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Presentations
Fourth International Verification Methods Workshop


  • Monday 8 June 2009


    • Session 1: User-oriented Verification

        Chair: Pertti Nurmi
      • 1.1a Juhani Damski: Customer-oriented services at FMI.
      • 1.1b Laurence Wilson: What Is A Good Forecast: The importance of user-orientation in verification..
      • 1.2 Clive Wilson: Do key performance targets work?.
      • 1.3 Tressa Fowler: Wind forecast verification.
      • 1.4 Robert Maisha: UM model and Kalman Filter forecast verification at SAWS.

    • Session 2: Verification Tools and Systems

        Chair: Matt Pocernich
      • 2.1 Tressa Fowler: The Model Evaluation (MET 2.0), Overview and Recent Enhancements
      • 2.2 Barbara Brown: MODE-3D: Incorporation of the time dimension
      • 2.3 James Brown: The Ensemble Verification System (EVS): A software tool for verifying ensemble forecasts of hydrometeorological and hydrologic variables at point locations.
      • 2.4 Yin Kong Leung: Objective verification of weather forecast in Hong Kong
      • 2.5 Marcus Paulat: COSMO-DE-EPS - construction and verification of a limited-area ensemble prediction system on the convective scale

    • Session 3: Coping with Uncertainty in Verification Data

        Chair: Chiara Marsigli
      • 3.1 Carlos Santos: Introducing observational uncertainty in the scoring of a multi-model limited area model over the European area
      • 3.2 Otto Hyvärinen: Visualising verification results when no true reference is available
      • 3.3 Theresa Gorgas: The Challenge of Finding "Good" Reference Data for Verification
      • 3.4 Benedikt Bica: High resolution precipitation analysis and forecast validation over complex terrain using an inverse VERA approach
      • 3.5 Laurence Wilson: Verification of multi-model ensemble forecasts using the TIGGE data
      • 3.6 Matthew Pocernich: Feature-oriented verification of wind speed forecasts

    • Session 4: Properties of Verification Methods

        Chair: David Stephenson
      • 4.1 Ian Jolliffe: Probability forecasts with observation error: Is the Brier score proper?
      • 4.2 Lovro Kalin: Is ETSS Really Equitable?

    • Session P: Posters

      Chair: Laurie Wilson
      • P01. Julie Demargne and James Brown: Communicating hydrologic verification information for operational forecasting and real-time decision making in the U.S. National Weather Service
      • P02. James McGregor: The value of GFS data for precipitation forecasting for the Waikato River catchment, New Zealand
      • P03. Guenther Mahringer: TAF Verification in the MET Alliance
      • P04. . Sultan Al-Yahyai: Development of a portable verification Package
      • P05. Adriano Raspanti: VERSUS: Unified Verification Package in COSMO
      • P06. Yasutaka Ikuta: Evaluation of hydrometeors of a high-resolution model using a radar simulator
      • P07. Kristian Pagh Nielsen: Verification of cloud physical properties
      • P08. Robert Fawcett and Elizabeth Ebert: Base rates and skill scores
      • P09. Marek Jerczynski: Some robust scale separation methods at work
      • P10. Marion Mittermaier: Time-series analysis of scale-selective verification: Can we use it for operational forecast monitoring?
      • P11. Pertti Nurmi: SAL Verification in Hydrological Catchments
      • P12. Juan Bazo: Verification of Seasonal Rainfall Prediction in the Rimac River Basin
      • P13. Jonathan Eden: Assessing the skill of GCM-simulated precipitation
      • P17. Marcel Vallee: A block bootstrapping method for the Canadian NWP model
      • P18. Ewan J. O'Connor: Cloud verification using radar: What is the half-life of a cloud-fraction forecast?
      • P19. Pascal Mailier: Assessing the operational skill of predictions of forecast error
      • P20. Petra Roiha: Analysis of Marine Seasonal Ensemble Forecasts for the Baltic Sea
      • P21. Petr Zacharov: An estimation of QPF uncertainty by forecasting the radar-based ensemble skill
      • P22. Matias Armanini : Extreme temperatures verifications on Argentina forecast by NWP GFS NCEP
      • P23. Monika Bailey: Verification of nowcasting methods in the context of high-impact weather events for the Canadian Airport Nowcasting (CAN-Now) project
      • P24. Kadarsah Binsukandar Riadi: Reliability Evaluation of HyBMG by Using the ROC Curve
      • P25. Girmaw Bogale: Rainfall prediction performance of WRF model over complex terrain of Ethiopia
      • P26. Kalle Eerola: Verification of the Hirlam NWP forecasts and the connection between the scores and improvements in the model.
      • P30. Jordi More: The Impact of Applying Different Verification Techniques and Precipitation Analyses in QPF Verification
      • P31. Maria Stefania Tesini: Verification and Statistical properties of COSMO-17 QPF
      • P32. Marco Turco: The forecaster's added value in QPF
      • P33. Daan Vogelezang: Verification of statistical forecasts of low visibility at the Amsterdam Airport
      • P34. Ji-Won Yoon and Sei-Young Park: Verification of ensemble forecast using the physical parameterization schemes of WRF model during the Changma period over Korea
      • P35. Xiaoli Li: Comparisons of global and regional ensemble prediction systems at NMC
      • P36. Joel Stein and Marielle Amodei: Another look at the contingency tables: Scores based on Manhattan distances in the error space
      • P37. Claude Gibert: MetPy and Verify 2008


