OSSE meeting June 5, am (EDT) Rm 707 in WWB We will use generic EMC tele conference number Toll Number for international call: Toll Free number: Pass code: Presentations will be posted at

Agenda: 1. Summary of progress (Michiko Masutani) (15min) Simulation of DWL Simulation of Radiance Data distribution 2.Strategies of calibration NOAA will work on data denial method for calibration (3min) GMAO is planning to use Adjoint technique Yanqiu Zhu will explain about adjoint technique. (30-45 min) 3. Status of simulation of Radiance at GMAO (Ron Errico) (15min) 4. Feed back from ECMWF about evaluation of T799 Nature run (11:15am) 5. Development of OSSE effort at MSU (discussion on regional OSSEs) David Tan will visit EMC on Friday July 11. EMC seminar will be scheduled

Simulation of DWL A)KNMI will mainly simulate ESA lidar and SWA will mainly simulate NASA lidar. Selected lidar will be simulated by both KNMI and SWA and evaluated. Both agreed to simulate ADM-Aeolus lidar and KNMI will perform the evaluation. B) Most of major operational centers are expected to assimilate L1B data and I think we agreed that it is very important that L1B data is simulated. So we can test complete DAS cycle in OSSE before the launch. However, L1B simulator is not quite ready. and take enormous computing resource. Simulating one day worth data takes 2 month. C) There are more than objective to simulate DWL data DWL data can be simulated as back scatter, L1B or L2B. The choice will depends on the objective of experiments. (1) Data impact study to test and select future systems (2) Simulate ADM-Aeolus data to get assimilation system ready before the launch (3)Understand the characteristics of the DWL data. (Back Scatter will be simulated) D) NASA/GSFC will simulate 18 types of aerosol for T511 NR which may affect DWL sampling. The simulated aerosol will be posted from NASA portal. These data may be useful to KNMI and SWA.

Simulation of Radiance 1) GMAO has good progress in simulating HIRS2, HIRS3, AMSU-A/B, AIRS (281 channels). Simulated observation will be released after calibration at GMAO. Some systematic thinning applied. 2) GMAO will release source codes to Joint OSSE community 3) NOAA i continue to work on thinned data. Thinning is based on operational use at NCEP. 4) MSU will work on OSSE to evaluate CrIS and ATMS CRTM can simulate ATMS but not ready for CrIS SARTA can simulate CrIS

Data Distribution 1)More controlled NR user list Time series of Nature run posted from NCEP ftp site has been removed. This data can be accessed by any one in list. Remove people in institute which does not have NR. Include people who received account on NASA portal or gradsdods server. 2) Arlindo Dasilva set up gradsdods access to T511 NR model resolution 3)Multiple file access to files in portal Use getweb NCCS is working on ftp access to portal 4) T511 1degx1deg data at NCAR will be for NCAR account holder only

Calibration Data impact of real and simulated experiments are compared. Same time period with same observational distribution NOAA will start working on data denial experiments using thinned data GMAO will work on Adjoint Technique

Special Thanks Yucheng Song put together global parallel script for OSSE and T-PARK. Help from Daryl Kreist, Dave Groff and other CRTM staff in FAQ site. Yucheng may be able to set up discussion forums Gradsdods for NR set up by Arlindo was much more then expected. I hope we will make the best use.

New people Marangelly Fuentes: Working with Oreste Reale at NASA/GSFC/GLA Mark Govett: Working at ESRL Haldun Karan: Mississippi State University (MSU) Proposal and some other activities Lidia Cucurull: OSSEs for COSMIC data Assessing impact of more satellite Zhaoxia Pu: Considering regional OSSE using GSI Masahiro Watanabe and Hiroshi Koyama Center for Climate System Research at Univ Tokyo