6
Data Assimilation: Hybrid Schemes

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Tuesday, 6 January 2015: 1:30 PM-3:00 PM
131AB (Phoenix Convention Center - West and North Buildings)
Host: 19th Conference on Integrated Observing and Assimilation Systems for the Atmosphere, Oceans, and Land Surface (IOAS-AOLS)
Chair:  Jeffrey Anderson, IMAGE, NCAR, Boulder, CO

Papers:
  1:30 PM
6.1
Development and research of GSI-based hybrid data assimilation system for HWRF: Performance of dual resolution and single resolution hybrid systems with moving nests assimilating airborne observations
Xuguang Wang, University of Oklahoma, Norman, OK; and X. Lu and Y. Li
Recorded Presentation

  1:45 PM
6.2
Development and research of GSI-based Var/EnKF/hybrid data assimilation system for convective scale weather forecast: A comparison of GSI-based EnKF and 3DVar for multiscale analyses and forecasts
Aaron Johnson, University of Oklahoma, Norman, OK; and X. Wang and J. Carley
Recorded Presentation

  2:00 PM
6.3
Regional Applications of the GSI-Hybrid Data Assimilation for High-Resolution Tropical Storm Forecasts
Chunhua Zhou, NCAR, Boulder, CO; and H. Shao, L. R. Bernardet, M. Tong, and V. Tallapragada
Recorded Presentation

  2:15 PM
6.4
Recent Improvements of GSI 3DVAR-Ensemble Hybrid Data Assimilation System for Rapid Refresh and High Resolution Rapid Refresh
Ming Hu, NOAA/ESRL/Global Systems Division, Boulder, CO; and S. S. Weygandt, D. C. Dowell, S. Benjamin, J. S. Whitaker, and C. R. Alexander
Recorded Presentation

  2:30 PM
6.5
Development and evaluation of a multi-functional data assimilation testbed based on EnKF and WRFVar with various hybrid options
Yonghui Weng, Pennsylvania State University, University Park, PA; and F. Zhang, J. Poterjoy, Y. Ying, C. Melhauser, D. Tao, S. J. Greybush, X. Zhang, and J. Sun

  2:45 PM
6.6
Advancing the Rapid Refresh Cloud and Precipitation Hydrometeor Analysis Towards Hybrid Ensemble-Variational Data Assimilation
Therese Thompson Ladwig, NOAA/ESRL/Global Systems Division and CIRES/Univ. of Colorado, Boulder, CO; and M. Hu, S. S. Weygandt, S. Benjamin, D. C. Dowell, and C. R. Alexander
Recorded Presentation

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