| 摘要: |
| 本文建立了一个包含地形的σ坐标6层中尺度—α模式。用这个模式对一次华南暴雨过程作了数值试验。结果表明,此模式有能力预报出华南前汛期暴雨的落区,初值场和与陆风有关的沿海对流云团对预报的风场和降水有一定的影响。 |
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| NUMERICAL SIMULATION OF A HEAVY RAIN CASE DURING THE SPRING RAIN-SEASON IN SOUTH CHINA |
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He Xicheng, Xue Jishan, Wang Kangling
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Guangdong Institute of Tropical and Oceanic Meteorology
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| Abstract: |
| In this paper, a six-layer mesoscale model with topography in sigma coordinate is developed. A heavy rain event has been simulated with this model. The results show that the model is capable of predicting rainfall regions during the spring rain-season in South China, and that both initial conditions and coastal convective cloud clusters associated with land breeze have effects on the predictive wind fields and precipitation areas. |
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