1. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin SIRTA Cloud and Radiation Observatory M. Haeffelin, A. Armstrong, L. Barthès, O. Bock, C. Boitel, D. Bouniol, M. Chiriaco, J. Delanoe, P. Drobinski, J-L. Dufresne, C. Flamant, M. Grall, F. Hourdin, F. Lapouge, Y. Lemaître, A. Mathieu, Y. Morille, V. Noel, J. Pelon, C. Pietras, A. Protat, B. Romand, G. Scialom, R. Vautard, Y. Wanherdrick Institut Pierre Simon Laplace Status

2. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin Routine Observations 2000 2001 2002 2003 2004 2005 Cloudnet

3. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin Web access: NRT QL + catalogue http://sirta.lmd.polytechnique.fr/Donnees_english.php ftp access: ftp://cloudnet@perceval.lmd.polytechnique.fr (6Rus_Lid)cloudnet@perceval.lmd.polytechnique.fr Oct 04PeriodLevel-1Level-2 RASTA10/2002-09/2004 NetCDF v2 - LNA10/2002-09/2004 NetCDF v1 LD4001/2003-09/2004 NetCDF v2 Drakkar10/2002-12/2003 NetCDF v2 Rad Flux04/2003-09/2004 NetCDF v2 SIRTA DATA PROCESSING

4. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin Status of RASTA Radar 2004/2005 developments: Nov 2004 - Jun 2005: more stable and controlled version of RASTA in view of upcoming airborne campaigns If finances permit, an independent ground-based version will be restored Software : 10/2002-09/2004 reprocessed by D. Bouniol Accounting for calibration and transmitter power loss

5. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin Status of LNA Lidar Hardware : Amplifier electronics revised Automatic shut-down in case of rain 532/1064 nm laser energy monitoring 2004/2005 developments: Nov 2004: Improved overlap function + maintenance of optical system Jan-May 2005: Automatic optical alignment system >2006 developments: LNA installed in 30ft shelter Window above telescope Software : Update to include new parameters and more robust real-time processing

6. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin Status of Radiative Flux Station Operations: Installed 02/2003 SW Direct Flux: CH1 SW Diffuse Flux: CM22 SW Global Flux: component sum LW Down Flux: CG4 12/2003 - 02/2004: 2AP tracker breakdown: CM22 used for SW global Data processing: 1-min data, QC check, BSRN format Data successfully submitted to BSRN archive

7. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin SW Calibration: 06/2004 (original K&Z cal 10/2002) On site using K&Z PM0-6 ACR CH1: Transfer from PMO-6 CM22: Shade/Unshade technique LW Calibration: Kipp&Zonen WRC - Davos ACR Status of Radiative Flux Station

8. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin SW Calibration: CH1: 10.64  V/Wm -2 (10.59 + 1.0%) CM22: 9.76  V/Wm -2 (9.81 - 0.5%) CH1 CM22 Status of Radiative Flux Station

9. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin SIRTA Instrumentation LIDAR B-scat Lidar (532, 1064) Clouds, aerosols properties 1999 Ceilometer (KNMI) Cloud, BL Height 2002 IR Doppler Lidar (10.6  m) 3D Wind1999 Raman Lidar (355 nm)Water vapor, Profile2004 Ozone Lidar (316 nm)Ozone, aerosols2004 RADAR Doppler Radar 95 GHz Cloud properties 2002 Doppler Radar 5 GHzPrecipitation, 3D Wind1999 RADIO- METER BB Radiometers Radiative Fluxes (2003 BSRN) 1999 Sun-Photometer Aerosols, water vapor 2002 IR Radiometer Brightness temperature 2002 MW Radiometer Water vapor + liquid 1999 IN-SITUWeather Pres., temp., humidity, wind 1999 Spectro-pluviometer Diameter + drop velocity 1999 Radiosonde Vertical Profiles (00, 12 UT) 1999 Sonic AnemometerTurbulent Fluxes2004

10. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin Atmospheric Water Vapor Measurements from Ground-based and Satellite Remote Sensing Instruments : VAPIC SIRTA - Palaiseau / 17 May - 18 June 2004 VAPIC-1 (2004) - Objectives  Improve water vapor retrievals at SIRTA  Compare WV retrieval techniques from ground- based remote sensing and satellites to better define uncertainties and limitations  Test methodologies for simultaneous exploitation of ground and satellite data to produce 3D/4D WV fields.  Develop methodologies to exploit measurements in preparation of the African Monsoon Multi-disciplinary Analysis project (AMMA, 2006). VAPIC-2 (2005) Objectives To study low- altitude cloud formation processes (boundary layer clouds) in mid- latitudes. CETP, LMD, SA, LOA, IGN, Météo-France, U. Muenchen, Radiometer Physics, Kipp&Zonen Martial Haeffelin + VAPIC Investigators

11. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin VAPIC RS92 Radiosounding HATPRO 20,30,60 GHz T,U Profiler LVT: Wind IR Doppler Lidar RONSARD 5 GHz Precip Radar RASTA 95 GHz Cloud Radar 355nm N 2, H 2 0 RAMAN Lidar LNA 532/1064 Cloud Aerosol Lidar RESCOM 20/30 GHz MWR Sunphotometer Spectro pluviometer GPS receiver

12. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin Integrated Water Vapor content Solving calibration issues to obtain instrument consistencies Sunphotometer Microwave radiometer and profilers GPS receivers Radiosonde data HATPRO 20,30,60 GHz T,U Profiler DRAKKAR 20/30 GHz MWR Sunphotometer 19 May 2004 IWV (kg/m 2 )

13. Cloudnet meeting 18-19 Oct 2004 - Martial Haeffelin Vertical Profiles of Water Vapor (RH and Mixing Ratio) Raman Lidar Microwave profilers Radiosonde data 5 GHz radar RS90 + RS92 Radiosounding 355nm N 2, H 2 0 RAMAN Lidar 19 May 2004