Fifth International SRNWP-Workshop on Non-Hydrostatic Modelling

Bad Orb, 27 - 29 October 2003    Deutscher Wetterdienst

PDF version of agenda             Participants

Monday, 27/10/2003

09:00-09:10 W. Storck Bad Orb, Germany

Address of Mayor of Bad Orb
09:10-09:20 U. Gärtner DWD, Offenbach, Germany

Opening by President of DWD
09:20-09:30 J. Quiby SMA, Zürich, Switzerland

Address of SRNWP-Representative
09:30-09:40 J. Steppeler DWD, Offenbach, Germany

Lead Centre for Non-Hydrostatic Modelling

Parameterisation I (soil models)

Chairperson: Z. Janjic

09:40 -10:00 Y. Kumagai, K. Saito, M. Yoshida, and H. Niino, NPD, Japan Improvement of the land surface processes of the non-hydrostatic model al JMA

10:00 -10:20 H. Schlünzen, Univ. Hamburg, Germany Impact of different sub-grid-scale land-use effects parameterisations on mesoscale model results

10:20 -10:40 G. Heinemann and M. Kerschgens, Univ. Bonn, Germany Treatment of small scale land surface heterogeneity for atmospheric modelling

10:40 -11:00 D. Mironov, DWD, Offenbach, Germany Parameterization of lakes in NWP models

11:00 -11:30 Coffee and Poster

Poster F. Ament and C. Simmer, Univ. Bonn, Germany Representing subgrid-scale land surface variability in the Lokal-Modell - concepts and first results

Poster M. Müller, Univ. Basel, Switzerland Inclusion of satellite derived, daily NDVI values in the Meso ETA model

Parameterisation II (sensitivity studies)

Chairperson: E. Richard

11:30 -11:50 C. Jones, SMHI, Sweden Representing stratocumulus clouds in numerical models: Sensitivity to model physics & vertical resolution

11:50 -12:10Th. Reinhardt and U. Wacker, AWI, Germany Sensitivities in LM Model results due to changes in the parameterization of cloud microphysics

12:10 -12:30 K. Sattler and H. Feddersen, DMI, Denmark Studies on a multi-scheme ensemble during different rainfall events

12:30 -14:00 Lunch

Parameterisation II (convection)

Chairperson: W. Sha

14:30 -14:50 S. Niemelä and C. Fortelius, Univ. Helsinki, Finnland Representation of convection under hydrostatic and non-hydrostatic HIRLAM: A case study of the convective event

14:50 -15:10 C. Roadnight, Met. Office, Univ. Reading, U.K. Representing convection in convective scale NWP models: An idealised study

15:10 -15:30 M. Satoh and T. Nasuno, Saitama Inst. Tech., Japan Radiative-convective equilibrium calculations with cloud resolving models: a standard experiment and parameter study

15:30 -15:50 J. Helmert, IfT, Leipzig, Germany Examination of the impact of mixing-length formulation on mesoscale simulation results. A Lokal-Modell case study

15:50 -16:40 Coffee and Poster

Poster G. Craig and B. Plant, DLR, Oberpfaffenhofen, Germany A stochastic cumulus parameterisation - Design and single column tests

Poster G. Xu, J. Xue, Ch. Dehui and L. Huang, Beijing, P.R. of China Simulation Study of Precipitation in China

16:40 -17:00 O. Knoth and D. Hinneburg, IfT, Leipzig, Germany A cloud resolving model with implicit time stepping: Orographic flow application

17:00 -17:20 M. Raschendorfer, DWD, Offenbach, Germany A simplified approach to the influence of sub grid scale surface elements by the model equations

Poster M. Diamantakis and T. Davies, Met Office, Exeter, U.K. Fractional timestepping of fast physics processes in the Met Office model

Poster M. Dubal, N. Wood, and A. Staniforth, Met Office, U.K. Analysis of splitting methods for time-stepping physical parametrizations

Non-hydrostatic systems

Chairperson: U. Wacker

17:20 -17:40 Z. Janjic, NCEP/EMC, Camp Springs, USA The NCEP WRF core and further development of ist physical package

17:40 -18:00 J. Klemp, NCAR, Boulder, USA Evaluation of WRF for convection resolving NWP

19:0Dinner   Hotel Fernblick

Tuesday, 28/10/2003

Non-hydrostatic systems (continued)

Chairperson: M. Tolstykh

09:00 -09:20 S. Malardel, Meteo France, Toulouse, France The Arome mesoscale project

09:20 -09:40 H. Tomita, M. Satoh, K. Goto, and T. Nasuno, Yokohama, Japan Development of the global cloud resolving model on the Icosahedral grid

Poster A. Männik and R. Rööm, Univ. Tartu, Estonia Experimental very high resolution forecasting at EMHI

Poster X. Yang, J. Hu, J. Chen, Z. Jin, and L. Huang, Beijing, P.R. of China GRAPES dynamic model and the preliminary tests

Dynamics and numerics

Chairperson: K. H. Schlünzen

09:40 -10:00 M. Tolstykh, Russian Academy of Sciences, Moscow, Russia Variable resolution version of the global SL-AV model on a reduced longitude-latitude grid

10:00 -10:20 R. Brozkova, P. Benard, F. Bouttier, J.-F. Geleyn, and A. Trojakova, CHMI, Prague, Czech Republic

Some side-results of the development effort for a stable and efficient semi-Lagrangian version of the ALADIN-NH code

