Session 9A |
| | Data Assimilation: Error covariances and hybrid methods |
| | CoChair: Steven Rugg, Air Force Weather Agency, Offutt AFB, NE
Chair: Zhaoxia Pu, University of Utah, Salt Lake City, UT
|
| 10:30 AM | 9A.1 | Status report on Rapid Refresh development 
Stephen S. Weygandt, NOAA/ESRL/GSD, Boulder, CO; and T. G. Smirnova, M. Hu, J. M. Brown, D. D�v�nyi, S. G. Benjamin, W. R. Moninger, S. E. Peckham, G. A. Grell, K. J. Brundage, B. D. Jamison, C. W. Harrop, and J. B. Olson |
| 10:45 AM | 9A.2 | Application of anisotropic recursive filters to the generation of planetary scale background covariances 
Yoshiaki Sato, JMA visiting NOAA/NWS/NCEP/EMC, Camp Springs, MD; and R. J. Purser |
| 11:00 AM | 9A.3 | Impacts of different background error covariance matrices on 4DVAR data assimilation
Lei Zhang, Univ. of Utah and Lanzhou Univ., Salt Lake City, UT; and C. Qiu and Z. Pu |
| 11:15 AM | 9A.4 | A hybrid ensemble Kalman filter approach to data assimilation in a two-dimensional shallow water model
Lili Lei, Penn State University, University Park, PA; and D. R. Stauffer |
| 11:30 AM | 9A.5 | A Hybrid Data Assimilation System (WRF-VAR and Ensemble Transform Kalman Filter) Based Retrospective Tests with Real Observations
Meral Demirtas, NCAR, Boulder, CO; and D. Barker, Y. Chen, J. Hacker, X. Y. Huang, C. Snyder, and X. Wang |
| 11:45 AM | 9A.6 | A comparison of the hybrid and EnSRF analysis schemes in the presence of model errors due to unresolved scales
Xuguang Wang, Univ. of Oklahoma, Norman, OK; and T. Hamill, J. Whitaker, and C. H. Bishop |