一个人造台风方案及其在移动套网格模式中的应用
A BOGUS TYPHOON SCHEME AND ITS APPLICATION TO A MOVABLE NESTED MESH MODEL
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摘要: 发展了一个用于台风路径预报的初始场人造台风方案。该方案除包含对称台风环流外,也考虑了非对称凤的作用。使用双向移动套网格模式作的试验预报结果表明,初始场中引入人造台风后能明显提高路径预报的水平。Abstract: A bogus typhoon initialization scheme deigned for typhoon trace prediction is developed in thes paper. In addition to a symmetric typhoon circulation,an asymmetric wind effect is also included in the scheme. By using a two-way interactive movable nested mesh model,experimental forecasts are performed. It is found that introducing the bogus typhoon into initialization can evidently enhance the track forecast skill.
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Key words:
- Bogus typhoon /
- Track predication /
- Nested mesh model
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