Area leader for Data Assimilation:

• Antonín Bučánek (from October 2023)
• Benedikt Strajnar (from January 2019 till September 2023)
• Antonín Bučánek (from April 2018 till December 2018)
• Máté Mile (from July 2013 till December 2017)
• Tomislav Kovacic (from July 2011 till December 2012)
• Gergely Bölöni (from January 2003 till June 2011)

Contents:

• Plans
• Reports
• Workshops and Meetings
• DA forum

Plans:

2024   2023   2022   2021   2020  

2019   2018   2017   2016   2015  

2014   2013   2008-2010    2010   2009  

2008   2007   2006   2005   2004   2003       

Reports:

• 2024

  • AL report for first half of 2024
  • M. Nestiak, 2024/01: Testing of radar data from the new OPERA NIMBUS production line
  • M. Petrovic, 2024/05: Data assimilation and validation of radar radial winds observation
  • A. Zajec, 2024/05: Implementation and validation of OI analysis in a coupled ALARO/SURFEX system

• 2023

  • AL report for year 2023
  • A. Bučánek, 2023/06: Radar sensitivity estimation within the OPERA dataset and impact studies
  • S. Panežić, 2023/07: Sensitivity studies of reflectivity assimilation impact in ALARO with focus on the drying effect
  • M. Ličar, 2023/07: Inline data assimilation of ASCAT SSM using SODA/SEKF

• 2022

  • AL report for year 2022
  • M. Ličar, 2022/09: Assimilation of Satellite Based SWI Observations using a Simplified Extended_Kalman Filter Algorithm in SURFEX
  • K. Szanyi, 2022/09: Assimilating OPERA reflectivity observations into the AROME-HU system 
  • S. Panežić, 2022/12: Further sensitivity studies with radar reflectivity data assimilation
  • A. Dumitru, 2023/02: Computation of the background-error covariances

• 2021

  • AL report for 2021

  • S. Panežić, 2021/09: Impact studies with OPERA reflectivity observations

• 2020

  • AL report for year 2020
  • Alena Trojáková, 2020/03: ALARO test of radar observation operator
  • Antonin Bučánek, 2020/03: Processing of radar reflectivities in screening
  • Benedikt Strajnar, 2020/05: Validation of Slovenian GPS observations
  • Jana Čampa, 2020/08: Validation of OSCAT observations
  • Katarína Čatlošová, 2020/08: Assimilation of radial velocity from radars

• 2019

  • AL report for year 2019
  • Maria Monteiro, 2019/02:  Use of existing observations - radar
  • Katarína Čatlošová, 2019/07: Slovak Mode-S data assimilation into AROME/SHMU
  • Benedikt Strajnar, 2019/12: Satellite data assimilation at JCSDA
  • Wafa Khalfaoui, 2019/12: Optimization of Blendvar at 2.3 km
  • Martin Imrišek, 2019/11: GNSS slant total delays in the ALADIN NWP system:
    Phasing of the source code from cy40h1 to cy43t2

• 2018

  • AL report for year 2018
  • Tomislav Kovačić: An overview of ODIM HDF5 files from radars within Croatian ALARO NWP model domain
  • Alena Trojáková, 2018/03: Radar data pre-processing
  • Maria Monteiro, 2018/03: CPDA1.3 - implementation and validation of BATOR: SHIP&BUOY
  • Máté Mester, 2018/03: Towards homogenization of OPERA radar data
  • Alena Trojáková, 2018/05: Evaluation of OPERA data quality for NWP DA purposes
  • Mirela Pietrisi, 2018/05: Comparison of NWP based nowcasting (AROME) with
    classical system
  • Michal Nestiak, 2018/08: Investigation the BATOR cy43t2bf06 for radar DA
  • Alina Dumitru, 2018/11: OPERA data processing by BATOR
  • Michal Nestiak, 2018/11: Radar DA and BATOR 2

• 2017

  • AL report for year 2017
  • Benedikt Strajnar, 2017: Assimilation of Mode-S EHS observations in ALADIN BlendVar
  • Florian Meier, Stefan Schneider, Phillip Scheffknecht, Florian Weidle, Jasmin Vural, Christoph Wittmann, 2017: DA activities at ZAMG in 2017
  • Benedikt Strajnar, 2017: Overview of ALADIN data assimilation activities at ARSO
  • Viktor Tarjani, 2017: Validation of EKF surface assimilation scheme
  • Mirela Pietrisi, 2017: Comparison of NWP based nowcasting (AROME) with classical system
  • Maria Monteiro, 2017: Upgrade of the source code BATOR to WMO AMDAR template 311010v7
  • Mohamed Anis Satouri , 2017: Migration from TAC to BUFR for TEMP observations
  • Patrik Benacek, 2017: VARBC for GNSS ZTD in AROME/Hu
  • Maria Derkova, Michal Nestiak, Martin Imrisek, Viktor Tarjani, 2017: SHMU national DA report
  • Wafa Khalfaoui, 2017: IASI data assimilation
  • Mirela Pietrisi, 2017: Comparison of NWP based nowcasting (AROME) with classical system II

