Publication date: 2003
| COSMO Newsletter No. 3 table of Contents | |||
|---|---|---|---|
| 01 | Introduction | 5 | |
| 02 | The COSMO Consortium | 7 | |
| 2.1 | General | 7 | |
| 2.2 | Agreement | 8 | |
| 2.3 | Organizational Structure | 8 | |
| 03 | Model System Overview | 9 | |
| 3.1 | Lokal-Modell | 9 | |
| 3.2 | Data Assimilation | 16 | |
| 3.3 | Boundary Conditions from Driving Models | 20 | |
| 3.4 | Postprocessing | 21 | |
| 3.5 | Data Flow of the LM Package | 22 | |
| 3.6 | Documentation | 23 | |
| 04 | Operational Applications | 24 | |
| 4.1 | ARPA-SMR | 25 | |
| 4.2 | DWD | 25 | |
| 4.3 | HNMS | 28 | |
| 4.4 | IMGW | 30 | |
| 4.5 | MeteoSwiss | 31 | |
| 05 | Changes to the Model System | 36 | |
| 5.1 | Major Changes to LM | 36 | |
| 5.2 | Major Changes to GME2LM | 43 | |
| 5.3 | Changes to Model Configurations at COSMO Centres | 44 | |
| 5.4 | COSMO Limited-Area Ensemble Prediction System | 45 | |
| 06 | Working Groups | 46 | |
| 6.1 | WG 1: Data Assimilation | 46 | |
| 6.2 | WG 2: Numerical Aspects | 48 | |
| 6.3 | WG 3: Physical Aspects | 49 | |
| 6.4 | WG 4: Interpretation and Applications | 50 | |
| 6.5 | WG 5: Verification and Case Studies | 51 | |
| 6.6 | WG 6: Reference Version and Implementation | 53 | |
| 07 | COSMO Meetings and Events | 54 | |
| 7.1 | Poland became a new member of COSMO | 54 | |
| 7.2 | Meetings in 2002 | 54 | |
| 7.3 | Guest Scientists | 59 | |
| 7.4 | Internal Visits | 59 | |
| 7.5 | Upcoming COSMO Meetings | 59 | |
| 7.6 | Announcements | 60 | |
| 08 | Results and Methods of Model Verification (Introduction) | Author | 61 |
| 8.1 | Verification of Surface Weather Parameters at DWD | Ulrich Damrath | 63 |
| 8.2 | Verification of Surface Weather Parameters at MeteoSwiss | Francis Schubiger | 73 |
| 8.3 | Verification of aLMo Runs at SYNOP-Stations | Pirmin Kaufmann | 76 |
| 8.4 | Verification of LAMI vs. Synoptic Observations | Massimo Ferri and Patrizio Emiliani | 80 |
| 8.5 | High Resolution QPF Verification of LM Using Non-GTS Data over Piedmont and Central-Northern Italy | Elena Oberto, Massimo Milelli, Paolo Bertolotto and Renata Pelosini | 86 |
| 8.6 | Operational Verification of Vertical Profiles at DWD | Ulrich Pflueger | 93 |
| 8.7 | Operational Verification of Vertical Profiles at MeteoSwiss | Marco Arpagaus | 101 |
| 8.8 | Upper-Air Verification at MeteoSwiss for 2002: Highlights | Marco Arpagaus | 105 |
| 8.9 | Verification of the New LM Version LM 2.18 with Prognostic TKE and Multi-Layer Soil Model | Francis Schubiger | 113 |
| 8.10 | Using IFS Frames for LM Lateral Boundary Forcing: Verification Results | Lucio Torrisi | 116 |
| 8.11 | The LM\_PL14 \& LM\_PL07 Model Forecasts as Input into a Hydrological Forecasting Mode | Malgorzata Mierkiewicz, Janusz Zelazinski and Jan Parfiniewicz | 120 |
| 8.12 | Weather Situation-Dependent Stratification of Precipitation and Upper-air Verification of the Alpine Model (aLMo) | Andrea Rossa, Marco Arpagaus and Emanuele Zala | 123 |
| 8.13 | Some Hints about COSMO--LEPS Verification | Chiara Marsigli, A. Montani,F. Nerozzi and T. Paccagnella | 139 |
| 09 | Model Development and Application (introduction) | Author | 141 |
| 9.1 | Tuning of Nudging of Surface Pressure Observations | Christoph Schraff | 142 |
| 9.2 | Assessment of the Impact of the GPS Data Assimilation on the Performance of the NWP Model of MeteoSwiss: Case Studies | Guergana Guerova, J.-M. Bettems, E. Brockmann and Ch. Matzler | 152 |
| 9.3 | Assimilation of GPS Data in August 2002 | Mariella Tomassini and Christoph Schraff | 158 |
| 9.4 | Assimilation of Radar Information in aLMo | Daniel Leuenberger and Andrea Rossa | 164 |
| 9.5 | Case Studies with the 2-Timelevel Scheme and Prognostic Precipitation | Almut Gassmann | 173 |
| 9.6 | New Developments Concerning the Z-coordinate Version of LM | Juergen Steppeler, Heinz-Werner Bitzer and Ulrich Schaettler | 177 |
| 9.7 | Test of the Moisture Mass Conservation in LM | Guenther Doms | 179 |
| 9.8 | LM\_2.19 Fights Against the 28-03-1997 Case | Jan Parfiniewicz | 186 |
| 9.9 | An Attempt to Suppress Spurious Convective Rain ('Convective Drizzle') | Erdmann Heise | 189 |
| 9.10 | Work package 3.8.1: Cause for Precipitation Differences between LM Runs at MeteoSwiss and DWD | Marco Arpagaus | 192 |
| 9.11 | Incorporating a 3D Subgrid Scale Turbulence Scheme into the 2.8km-Version of the LM | Hans-Joachim Herzog, Gerd Vogel and Ursula Schubert | 195 |
| 9.12 | Improvement and Validation of the Multi-Layer Soil Model | Erdmann Heise, Martin Lange, Bodo Ritter and Reinhold Schrodin | 198 |
| 9.13 | Operational Implementation of Ensemble Forecasts using Lokal-Modell | Andrea Montani, D. Cesari, C. Marsigli, F. Nerozzi, T. Paccagnella | 204 |
| 9.14 | Deriving Probabilistic Precipitation Forecasts from LM Simulations | Susanne Theis, A. Hense, U. Damrath and V. Renner | 209 |
| 9.15 | A New Scheme for Diagnosing Near-Surface Convective Gusts | Jan-Peter Schulz and Erdmann Heise | 221 |
| 10 | Collaboration and External Users of LM | 226 | |
| 10.1 | International Projects | 226 | |
| 10.2 | National Projects and Collaboration | 228 | |
| 10.3 | External Users of LM | 229 | |
| References | 231 | ||
| Apendices | 233 | ||
| A | The GRIB Binary Data Format used for LM I/O | 233 | |
| B | Available LM Output Fields | 239 | |
| C | List of COSMO Newsletters and Technical Reports | 244 | |