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Simulation of tropical cyclones using regional weather prediction models

机译:使用区域天气预报模型模拟热带气旋

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Two non-hydrostatic mesoscale models, namely the Regional Atmospheric Modelling System (RAMS) and the PSU/NCAR Fifth-Generation Mesoscale Model (MM5) have been used to simulate various meteorological features associated with the tropical cyclones formed over the Bay of Bengal. Some of the simulation results, such as the horizontal distributions of winds, temperature, associated rainfall, cyclone tracks, moisture convection and height of the planetary boundary layer have been presented. These results are compared with the observations to assess the capability of these models in simulating various meteorological phenomena over the Indian subcontinent and it is established that the RMS errors for predicted zonal winds U, the meridional winds V, and the temperature T are within the acceptable limits. Both the models are also able to produce the warm core structure of the tropical cyclones. We also highlight a few potential areas of research to improve the model simulations of various weather events, specific to this region. [References: 22]
机译:两种非静水中尺度模型,即区域大气建模系统(RAMS)和PSU / NCAR第五代中尺度模型(MM5),已被用来模拟与孟加拉湾上空形成的热带气旋有关的各种气象特征。给出了一些模拟结果,例如风的水平分布,温度,相关的降雨,旋风径迹,水分对流和行星边界层的高度。将这些结果与观测值进行比较,以评估这些模型在模拟印度次大陆上各种气象现象的能力,并确定预测的纬向风U,子午风V和温度T的RMS误差在可接受范围内限制。两种模型都能够产生热带气旋的暖芯结构。我们还将重点介绍一些潜在的研究领域,以改进针对该地区的各种天气事件的模型模拟。 [参考:22]

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