Monday, 24 April 2006: 11:30 AM
Cypress (Hyatt Regency Monterey)
Presentation PDF (160.4 kB)
Advanced Research WRF (Weather Research and Forecasting) model was used in real-time during the 2005 hurricane season to forecast storms over the Atlantic Ocean, Caribbean Sea or Gulf of Mexico that threatened landfall. The model was configured to have two domains: a coarse domain of 12 km grid, and a nest domain of 4 km grid. The 4 km domain can move within the 12 km domain to follow a tropical storm. The forecast length was at least for 3 days. In all, 39 forecasts are done for 5 named storms in the season: Katrina, Maria, Ophelia, Rita and Wilma.
The objective of the work is to evaluate the improvements that can be expected when a high-resolution, convection-permitting model is used to forecast the track and intensity of tropical cyclones. We shall present track and intensity forecast statistics, together with a discussion of capacity to predict wind and precipitation structure.
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