparistokeskus Finnish Environment Institute Teknillinen korkeakoulu Helsinki University of Technology Turkish State Meteorological Service Technische Universitat Wien in Austria Unified Mete
22. n FMI in such a way that the flat and forested areas stem from the FMI product the mountainous ones from the TSMS product Exception product SN OBS 2 is only generated by FMI Table 02 deploys the user community addressed by H SAF products Product User Manual 31 August 2010 PUIV O6 Product PR ASS 1 Page 8 Table 02 User community addressed by H SAF products Fluvial basins Early warning of potential Landslides and flash flood Evaluation of flood damping or management floods forecasting enhancing factors Extreme events statistics and oaii Dimes and exploitation of snow Operational Territory hydrological risk mapping Soil characterisation and and glaciers for river regime hydrological t hydrol i ae ete y g managemen S ible WoR PANAN ydrological response units regularisation Water roe Dimes and exploitation of snow Inventory of potential stored Monitoring of available water to reservoirs i and glaciers for drinkable water water resources sustain vegetation aie evaluation and irrigation Assimilation to represent Numerical latent heat release inside the Input of latent heat by imnpukorradiative hearteln Weather atmosphere evapotranspiration through the P Prediction Planetary Boundary Layer SU ace to atmosphere skill Public information on actual National Warning of avalanches mete ere ogicet Warning for fishery and coastal Warming on the status of the wa services Nowcasting territory for transport in
23. n be recovered on request 5 4 Directory utilities This directory provides tools to decode and manage the digital data 5 5 Formats and codes Two type of files are provided for PR ASS 1 e the digital data coded in GRIB1 e the image like maps coded in PNG In the directory utilities the folder gribl_decode provides the instructions for reading the digital data In addition the output description of PR ASS 1 is provided in Appendix 5 6 Description of the files Current data e Directory products e Sub directory h06 e Two folders h06 cur mon grb h06 cur mon png Recent past data e Directory reprocess_year e Sub directory h06 Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 21 e Monthly folders of two sub folders e h06 yyyymm grb e h06 yyyymm png In both directories products and reprocess the files have identical structures Table 13 summarises the situation and provides the information on the file structure including the legenda Table 06 Summary instructions for accessing PR ASS 1 data URL ftp fto meteoam it password OOHsaf Directory products Product identifier h06 Directory reorocess_year Product identifier h06 hO6_cur_mon_grb_ h06 _yyyymm grb MEE LELE ne data of current months MORTA LUE e data of previous months hO6_cur_mon_png hO6_yyyymm_png Files description h06_yyyymmdd_hh_ii_rom grb digital data for both directories hO6_yyyymmdd_hh_i
24. n validation campaigns etc indication of useful links specifically with other SAF s an area for Frequently Asked Questions FAQ to alleviate the load on the Help desk The web site supports operations by providing daily schedule of H SAF product distribution administrative messages on changes of product version new algorithms etc The web site contains some basic H SAF documents the ATDD Algorithms Theoretical Definition Document this Product User Manual However most working documents REP 3 Report of the Products Validation Programme REP 4 Report of the Hydrological Validation Programme etc programmatic documents PP Project Plan URD User Requirements Documents etc and engineering documents are to be found in the CNMCA ftp server restricted access see later for the URL It is noted that certain areas of the web sites are protected by an ID satelliti and a password again satelliti 1 4 4 The Help desk For any question that cannot be solved by consulting the web site specifically the FAQ area the following Help desk is available e hsaf user support lt us_hsaf meteoam it gt When addressing the Help desk the user should specify in the Subject one of the following codes MAN management PRE precipitation SOM soil moisture SNO snow HYD hydrology ARC archive GEN general 1 5 The Products User Manual and its linkage to other d
25. ocuments Product User Manuals are available for each pre operational H SAF product for open users and also for demonstrational products as necessary for beta users Each PUM repeats e Chapter 1 this Introduction that includes common information on Objectives and products Evolution of H SAF products User service and Guide to the Products User Manual followed by Chapters specific to each product e Chapter 2 that introduces the specific product Principle of sensing Satellites utilized Instrument s description Highlights of the algorithm Architecture of the products generation chain Product coverage and appearance Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 12 e Chapter 3 that describes the main product operational characteristics Horizontal resolution and sampling Vertical resolution if applicable only for SM ASS 1 Observing cycle and time sampling Timeliness e Chapter 4 that provides an overview of the product validation activity Validation strategy Global Statistics Product characterisation e Chapter 5 that provides basic information on product availability Access modes Description of the code Description of the file structure Although reasonably self standing the PUM s rely on other documents for further details Specifically e ATDD Algorithms Theoretical Definition Document for extensive details on the algorithms only highlighted here e PVR Product Validation