  • Tuesday 9 June 2009


    • Session 5: Verification of Weather Warnings

        Chair: Tressa Fowler
      • 5.1 David Stephenson: The Verification of Weather Warnings: Did the Boy Cry Wolf or Was It Just a Sheep? (invited)
      • 5.2 Martin Göber: Approaches to process and event oriented verification of warnings
      • 5.3 Michael Sharpe: The challenge of verifying severe weather warnings
      • 5.4 Clive Wilson: A critical look at the verification of Met Office "Flash" Warnings
      • 5.5 Marion Mittermaier: Verifying extreme rainfall alerts for surface water flooding

    • Session 6: Spatial and Scale-sensitive Methods

        Chair: Francis Schubiger & Johannes Jenkner
      • 6.1 Barbara Brown: Spatial Verification Methods
      • 6.2 Eric Gilleland: Spatial Forecast Verification: The Image Warp
      • 6.3 Chermelle Engel: A scale-based distortion metric for mesoscale weather verification
      • 6.4 Stefano Mariani: On evaluating the applicability of CRA over small verification domains
      • 6.5 Marion Mittermaier: Identifying skillful spatial scales using the Fraction skill Score
      • 6.6 Barbara Casati: New Developments of the Intensity Scale Verification Technique within the Special Verification Methods Intercomparison
      • 6.7 Elizabeth Ebert: Feature-specific verification of ensemble forecasts

    • Session 7: Spatial and Scale-sensitive Methods: High-resolution Models

        Chair: Marcus Paulat & Stefano Mariani
      • 7.1 Ulrich Damrath: Some experiences during verification of precipitation forecasts using fuzzy techniques
      • 7.2 Marielle Amodei: Deterministic and fuzzy verification of the cloudiness of High Resolution operational models
      • 7.3 Kees Kok: Valuing information from high resolution forecasts
      • 7.4 Chiara Marsigli: QPF Verification of Limited Area Ensemble Systems during the MAP D-PHASE OP
      • 7.5 Francis Schubiger: Verification of precipitation forecasts of the MAP D-PHASE data set with fuzzy methods
      • 7.6 Sami Niemelä: Verification of High resolution Precipitation forecasts by Using the SAL Method
      • 7.7 Mathias Zimmer: Towards Evaluating Timing Errors of Quantitative Precipitation Forecasts with the Feature-Based Technique SAL


  • Wednesday 10 June 2009


    • Session 8: Seasonal and Climate Forecast Verification

        Chair: Marcel Vallee
      • 8.1 Simon Mason: Towards Standardized verification of seasonal climate forecasts (invited)
      • 8.2 Barbara Casati: Extreme Value theory to Analyze, Validate and Improve Extreme Climate Projections
      • 8.3 Pascal Mailier: Can you really trust long-range weather predictions? Confessions of a rogue forecaster.

    • Session 9: Tutorial Presentations

        Chair: Anna Ghelli
      • Intro Photos.
      • Turbulence project.
      • EPS project.
      • Hong Kong Temp project.
      • Wind Speed project.
      • EPS PoP project.
      • Ukraine Temp project.
      • Portugal Precip project.
      • Barcelona Precip project.

    • Session 10: New Ideas in Verification

        Chair: Theresa Gorgas
      • 10.2 Deborah Glueck: Bias in trials comparing paired continuous tests can cause researchers to choose the wrong screening modality
      • 10.3 Zoran Pasaric: Polychoric correlation coefficient in forecast verification
      • 10.4 Johannes Jenkner: Verification of Probabilistic Calibrations for Deterministic GFS Precipitation Forecasts

    • General Discussion

      • Final discussion
Click here for a png of the poster (210kb).