Topic 1.5 Numerical Model Guidance IWTC-V (Cairns, Australia, 2002) Shuyi S. Chen 1 and Naomi Surgi...
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Transcript of Topic 1.5 Numerical Model Guidance IWTC-V (Cairns, Australia, 2002) Shuyi S. Chen 1 and Naomi Surgi...
![Page 1: Topic 1.5 Numerical Model Guidance IWTC-V (Cairns, Australia, 2002) Shuyi S. Chen 1 and Naomi Surgi 2 1 University of Miami/RSMAS (USA) 2 NOAA/NCEP/EMC.](https://reader035.fdocuments.us/reader035/viewer/2022062802/56649ebd5503460f94bc65ff/html5/thumbnails/1.jpg)
Topic 1.5 Numerical Model GuidanceIWTC-V (Cairns, Australia, 2002)
Shuyi S. Chen1 and Naomi Surgi2
1University of Miami/RSMAS (USA)2NOAA/NCEP/EMC (USA)
Working Group: S. Braun, I. Ginis, C.-S. Liu, K.Walsh
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• Model physics
• Air-sea and air-land coupling
• Vortex initialization (inner-core data assimilations)
• Environmental effects
• Model configuration
Operational Modeling Efforts
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• High-resolution atmospheric modeling (impact on intensity and quantitative precipitation forecasting)
• Environmental effects on tropical cyclones• Moist convective processes• Atmospheric boundary layer• Air-sea interface (atmosphere-wave-ocean
coupling)
Research Modeling Efforts
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• Structure and Intensity Changes (e.g., eyewall replacement cycle)
• Quantitative Precipitation Forecasting
Special Focus
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Uncoupled
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Hurricane Floyd (1999)
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Sensitivity to Model Resolution
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15 km 1.67 km
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1.67 km 5 km
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Sensitivity to Physical Parameterizations
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Braun and Tao (2000)
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Braun and Tao (2000)
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Hurricane Bonnie
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(Simple Ice)(GSFC)