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Convective and Orographically-induced Precipitation Study


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7th COPS Workshop
27 – 29 October 2008, Strasbourg, France
Program
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Venue

Working Group Minutes
  CI
  ACM
  PPL
  DAP

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Monday, 27 October


13:45 – 14:00   Welcome addresses: Organizing Committee / WWRP / V. Wulfmeyer   Presentation


14:00 – 15:30   Session 1 : Convection Initiation, Chair: Hans Volkert
14:00 – 14:15   Beyond case studies: mechanisms initiating convection during the COPS experiment, Christoph Kottmeier et al., IMCR, KIT, Germany  Presentation
14:15 – 14:30   Observations of shallow convection over the Black Forest during COPS, Steven Mobbs et al., Univ. of Leeds, UK  Presentation
14:30 – 14:45   Triggering of convection by boundary-layer processes during IOP4b, Heike Konow et al., IMCR, KIT, Germany  Presentation
14:45 – 15:00   The Impact of Convergence Zones on the Initiation of Deep Convection during IOP8b, Bianca Adler et al., IMCR, KIT, Germany  Presentation
15:00 – 15:15   Observations & High Resolution Modelling of decoupled surface flows during IOP9c of the COPS field experiment, Victoria Smith et al., Univ; of Leeds, UK
  Presentation, ppt with animations (152 MB)  Presentation pdf without animations (8 MB)
15:15 – 15:30   Preliminary Observations from the Doppler on Wheels Radars during COPS 2007, Lindsay Bennet et al., Univ. of Leeds, UK  Presentation

15:30 – 17:00   Poster Session A: Convection Initiation & Surface processes
Convection Initiation
A1 Convection-permitting COSMO model simulations for COPS IOP 8b (15 July 2007), Bastian Kern et al., Univ of Mainz, Germany   Poster
A2 Convergence zones during COPS IOP 8b: Results of COSMO simulations with 2.8 and 1 km grid resolution, Christian Barthlott et al., IMCR, KIT, Germany  Poster
A3 The combination of GPS IWV column retrievals with radiosonde data for a better representation of initiation of convection, Samiro Khodayar et al, IMCR, KIT, Germany
A4 Idealized simulations of topography-induced convection in the COPS area, J. Stadler et al., Univ. of Trier, Germany
A5 WRF model runs of 15 July and 12 August, Sarah-Jane Lock et al., Univ. of Leeds, UK
A6 Complex valley flows and their impact on water vapor transport in pre-convective and convective environments: a case study, Cyrille Flamant et al., IPSL, France
A7 Raman Lidar observations of a MCS in the frame of the Convective and Orographically-induced Precipitation Study, Paolo Di Girolamo et al., Univ. of Basilicata, Italy  Poster
A8 Driving processes for convection initiation over complex terrain: measurements and simulations of IOP9c, Ulrich Corsmeier et al., IMCR, KIT, Germany  Poster
Surface processes
A9 Satellite-derived surface radiation: Validation with COPS observations and data set for model evaluation, Jörg Trentmann et al., DWD, Germany  Poster
A10 Soil Moisture Measurements during COPS: Spatial and Temporal Variability, Liane Krauß et al., IMCR, KIT, Germany
A11 Streamflow data assimilation for root zone soil moisture analysis, Kirsten Warrach-Sagi et al., Univ. of Hohenheim, Germany  Poster
A12 Analysis of the regional water balance for COPS IOPs using COSMO model simulations, Romi Schnitter et al., IMCR, KIT, Germany  Poster

17:00 – 18:00 Session 2: Convection Initiation, Chair: Christoph Kottmeier
17:00 – 17:15 Representativity study of surface observations over complex topography, Reinhold Steinacker at al., Univ. of Vienna, Austria  Presentation
17:15 – 17:30 Investigation of Moisture Flux Divergence from COPS Mesonet data, Felizitas Zeitz et al., Univ. of Vienna, Austria  Presentation
17:30 – 17:45 Soil moisture network during COPS: Comparison to model values and impact on convective indices, Christian Barthlott et al., IMCR, KIT, Germany  Presentation
17:45 – 18:00 Generation of free convection in a valley due to changes of the local circulation system, Rafael Eigenmann et al., Univ. of Bayreuth, Germany  Presentation