• 2016

  • AL report for year 2016
  • Florian Meier, Stefan Schneider, Josef Kemetmuller, Christoph Wittmann, 2016: DA activities at ZAMG in 2016
  • Benedikt Strajnar, 2016: Overview of ALADIN data assimilation activities at ARSO
  • Alena Trojakova, Antonin Bucanek, Patrik Benacek, 2016: New nowcasting framework in ALADIN/CHMI (poster)
  • Patrik Benacek, 2016: Tuning of 3DVAR ALADIN-CZ system for aircraft data assimilation
  • Maria Monteiro, 2016: Validation of a back-phased version of source code BATOR 
  • Mirela Pietrisi, 2016: AROME Nowcasting - tool based on a convective scale operational system
  • Mohamed Anis Satouri, 2016: Testing of the COPE framework for processing observations
  • Mate Mile, Patrik Benacek, 2016: Comparison of different VARBC initialization approaches

• 2015

  • AL report for year 2015
  • Mate Mile, 2015: Detailed plan for hourly RUC (1hRUC_plan_2015.pdf)
  • Benedikt Strajnar, 2015: Analysis and preprocessing of Czech Mode-S observations
  • Patrik Benacek, 2015: Testing IDFI and BlendVar II
  • Antonin Bucanek, 2015: Operational implementation of BlendVar scheme at CHMI
  • Mate Mile, 2015: OOPS LAM 3DVAR local installation at OMSZ
  • Benedikt Strajnar, Jure Cedilnik, Neva Pristov, 2015: Overview of ALADIN DA activities at ARSO
  • Florian Meier, Xin Yan, Josef Kemetmuller, Christoph Wittmann, 2015: DA activities at ZAMG
  • Mirela Pietrisi, 2015: AROME nowcasting - tool based on a convective scale operational system
  • Alena Trojakova, Patrik Benacek, Antonin Bucanek, Radmila Brozkova, 2015: Assimilation of Mode-S observations in ALADIN/CHMI
  • Mohamed Zied Sassi, 2015: Assimilation of GPS moisture information 
  • Viktor Tarjani, 2015: Surface assimilation using extended kalman filter
  • Florian Meier, 2015: Radar assimilation and latent-heat nudging in AROME-Nowcasting/AROME-PI

• 2014

  • AL report for year 2014
  • Patrik Benacek, 2014: Assimilation Window in 3DVAR
  • Benedikt Strajnar, Jure Cedilnik, 2014: Overview of ALADIN data assimilation activities at ARSO
  • Florian Meier, Xin Yan, 2014: Data Assimilation activities in Austria
  • Zied Sassi, 2014: RUC Validation report 
  • Mirela Pietrisi, 2014: RC-LACE Stay report
  • Alena Trojakova, 2014: Report on the COPE technical meeting
  • Michal Nestiak, 2014: RADAR Data Exchange and Common QC tools in RCLACE
  • Xin Yan, Mate Mile, 2014: Variational Bias Correction for GNSS ZTD
  • Antonin Bucanek, 2014: Study of spatially varying flow-dependent background error variances in ALADIN implementation outside Météo-France II

• 2013

  • AL report for year 2013
  • Maria Monteiro, 2013: Radar Data Assimilation - ALADIN Project Stay report at OMSZ 
  • Benedikt Strajnar, Jure Cedilnik, 2013: ALADIN data assimilation activities at Slovenia
  • Florian Meier, Gergely Boloni, Mate Mile: Grid-point sigmaB Maps in AROME 3DVAR
  • Patrik Benacek, 2013: Assimilation of IASI data III
  • Mate Mile: Report from HIRLAM Joint Working Week on DA and EPS
  • Mate Mile, Gergely Boloni, Roland Steib, Helga Toth, Roger R., 2013: Latest Data Assimilation activities at OMSZ
  • Stefan Schneider, 2013: Report from GEOSAF project
  • Alena Trojakova, 2013: Progress report on 3DVAR testing at CHMI
  • Michal Nestiak, 2013: RC LACE RADAR report
  • Michal Nestiak, 2013: Summary table on received RC LACE RADAR data samples  

• 2012

  • Gergely Bölöni, Roger Randriamampianina, Máté Mile, 2012: Recent Data Assimilation activities in Hungary
  • Patrik Benacek, 2012: Data assimilation of IASI data II
  • Antonio Stanesic, 2012: CANARI "summer problem"
  • Maria Derkova and Martin Bellus, 2012: Report on experiments with CANARI surface assimilation in ALADIN/SHMU system
  • Michal Nestiak, 2012: Assimilation on RC LACE Radar data

