Date of publication: July 2006
This Newsletter has a different format than before, because it is meant as Proceedings from the 7th COSMO General Meeting in Zürich, 2005. It contains papers from the presentations at this meeting, as well as some external contributions.
| COSMO Newsletter No. 6 Table of Contents | |||
|---|---|---|---|
| Get the "one-piece" document (pdf, 39Mb) | |||
| Editorial | 1 | ||
| 1 | Working Group on Data Assimilation | Author | 3 |
| 1.1 | Tomographic Determination of the Spatial Distribution of Water Vapor Using GPS Observations | M. Troller, A. Geiger, E. Brockmann, J.-M. Bettems, B. Bürki, H.-G. Kahle | 3 |
| 1.2 | Improved Methods for Snow-Cloud Separation Using Multi-temporal Meteosat-8 SEVIRI Imagery | M. de Ruyter de Wildt | 11 |
| 1.3 | Sensitivity of the LHN Scheme to Non-Rain Echoes | D. Leuenberger, A. Rossa | 23 |
| 1.4 | Revised Latent Heat Nudging to cope with Prognostic Precipitation | C. Schraff, K. Stephan, S. Klink | 31 |
| 1.5 | Revised Quality Control for Radiosonde Humidity | C. Schraff | 38 |
| 2 | Working Group on Numerical Aspects | Author | 44 |
| 2.1 | Implementation of the 3D-Turbulence Metric Terms in LMK | M. Baldauf | 44 |
| 2.2 | Courant Number Independent Advection of the Moisture Quantities for the LMK | J. Förstner, M. Baldauf, A. Seifert | 51 |
| 2.3 | Sensitivity Experiments with the Runge-Kutta Time Integration Scheme | L. Torrisi | 65 |
| 2.4 | Application of the Z-Coordinate Version vs. the Terrain Following Version of LM Nonhydrostatic Model over Greece | E. Avgoustoglou, T. Tzeferi, V. Tirli, I. Papageorgiou | 74 |
| 3 | Working Group on Physical Aspects (Introduction) | Author | 81 |
| 3.1 | Preliminary Results on Comparison of LM Radiation Code to the LBL model RTX | A. Bozzo | 83 |
| 3.2 | Implementation of the Statistical Cloud Scheme Option: Preliminary Tests | E. Avgoustoglou, T. Tzeferi, I. Papageorgiou | 88 |
| 3.3 | Validation of Boundary Layer Clouds: Test Results with the Minimum Vertical Diffusion Coefficient set equal to Zero in LM | E. Heise | 94 |
| 3.4 | Improved Diagnosis of Convective and Turbulent Gusts: Test Results of new Gust Parameterizations | E. Heise | 103 |
| 3.5 | A Three-Category Ice Scheme for LMK | T. Reinhardt, A. Seifert | 115 |
| 3.6 | Simulation Studies of Shallow Convection with the Convection-Resolving Version of DWD Lokal-Modell | F. Theunert, A. Seifert | 121 |
| 4 | Working Group on Interpretation and Applications | Author | 129 |
| 4.1 | The COSMO-LEPS Suite at ECMWF: Present Status and Developments | A. Montani, C. Marsigli, T. Paccagnella | 129 |
| 4.2 | Verification of the COSMO-LEPS new Suite in Terms of Precipitation Distribution | C. Marsigli, A. Montani, T. Paccagnella | 134 |
| 4.3 | COSMO-LEPS Forecasts for the August 2005 Floods in Switzerland | A. Walser | 142 |
| 4.4 | Use of Multimodel Super Ensemble Technique for Complex Orography Weather Forecast | M. Milelli, D. Cane | 146 |
| 4.5 | Interpretation of the New High Resolution Model LMK | H. Hoffmann, V. Renner, S. Theis | 152 |
| 4.6 | Simple Kalman Filter - A "Smoking Gun" of Shortages of Models | A. Mazur | 158 |
| 5 | Working Group on Verification and Case Studies (Introduction) | Author | 162 |
| 5.1 | Verification of aLMo in the Year 2005 | M. Arpagaus, P. Kaufmann, G. de Morsier, D. Ruffieux, F. Schubiger, A. Walser, E. Zala | 165 |
| 5.2 | Verification of aLMo Precipitation using a Coupled Hydro-Meteorological Modeling Approach for the Alpine Tributaries of the Rhine | M. Verbunt, J. Gurtz, M. Zappa, P. Kaufmann | 172 |
| 5.3 | First Results on Verification of LMK Test Runs Basing on SYNOP Data | C.-J. Lenz, U. Damrath | 175 |
| 5.4 | Latest Results in the Precipitation Verification over Northern Italy | E. Oberto, M. Turco, P. Bertolotto | 180 |
| 5.5 | Verification of LAMI at SYNOP Stations | P. Emiliani, A. Raspanti | 185 |
| 5.6 | Precipitation Verification (Overestimation): A Common View of the Behaviour of the LM, aLMo and LAMI | F. Schubiger, P. Kaufmann, U. Damrath, E. Oberto | 192 |
| 5.7 | Verification of COSMO-LM in Poland | K. Starosta, J. Linkowska, A. Mazur | 201 |
| 6 | Working Group on Implementation and Reference Version | Author | 210 |
| 6.1 | The new Lokal-Modell LME of the German Weather Service | J.-P. Schulz | 210 |
| 7 | External Contributions | Author | 213 |
| 7.1 | Flow across the Antarctic Plateau | U. Wacker, H. Ries, U. Schättler | 213 |
| 7.2 | An Objective Quality Measure based on a Pattern Recognition Technique to validate Regional Ensemble Forecasts | C. Keil, G. Craig | 220 |
| 7.3 | CLM - The Climate Version of LM: Brief Description and Long-Term Applications | U. Böhm, M. Kücken, W. Ahrens, A. Block, D. Hauffe, K. Keuler, B. Rockel, A. Will | 225 |
| 7.4 | The Effect of Ice-Phase Microphysics on Tropical Cyclones simulated by the Lokal Modell | T. Frisius, T. Hasselbeck, F. Herbert | 236 |
| 7.5 | Application of the LM to Investigate the Sharpness of the Extratropical Tropopause | T. Szabó, V. Wirth | 242 |
| 7.6 | Numerical Simulations of the Elbe Flood Case: Sensitivity to Initial and Boundary Data | G. Zängl, G. Hartjenstein, G. Doms, H. Frank, U. Schättler | 246 |
| Appendix | 257 | ||