Symposium on Forecasting the Weather and Climate of the Atmosphere and Ocean


Development of a Real-Time Operational Forecast System for the Central California Coastal Ocean

Yi Chao, JPL/Caltech, Pasadena, Califonia; and Z. Li, J. K. Choi, and P. Li

Development of a real-time operational forecasting system off the central California coast will be described. The ocean model is based on the Regional Ocean Modeling System (ROMS) with a spatial resolution of 15-km, 5-km, and 1.5-km covering the U.S. West coast, central California coast, and Monterey Bay, respectively. A 50-km Pacific basin-wide ROMS will also be used to provide the boundary condition for the 15-km ROMS off the U.S. West coast. The proposed ocean forecasting system is forced with the near real-time blended wind product from satellite scatterometer measurements (QuikSCAT) and mesoscale atmospheric model simulations (COAMPS). Both the historical MB data and the real-time data (in situ and remotely sensed) will be assimilated into the forecasting system through a 3-dimensional variational (3DVar) method. The results from a recent field experiment during August 2003 will be described.

Session 1, New Forecast Systems
Tuesday, 13 January 2004, 4:30 PM-5:30 PM, Room 2A

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