Tuesday, 12 January 2016: 9:30 AM
Room 345 ( New Orleans Ernest N. Morial Convention Center)
A global analysis and multiple limited area analyses are produced by a single unified data assimilation system. This system uses the NAVGEM global model and the COAMPS limited area model; both operational models of the U.S. Navy. There are three main potential advantages to using a coupled global/regional data assimilation system: the global analysis can take advantage of information from the higher resolution limited area models, the regional analyses are informed about the state of the atmosphere outside of their boundaries, and running a single data assimilation cycle can save time and computational resources compared to running separate global and multiple regional systems. Results are shown for month-long cycling experiments verified against radiosonde observations and ECMWF analyses.
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