DTIC ADA597758: Ensemble Data Assimilation and Predictability pdf

DTIC ADA597758: Ensemble Data Assimilation and Predictability

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The primarily objectives of the proposed work are as follows: (1) Further develop the COAMPS-EnKF data assimilation system for tropical cyclone initialization capable of effectively assimilating airborne Doppler radar and satellite observations as well as data from conventional surface and sounding networks. (2) Implement a pseudo ensemble data assimilation system for COAMPS that is capable of ingesting flow-dependent background error covariance for tropical cyclone initialization without performing a computationally expensive online ensemble forecast. (3) Develop quality control and data thinning procedures for COAMPS-EnKF by implementing successful strategies from the preexisting PSU WRF-based EnKF data assimilation system (WRF-EnKF). (4) Explore the practical use of different observing strategies in predicting tropical cyclones, including the assimilation of droposondes, radar, airborne and spaceborne observations using ensemble-based data assimilation systems

• Creator/s: Defense Technical Information Center
• Date: 9/30/2013
• Year: 2013
• Book Topics/Themes: DTIC Archive, , PENNSYLVANIA STATE UNIV STATE COLLEGE DEPT OF METEOROLOGY, *TROPICAL CYCLONES, ASSIMILATION, FORECASTING, INFORMATION SYSTEMS, PREDICTIONS

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