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WG 3: plans for next year

WG 3: plans for next year. COSMO General Meeting 23 September 2005 Marco Arpagaus. Priority projects. Towards Unified Turbulence-Shallow Convection Scheme (UCTS) mainly a WG3 effort with important contributions from WG2

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WG 3: plans for next year

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  1. WG 3: plans for next year COSMO General Meeting 23 September 2005 Marco Arpagaus

  2. Priority projects • Towards Unified Turbulence-Shallow Convection Scheme (UCTS)mainly a WG3 effort with important contributions from WG2 • Tackle deficiencies in precipitation forecastsa cross-WG project (mainly WG5 and WGs 1-3)

  3. WP 3.1: Planetary boundary layer • 3.1.1: Surface transfer scheme and turbulence scheme • 3.1.1.1: Testing single column model; Revision of transfer scheme and near surface diagnosis • 3.1.1.2: Reorganisation of the turbulence scheme • 3.1.1.3: Extended documentation • 3.1.1.4 (N.N.): New concept for the roughness layer extension of the current turbulence scheme • 3.1.1.5 (N.N.): Higher vertical resolution for the lowest part of the boundary layer • 3.1.1.6: Merge with 3-d approach

  4. WP 3.2: Soil processes • 3.2.2: Implementation of lake model into the LM • 3.2.3: Intercomparison of soil models in the framework of soil moisture validation (Nicola Loglisci, Gerd Vogel, Felix Ament)

  5. WP 3.3: Convection • 3.3.1: Implementation and testing of alternative (deep) convection schemes

  6. WP 3.4: Microphysics • 3.4.1: Improvement of the three-category ice scheme

  7. WP 3.5: Clouds

  8. WP 3.6: Radiation • 3.6.1: Cloud-radiation interaction • 3.6.2: Evaluate possible inclusion of 3-d effects in current scheme • ? • Merge and implement new extensions for topographic effects and radiation-specific (coarser) grid

  9. WP 3.7: Sub-km version • 3.7.1: Use of LM to study intense convective precipitation events (?)

  10. WP 3.9: Validation and related matters • 3.9.1: Validating boundary layer processes using the single column framework (?) • 3.9.3 (N.N.): Development of a tool for extended parameter determination; running parameter tuning experiments

  11. WP 3.10: Tackle observed model deficiencies • 3.10.2: Improve diagnosis of convective and turbulent gusts • 3.10.3: Investigate reason for cold/moist bias in PBL

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