10:20 -10:40 P. Benard, P. Smolikova, J. Masek, and J. Vivoda, Meteo France, Toulouse, France A potentially dangerous albeit unnecessary restriction in classical semi-implicit schemes design strategy

10:40 -11:10 Coffee

11:10 -11:30 W. Skamarock, M. Baldwin, and W. Wang, NCAR, Boulder, USA Evaluating dissipation in NWP models using kinetic energy spectra

11:30 -11:50 W. Skamarock, J. Doyle, P. Clark, and N. Wood, NCAR, Boulder, USA A standard test set for nonhydrostatic dynamical cores of NWP models

11:50 -12:10 W. Sha, Tohoku Univ., Japan Dynamical core of a new atmospheric meso-scale numerical model developed in Cartesian coordinates

12:10 -12:50 J. Vivoda, P. Benard, P. Smolikova, J. Masek, and R. Brozkova, Meteo France, Toulouse, France
                            Application of the iterative centered implicit scheme to non-hydrostatic dynamics of LAM ALADIN

12:30 -14:30 Lunch

14:30 14:50 J. Steppeler, DWD, Offenbach, Germany Semi-Implicit Methods

Poster J. Förstner, DWD, Offenbach, Germany First Results with RK-Time Integration and High-Order Spatial Discretization


Fine-scale analysis

Chairperson: D. Rezácová

14:50 15:10 Y. Honda, T. Kawabata, K. Tamiya, K. Aonashi, T. Tsuyuki, and K. Koizumi, Tokyo, Japan

Development of a 4DVAR data assimilation system for the JMA nonhydrostatic model - JnoVA -

15:10 15:30 H.-S. Bauer, V. Wulfmeyer, and F. Vandenberghe, Univ. Hohenheim, Germany
Comparison of different data assimilation techniques for a convective situation during the IHOP_2002 campaign

Case studies and verification

Chairperson: P. Benard

D. Rezácová and Z. Sokol, ASCR, Prague, Czech Republic
LM application to severe convective events - effects of microphysics parameterisation on QPF
15:50-16:20 Coffee
T. Kato, Y. Sato, and X-BAIU-99 Observation group, Tsukuba, Japan
Reason for the failure of the simulation of heavy rainfall during X-BAIU-01 - Importance of a vertical profile of water vapor for numerical simulations
16:40-17:00 G. Zängl, Univ. München, Germany

The sensitivity of simulated orographic precipitation to model details other than cloud
17:00-17:20 J.- P. Schulz, D. Majewski, J. Förstner, V. Galabov, B. Fay, G. Doms, A. Gaßmann, and J. Steppeler, DWD, Offenbach, Germany

Improving the simulated precipitaiton distribution in mountainous terrain in the Lokal-Modell: A case study for 20 February 2002.
17:20-17:40 K. Yasunaga, T. Kato, H. Sasaki, C. Muroi, K. Kurihara, Y. Sato, and M. Yoshizak, AESTO, Japan

Verifications of high-resolution long-term prediction by Japan Meteorological Agency -nonhydrostatic model (JMA-NHM) with the spectral boundary coupling (SBC) method
17:40-18:00 E. Richard, F. Lascaux, and the MAP working group on numerical modelling, Toulouse, France

Evaluation of simulated precipitation fields of some MAP events: sensitivity experiments and model intercomparison

Wednesday, 29/10/2003

Case studies and verification (continued)

09:00 -09:20 H. Volkert, Th. Fehr, E. Richard, and A. Tafferner, DLR, Oberpfaffenhofen, Germany
Campaign data for parameterization tests: Examples from MAP 1999, VERTIKATOR 2002, AWIATOR 2003-08-04

Poster M. Kaspar, ASCR, Prague, Czech Republic LM application to severe convective events - diagnosing of propagating gust fronts
Poster J. Potty, U. Wacker, C. Lüpkes, J. Hartmann, and M. Raschendorfer, AWI, Bremerhaven, Germany
                    A case study of a Polar cold air outbreak using the Lokal-Modell of DWD

Poster S. Serafin, A. Berto, M. de Franceschi, R. Ferretti and D. Zardi, Univ. Trento, Italy
Application of a mesoscale model to the analysis of late forst events and comparison with observations
Poster P. Clark, Met Office, Univ. Reading, U.K. . Progress with Kilometre Scale NWP using the Unified Model
Poster H.-J. Herzog, G. Vogel, U. Schubert, DWD, Potsdam, Germany LLM - the high-resolving nonhydrostatic simulation model in the DWD
Poster H.-J. Herzog, G. Vogel, U. Schubert, DWD, Potsdam, Germany Forcing strategy of the LLM
Poster H.-J. Herzog, G. Vogel, U. Schubert, DWD, Potsdam, Germany External parameters of the LLM
Poster H.-J. Herzog, G. Vogel, U. Schubert, DWD, Potsdam, Germany Results of LLM validation

09:20 -10:30 Working Groups

Working Group 1: Methods for the Evaluation of nh models

Chairperson: B. Skamarock Protocol: M. Baldauf

Working Group 2: Convection for the fine scale models

Chairperson: Z. Janjic Protocol: E. Heise

Working Group 3: R K and other 2 timelevel methods

Chairperson: J. Klemp Protocol: J. Steppeler

10:30 - 12:00  Poster Session -Coffee

12:00 - 12:20 Report of the Chairperson of Working Group 1 and Discussion

12:20 - 12:40 Report of the Chairperson of Working Group 2 and Discussion

12:40 - 13:00 Report of the Chairperson of Working Group 3 and Discussion

13:00 End of Workshop