Tuesday, 28 October


8:30 – 10:00 Session 3 : From Moisture to Clouds, Chair: Reinhold Steinacker
8:30 – 8:45 Airborne Water Vapour and Wind Lidars to Estimate Latent Heat Fluxes over Complex Terrain, Christoph Kiemle et al., DLR, Germany  Presentation
8:45 – 9:00 GPS tomography validation using radiosoundings, ground-based and airborne lidar, Cédric Champollion et al., Geosciences Montepellier, France  Presentation
9:00 – 9:15 Overview of measurements performed by the Raman Lidar BASIL in the frame of the Convective and Orographically-induced Precipitation Study, Paolo Di Girolamo et al., Univ. of Basilicata, Italy  Presentation
9:15 – 9:30 Numerical Simulation of a Saharan Dust Event and its Radiative Impact on the Atmosphere in the COPS Domain, Bernhard Vogel et al., IMCR, KIT, Germany  Presentation
9:30 – 9:45 Air Pollution and Convection - The Lagrangian Experiment of the TRACKS Campaign, Walburga Wilms-Grabe et al., IMCR, KIT, Germany  Presentation
9:45 – 10:00 Observed and modelled long-term cloud statistics for the Murg valley, Kerstin Ebell et al., Univ. of Cologne, Germany  Presentation

10:00 – 11:30   Poster Session B: PBL / Moisture analysis & Aerosols and Clouds
Moisture analysis
B1 Determination of convective boundary layer height from Doppler lidar measurements in complex terrain, Katja Träumner et al., IMCR, KIT, Germany  Poster
B2 Atmospheric lids: what exactly are they?, Andrew Russel et al., Univ. of Manchester, UK
B3 Profiles of vertical velocity skewness as measured by Doppler lidar, Jenny Davis et al., Univ. of Salford, UK  Poster
B4 Comparison of Raman lidar and GPS measurements at the COPS Vosges supersite, Pierre Bosser et al., IGN, France  Poster
B5 GPS Tomography using ZTD and STD on COPS campaign, Mathieu Reverdy et al., LaMP, Clermont-Ferrand, France
B6 High-resolution measurements of water-vapor and aerosol fields with UHOH scanning DIAL system at Hornisgrinde, Sandip Pal et al., Univ. of Hohenheim, Germany  Poster
Aerosols and Clouds
B7 Progress in the Analysis of the Dataset Collected with A Multi-Wavelength Raman Lidar and A Doppler Lidar of the Leibniz Institute for Tropospheric Research Leipzig at Supersite M Ronny Engelmann et al., IFTR, Leibnitz, Germany  Poster
B8 In-situ aerosol and cloud properties measured onboard the BAe146 aircraft and at the Supersite Hornisgrinde during COPS-UK, Hazel Jones et al., Univ. of Manchester, UK
B9 Numerical study of convective precipitation using a high resolved 3D cloud model with detailed microphysics during the COPS Field Campaign, Céline Planche et al., LaMP, Clermont-Ferrand, France  Poster
B10 Long-term evaluation of NWP water vapor and cloud forecasts: How does the COPS period relate to the GOP data set?, Christoph Selbach et al., Univ. of Cologne, Germany
B11 Observation of a Saharan dust outbreak on 1-2 August 2007: determination of size and microphysical particle parameters, Paolo Di Girolamo et al., Univ. of Basilicata, Italy  Poster
B12 Scavenging of trace gases by deep convection: Sensitivity studies with a cloud system resolving model, L. Smoydzin et al., Univ. of Mainz, Germany
B13 Lidar and Radar Measurements of the melting layer in the frame of the Convective and Orographically-induced Precipitation Study, Donato Summa et al., Univ. of Basilicata, Italy  Poster

11:30 – 12:30 Session 4 : From Clouds to Precipitation, Chair: Steve Mobbs
11:30 – 11:45 Preliminary analysis of cloud microphysics measurements made with the BAE146 aircraft, Alan Blyth et al., Univ of Leeds, UK  Presentation
11:45 – 12:00 Evaluation of particle shape and orientation within ice clouds using the S-band Doppler Polarimetric radar Tara supersite H, Yann Dufournet et al., Univ of Delt, The Netherlands  Presentation
12:00 – 12:15 Influence of the Wind Profile on the Life Cycle of Convective Precipitation, Martin Hagen et al., DLR, Germany  Presentation
12:15 – 12:30 Estimation and characterisation of precipitations with an X-band radar in the framework of COPS, Frédéric Tridon et al., LaMP, Clermont-Ferrand, France  Presentation

