Tuesday, 19 April 2016: 11:15 AM
Ponce de Leon C (The Condado Hilton Plaza)
Satellite data assimilation has been applied in operational HWRF since 2013. One big problem from DA is the spin-up and spin-down in first a few hours of forecast. This is because the analysis increment has the non-balanced component, which results in big model adjustments. To reduce the big spin-up and spin-down, an IAU alike initialization scheme was applied to WRF model integration. The initial tests show positive impact when comparing against with control runs where no IAU was applied.
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