• 2011

  • Florian Meier, 2011: Soil Wetness Index (SWI) analysis for June 2010(AU)
  • Antonio Stanesic, 2011: The SWI diagnostic study for July 2010
  • Alena Trojakova, 2011: Data assimilation of IASI data

• 2010

  • Area report for 2010
  • Stefan Schneider, Florian Meier and Xin Yan, 2010: Data assimilation activities at ZAMG (Austria)
  • Patrik Benacek, 2010: Testing of bias correction schemes for satellite data assimilation
  • Benedikt Strajnar and Jure Cedilnik, 2010: Data assimilation activities at EARS, January-August 2010
  • Antonio Stanesič, 2010: DA activities at DHMZ
  • Benedikt Strajnar, 2010: Estimating observational, background and model error of AROME using a posteriori diagnostics
  • Jure Cedilnik, 2010: Extensive validation and verification of LandSAF albedo assimilation in ALADIN NWP model and Exploring possibilities of using satellite information for snow analysis in combination with improved CANARI analysis
  • Alena Trojáková, 2010: The SWI diagnostic study (CZ)
  • Gergely Bölöni, 2010: SWI diagnostics for HU
  • Gergely Bölöni, 2010: Background error sampling with wide Extension zones (report from the 4DVAR working week)

• 2009

  • Area report for 2009
  • Michal Nestiak, 2009: RC LACE - Use of None-GTS data in ALADIN assimilation
  • Xin Yan, Florian Meier, Cristoph Wittmann, Stefan Schneider, 2009: Data assimilation activities at ZAMG I (Austria)
  • Stefan Schneider, Florian Meier and Xin Yan, 2009: Data assimilation activities at ZAMG (Austria) II
  • Antonio Stanesic and Tomislav Kovacic, 2009: Data assimilation on DHMZ (Croatia)
  • Alena Trojáková, 2009: Data assimilation at CHMI (Czech Rep)
  • Benedikt Strajnar and Jure Cedilnik, 2009: Data assimilation research and development at EARS in 2009 (Slovenia)
  • Benedikt Strajnar, 2009: Data assimilation activities at EARS September-December 2009
  • Jure Cedilnik and Lora Taseva, 2009: Preliminary results of CANARI snow analysis testing
  • Gergely Bölöni and László Kullmann, 2009: Data assimilation activities at HMS in 2009
  • Alena Trojáková, Gergely Bölöni and László Szabó, 2009: Automatic monitoring reports from HMS
  • Alena Trojáková and Gergely Bölöni, 2009: Study of 3D-FGAT and RUC techniques
  • Benedikt Strajnar and Gergely Bölöni, 2009: Implementation of ALADIN 4DVAR prototype at EARS and HMS
  • Antonin Bucanek (supervised by Alena Trojáková and Radmila Brozková), 2010: Brief Summary of my thesis: Study of AMDAR data in NWP model ALADIN

• 2008

  • Area report for 2008
  • Jure Cedilnik and Benedikt Strajnar, 2008: Test implementation of assimilation cycle with CANARI surface analysis at the Environmental Agency of Slovenia
  • Xin Yan, 2008: Status report: B matrix validation in ZAMG
  • Sabine Leroch, 2008: Status report Data-Assimilation for LACE
  • Antonio Stanesic, Tomislav Kovacic, Kristian Horvath, 2008: Report about DA installation at DHMZ
  • Alena Trojáková, 2008: Data assimilation at CHMI, progress report from September 2008
  • Ahmed Bouzid, 2008: Assimilation of HIRS and SYNOP data in the ALADIN/HU model
  • Ersin Kucukkaraca, 2008: Assimilation of SEVIRI water vapour channels and SYNOP data
  • Gergely Bölöni, László Kullmann, András Horányi, 2008: Experiences in using ECMWF lateral boundary conditions for the operational ALADIN model in Hungary
  • Edit Adamcsek, 2008: An experiment with the ETKF transformation matrix at HMS (preliminary report)
  • Jure Cedilnik, 2008: Estimating the Added Value of Land SAF Albedo Assimlation in ALADIN
  • Benedikt Strajnar, 2008: Grid point mapping of background errors in Aladin 3D-VAR
  • Gergely Bölöni, László Szabó, Alena Trojáková, 2008: OPLACE: common observation preprocessing for LACE
  • Alena Trojáková (DM), 2008: Report of work on common preprocessing
  • Gergely Bölöni, 2008: Overview of radar data assimilation in NWP models
  • Petra Csomós and Gergely Bölöni: First steps towards the application of the Ensemble Transform Kalman Filter at the Hungarian Meteorological Service