14:00 – 15:00 Session 5: Data assimilation / Model Evaluation, Chair: George Craig
14:00 – 14:15 Progress in the assimilation of ground-based GPS observations with the MM5 4D-Var system, Florian Zus et al., Univ. of Hohenheim, Germany  Presentation
14:15 – 14:30 Assimilation of ground-based GPS and radar data in the AROME model for IOP9, Olivier Caumont et al., Météo-France, Toulouse, France
14:30 – 14:45 QPF uncertainty of Radar Rainfall Data Assimilation, Christian Keil et al., DLR, Germany  Presentation
14:45 – 15:00 Fuzzy verification of precipitation forecasts during the DOP - on the benefit of high resolution models with explicit convection, Tanja Weusthoff et al., MeteoSchweiz, Switzerland  Presentation

15:00 – 16:30   Poster Session C: Clouds and Precipitation & New instruments / New technologies & Future Modelling plans
Clouds and Precipitation
C1 Current status and first results of the SPP1167 project COPS-GRID, Hans-Stefan Bauer et al., Univ. of Hohenheim, Germany  Poster
C2 Model Evaluation and Predictability Studies Using the COPS/D-PHASE Dataset, Volker Wulfmeyer et al., Univ. of Hohenheim, Germany  Poster
C3 Meso-NH forecasts during COPS: Assessment of cloud cover and precipitation, Jean-Pierre Chaboureau et al., LA, Toulouse, France  Poster
C4 Combined visualizations of MSG multi-channel data, DWD radar composite data and GPS integrated water vapour data for process studies within COPS, Fumiko Aoshima et al., Univ. of Hohenheim, Germany  Poster
C5 Reliability of precipitation measurements, Stefan Schneider et al., Univ. of Vienna, Austria  Poster
C6 Investigation of precipitation events with vertically pointing UHOH X-band radar at Hornisgrinde during COPS, Sandip Pal et al., Univ. of Hohenheim, Gernany  Poster
C7 The three months of COPS-2007 as seen by geostationary satellites, Hans Volkert et al., DLR, Germany
New instruments / New technologies
C8 The new airborne disdrometer 'Flying Parsivel', Holger Mahlke et al., IMCR, KIT, Germany
C9 Novel observations for a better description of atmospheric water vapour and cloud liquid with microwave radiometry, S. Kneifel et al., Univ. of Cologne, Germany  Poster
C10 Measurement highlights of temperature and aerosol fields with rotational Raman lidar at Hornisgrinde, Marcus Radlach et al., Univ. of Hohenheim, Germany  Poster
C11 Combining remote-sensing instruments at work during the COPS Campaign in order to provide vertical profiles of temperature, humidity and wind, Lienor Feuga et al., Météo-France, France  Poster
Future Modelling plans
C12 Status of WRF and WRF 4DVAR and its application within the SPP1167 project COPS/GRID, Thomas Schwitalla et al., Univ. of Hohenheim, Germany  Poster
C13 Environment Canada's experimental numerical prediction system for the 2010 Vancouver Winter Olympic Games, Stéphane Bélair et al., Environment Canada, Dorval, Canada

16:30 – 18:00 Session 6: Working Group meetings, Chair: Andreas Behrendt

- Convection Initiation
- Aerosol and Cloud Microphysics
- Precipitation Processes and Life Cycle
- Data Assimilation and Predictability

Wednesday, 29 October


8:30 – 10:00 Session 7 : Data synergies and future plan, Chair: Paolo Di Girolamo

8:30 – 8:45 Ideas to use the Synergy of COPS Remote Sensing Data to Analyze Convection Initiation Processes in Complex Terrain, Andreas Behrendt et al., Univ. of Hohenheim, Germany  Presentation
8:45 – 9:00 Water vapour intercomparison effort in the frame of the Convective and Orographically-induced Precipitation Study, Rohini Bhawar et al., Univ. of Basilicata, Italy  Presentation
9:00 – 9:15 Using microwave radiometer and Doppler lidar data to estimate latent heat, Chris Collier et al., Univ. of Salford, UK  Presentation
9:15 – 9:30 The GTS and non-GTS data set for COPS and MAP D-PHASE, Theresa Gorgas et al., Univ. Of Vienna, Austria  Presentation (68 MB)
9:30 – 9:45 Quality controlled data base of the cops surface energy balance network, Thomas Foken et al., Univ of Bayreuth, Germany  Presentation
9:45 – 10:00 One Year After COPS: The Paramount Scientific Issues, Volker Wulfmeyer et al., Univ. of Hohenheim, Germany  Presentation

10:30 – 12:30 Session 8 : Working group reports / Final discussion, Chair: Volker Wulfmeyer
Minutes of the COPS Working Groups: see top of this page

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