|  | 4.2 | Ensemble retrospective assimilation for a global nonlinear shallow-water model
Yanqiu Zhu, NASA/GSFC, Greenbelt, MD; and R. Todling and S. E. Cohn |
| 2:30 PM | 4.3 | Deterministic prediction of the error variance of a meteorological forecast
Lars Peter Riishojgaard, JCET/Univ. of Maryland Baltimore County, Baltimore, MD |
| 2:45 PM | 4.4 | Estimation of analysis error covariances from observation residuals
Ricardo Todling, NASA/GSFC/DAO, Greenbelt, MD; and D. P. Dee |
| 3:00 PM | 4.5 | Assimilation of SeaWinds scatterometer data in the GEOS data assimilation system
Robert Atlas, NASA/GSFC, Greenbelt, MD; and E. Brin, S. C. Bloom, J. Ardizzone, J. Terry, J. C. Jusem, and D. Bungato |
| 3:15 PM | | Coffee Break (Exhibit Hours 3:30-7:00 P.M.)
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| 3:45 PM | 4.6 | Design and validation of the GEOS ozone assimilation system
Ivanka Stajner, NASA/GSFC, Greenbelt, MD; and L. P. Riishojgaard and R. B. Rood |
| 4:00 PM | 4.7 | Development of a prognostic forecast error variance model for data assimilation
Yong Li, NASA/GSFC, Greenbelt, MD; and S. E. Cohn, R. Todling, D. P. Dee, L. P. Riishojgaard, A. M. DaSilva, and Z. Toth |
| 4:15 PM | 4.8 | Optimal Vorticity Forcing of Blocking Derived from A Variational Approach
Shaoqing Zhang, Florida State Univ., Tallahassee, FL; and J. E. Ahlquist |
| 4:30 PM | 4.9 | Producing unbiased analyses in the presence of forecast bias
Ricardo Todling, NASA/GSFC, Greenbelt, MD; and D. P. Dee |