26. orological Archive and Retrieval Facility University of Ferrara in Italy User Requirements Document Uniform Resource Locator Universal Coordinated Time Visible Zentralanstalt f r Meteorologie und Geodynamik of Austria Page 5 Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 6 1 Introduction to H SAF 1 1 The EUMETSAT Satellite Application Facilities H SAF is part of the distributed application ground segment of the European Organisation for the Exploitation of Meteorological Satellites EUMETSAT The application ground segment consists of a Central Application Facility CAF and a network of eight Satellite Application Facilities SAFs dedicated to development and operational activities to provide satellite derived data to support specific user communities See Fig 01 EUM Geostationary uel Gant EUM NOAA other data Systems re Cooperation sources Meteorological Products Archive amp Retrieval Extraction Facility Data Centre Satellite Application EUMETSAT HQ EUMETSAT HQ Facilities SAFs Fig 01 Conceptual scheme of the EUMETSAT application ground segment Fig 02 reminds the current composition of the EUMETSAT SAF network in order of establishment ee O3M SAF CM SAF NWP SAF GRAS SAF e H SAF Nowcasting amp Very Ozone amp Atmospheric ae Numerical Weather Operational Hydrology Short Range Forecasting Ocean and Sea Ice Chemistry Monitoring Climat
27. ovide feedback Products or software packages with documented limitations that are able to satisfy the majority of Pre operational applicable requirements and or have been considered by the relevant Steering Group suitable for distribution to users Products or software packages with documented non relevant limitations that largely satisfy the Operational requirements applicable and or have been considered by the relevant Steering Group mature enough for distribution to users The need for early release of products to activate the Hydrological validation programme as soon as possible led to define a stepwise approach for H SAF products development This is shown in Fig 03 SS a Products Demonstrational Pre operational See Prototypes in development products products Special Limited distribution Progressively Open Open distribution to beta users open distribution distribution distribution Fig 03 Logic of the incremental development scheme The time reference for this work plan is as follows e after approximately two years from the start of the Project i e starting from the nominal date of 1 January 2008 a substantial fraction of the products listed in Table 01 are released first as in development and then after as soon as some validation is performed as demonstrational e in the remaining th
28. pUnits 1 Hour timeRangelndicator 0 Uninitialized analysis product for reference time for the precipitation rate 4 Accumulation reference time PI to reference time P2 product considered valid at reference time P2 for the accumulated precipitation SPI 0 for the precipitation rate P1 for the accumulated precipitation P2 0 for the precipitation rate P2 for the accumulated precipitation Note The rain rate product is valid at the reference time The accumulated precipitation products are valid at the reference time P2 and they represent the precipitation accumulated over the previous P2 P1 hours 3 6 12 24 Section 2 dataRepresentationType 10 Rotated Latitude Longitude grid Nr 779 No of points along a parallel Ny 401 No of points along a meridian latitudeOfFirstGridPoint 13000 longitudeOfFirstGridPoint 25250 Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 23 latitudeOfLastGridPoint 12000 longitudeOfLastGridPoint 23375 latitudeOfSouthernPole 47000 latitudeOfSouthernPole 10000 Section 3 Bitmap is not present in this product Section 4 numberOfCodedValues 312379 numberOfBitsContainingEachPackedValue 16 Number of bits used for each packed value missing Value 9999 values array of product values
29. precipitation over 3 6 12 and 24 h A selection of results are reported in Table 05 The results are reported for each season and for the yearly average The following statistical scores are reported for more information see PVR 06 e ME Mean Error e RMSE Root Mean Square Error expressed as of the rain rate or accumulated at station e POD Probability Of Detection e FAR False Alarm Rate Comparisons are recorded separately for precipitation intensity and accumulated precipitation The precipitation intensity is split in three classes heavy 10 mm h medium 1 10 mm h light lt lt 1 mm h The accumulated precipitation is integrated over 3 6 12 and 24 hours The most significant features of the performance is the RMSE yellow rows in Table 05 for rain rate the medium intensity 1 10 mm h is considered the most significant Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 19 Table 05 Abstract of validation results for products PR ASS 1 Validation tools radar and gauge March April and May 2009 June July and August 2009 Sept Oct and Nov 2009 Dec 2009 Jan and Feb 2010 Spring 2009 Summer 2009 Autumn 2009 Winter 2009 10 ee average Instantaneous its N of samples E mm h siommk e 5 RMSE POD f 0 25 m h_ i OS 7 ae Accumulated d e S e o N of samples 1 798 567 1 569 a 1 908 al 2 308 136 7 584 2 ME mm POD 2 1mm