• 2007

  • WG report for year 2007
  • Mária Derková, Martin Belluš, 2007: Various applications of the blending by digital filter technique in the ALADIN numerical weather prediction system
  • Sándor Kertész, 2007: Overview of the observation usage in the ALADIN variational data assimilation system
  • Sándor Kertész, 2007: Using T799 IFS initial and boundary conditions in the ALADIN/HU model
  • Sándor Kertész, 2007: Investigation of the use of non-GTS SYNOP reports in the ALADIN/HU 3D-VAR system
  • Zoltán Juhász and Gergely Bölöni, 2007: Tests with the CONGRAD minimization algorithm within the ALADI/HU 3DVAR system
  • Benedikt Strajnar, 2007: Rapid Update Cycle with ALADIN/HU
  • Filip Vana, 2007: Validation of e801 configuration (adjoint sensitivity) in ALADIN
  • Alena Trojáková, 2007: Assimilation of SEVIRI data II
  • Alena Trojáková, 2007: Assimilation of SYNOP and SEVIRI data (draft)

• 2006:

  • WG report for year 2006
  • Sándor Kertész, 2006: Forecast experiments with the ALADIN 3D-FGAT analysis system

  • Alena Trojakova, Michal Majek, 2006: Assimilation of SEVIRI data - stay in Budapest, 18/9/06-10/11/06

  • Marián Jurašek, 2006: Quality Control for RADAR reflectivity
  • Roger RANDRIAMAMPIANINA, 2006: Impact of the AMV data in the ALADIN/HU assimilation system
  • Steluta Vasiliu, 2006: An evaluation of tfe 3D-FGAT scheme for the ALADIN/Hungary model
  • Gergely Bölöni, 2006: Diagnosis of covariance residuals and tuning of background and observation errors in the ALADIN/HU 3DVAR

• 2005

  • WG report for year 2005
  • Richard Mládek, 2005: Two case studies with ALADIN/LAMEPS based on ARPEGE/PEACE ensemble system
  • Yong WANG and Alexander KANN, 2005: ALADIN Limited Area Ensemble Forecasting (LAEF)
  • Edit Hágel and András Horányi, 2005: Sensitivity experiments of global singular vectors at the Hungarian Meteorological Service
  • Kristian Horvath, 2005: Comparison of ensemble and NMC type of background error statistics for the ALADIN/HU model
  • Kristian Horvath, 2005: A tuning of the humidity background error profile in ALD/HU assimilation system
  • Roger RANDRIAMAMPIANINA, 2005: Use and impact of the full grid AMSU-B data in the ALADIN/HU model
  • Gergely Bölöni, 2005: Operational implementation of ALADIN 3DVAR at the Hungarian Meteorological Service
  • Marián Jurášek, 2005: Assimilation of radar data - research plan

• 2004:

  • WG report for year 2004
  • Gergerly Bölöni, Claude Fischer, Loik Berre, 2004: (An)Isotropy of background error structure function
  • Kristian Horvath, Gergerly Bölöni, 2004: Comparison of NMC and LH type of b. error stat. of the ALADIN/HU mode
  • Steluta Alexandru, Gergerly Bölöni, Helga Tóth, 2004: Experiments with the explicit blending and the 3D-Var scheme for the ALADIN/HU model - Part I: General evaluation
  • Steluta Alexandru, Gergerly Bölöni, Helga Tóth, 2004: Experiments with the explicit blending and the 3D-Var scheme for the ALADIN/HU model - Part II: Case studies
  • Regina Szoták, Roger Randriamampianina, 2004: Choice for radiance-bias correction for a limited-are model
  • Marián Jurašek, 2004: Radar Reflectivity Data Assimilation
  • Gabriella Csima, Roger Randriamampianina, Miklós Balogh, 2004: Assimilation of AMDAR data
  • Michal Májek, Gergerly Bölöni, 2004: Assimilation of 10m wind data in Aladin-HU
  • Helga Tóth, 2004: Detailed case study od a dramatic winter temperature overestimation in the ALADIN/HU model
  • Edit Hágel, Gabriell Szépszó, 2004: Preliminary results of LAMEPS experiments at the Hungarian Meteorological Service
  • Gergerly Bölöni, 2004: Technical Note on observation handling in ALADIN cy28t0

• 2003:

  • WG report for year 2003
  • Kristian Horvath, 2003: Study of the vertical structure of 3D-Var analysis increments
  • Stjepan Ivatek-Šahdan, 2003: Smoothing of Soil Wetness Index (SWI) in ALADIN/LACE domain
  • Marián Jurašek, 2003: Assimilation of 10 m wind from SYNOP observations over land (ps-format)
  • Roger Randriamampianina, Regina Szoták, 2003: Impact of the ATOVS data on the Mesoscale ALADIN/HU Model
  • Helga Tóth, 2003: Further blending experiments & Studying of LH-Statistics