30. ration Phase CESBIO Centre d Etudes Spatiales de la BIOsphere of CNRS in France CM SAF SAF on Climate Monitoring CNMCA Centro Nazionale di Meteorologia e Climatologia Aeronautica in Italy CNR Consiglio Nazionale delle Ricerche of Italy CNRS Centre Nationale de la Recherche Scientifique of France COSMO Consortium for Small Scale Modelling COSMO ME Consortium for Small Scale Modelling version for Mediterranean CSI Critical Success Index DPC Dipartimento Protezione Civile of Italy EARS EUMETSAT Advanced Retransmission Service ECMWF European Centre for Medium range Weather Forecasts EDC EUMETSAT Data Centre previously known as U MARF EUM Short for EUMETSAT EUMETCast EUMETSAT s Broadcast System for Environmental Data EUMETSAT European Organisation for the Exploitation of Meteorological Satellites FAQ Frequently Asked Questions FAR False Alarm Rate FMI Finnish Meteorological Institute FTP File Transfer Protocol GEO Geostationary Earth Orbit GRAS SAF SAF on GRAS Meteorology GRIB Gridded Binary GTS Global Telecommunication System H SAF SAF on Support to Operational Hydrology and Water Management IMWM Institute of Meteorology and Water Management in Poland IPF Institut f r Photogrammetrie und Fernerkundung of TU Wien in Austria IR Infra Red IRM Institut Royal M t orologique of Belgium alternative of RMI ISAC Istituto di Scienze dell Atmosfera e del Clima of CNR Italy ITU Istanbul Technical Univers
31. ree years the Hydrological validation programme builds up and grows Mid time i e in mid 2009 the products of the first release are supposed to become pre operational and the products missing the first release reach at least a demonstrational status All products should become operational at the end of the Development Phase 31 August 2010 Until the products are in the development status their distribution is limited to the so called beta users Demonstrational pre operational and operational products have open distribution It is fair to record that not all products have been able to follow this schedule Therefore at the end of the Development Phase the status of in development demonstrational pre operational and operational will apply differently to the different products Product User Manual 31 August 2010 PUI O6 Product PR ASS 1 Page 10 1 4 User service In this section a short overview of the User service is provided in terms of product geographic coverage data circulation and management Web site and Help desk 1 4 1 Product coverage peace Rene oto d ak eae ek SE ns aoe Fig 04 shows the required geographic coverage for H SAF products This area is fully covered by the Meteosat image although the resolution sharply decreases at higher latitudes each 15 min For polar satellites the area is covered by strips of swath approximately 1500 km conical scanners or 2200 km cross tra
32. t in near real time primary access mode e off line via the EUMETSAT Data Centre most common access mode for the scientific community Fig 05 H SAF central archive and distribution facilities e by dedicate links such as GTS fastest mode generally available to operational meteorological Services It is noted that this scheme is valid only for pre operational and operational products For products in development disseminated to beta users only or demonstrational products the distribution ordinarily utilises the ftp servers of the product generation centres or the CNMCA server CNMCA also re disseminate the products generated in other centres therefore all products can be retrieved from the CNMCA server The ftp dissemination stream will continue to be active even after the EUMETCast dissemination becomes effective both for redundancy purpose and for users not equipped for EUMETCast reception Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 11 1 4 3 The H SAF web site The address of the H SAF web site 1s e http www meteoam it modules php name hsaf The web site provides general public information on H SAF H SAF products description rolling information on the H SAF implementation status an area for collecting updating information on the status of satellites and instruments used in H SAF an area to collect Education and Training material an area for forums on algorithms o
33. t the top of the updraft or the bottom of the downdraft In the Tiedke scheme a 1 dimensional cloud model is closed by making convection triggering and intensity dependent on the moisture supply by large scale flow convergence and boundary layer turbulence The vertical distribution of heating and drying is estimated using the cloud model to satisfy the constraints on intensity Column equilibrium is supposed for precipitation formed in convective clouds where the source sink terms include the conversion of cloud water to form rain the evaporation of rain in the downdraft and below cloud base Doms G 2002 The LM cloud ice scheme Cosmo Newsletter No 2 128 136 Available on line at www cosmo model org Baldauf M and J P Schultz 2004 Prognostic precipitation in the Lokal Modell LM of DWD Cosmo Newsletter No 4 177 180 Available on line at www cosmo model org gt Reinhardt T and A Seifer 2006 A three category Ice Scheme for LMK Cosmo Newsletter No 6 115 120 Available on line at www cosmo modelL org Product User Manual 31 August 2010 PUIM O6 Product PR ASS 1 Page 15 2 3 Architecture of the products generation chain The architecture of the PR ASS 1 product generation chain is shown in Fig 08 Satellite observations gt Ground based observations PR ASS 1 End users and H SAF central archive Fig 08 Products generation chain for PR ASS 1 The output
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