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首页> 外文期刊>SOLA: Scientific Online Letters on the Atmosphere >Observing Systems Simulation Experiments on Abnormally High Surface Air Temperatures in the Tokyo Metropolitan Area Using WRF-VAR
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Observing Systems Simulation Experiments on Abnormally High Surface Air Temperatures in the Tokyo Metropolitan Area Using WRF-VAR

机译：使用WRF-VAR的东京都会区异常高温的观测系统模拟实验

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References(8) Cited-By(1) Supplementary materials(5) The impact of a foehn phenomenon on the generation of abnormally high surface air temperatures in the Tokyo metropolitan area was investigated through Observing Systems Simulation Experiments (OSSEs) by the use of the variational data assimilation system equipped on Weather Research and Forecasting model (WRF-VAR). First, an abnormally hot weather event on August 16, 2007 was simulated using the JMA’s operational meso-scale analysis data to produce “simulated observations”. Then, the vertical profiles of the simulated observations over several sites were assimilated into an initial field. Results of OSSEs demonstrated that northwesterly winds and high-temperature air associated with the foehn strongly affect the generation of the abnormally high surface air temperatures. Also, the results indicated that southerly sea breezes prevent the impact of the foehn from spreading to the southern part of the metropolitan area.
机译：参考文献（8）被引用的文献（1）补充材料（5）通过观测系统模拟实验（OSSE），研究了foehn现象对东京都会区异常高的地面气温产生的影响。基于天气研究和预报模型（WRF-VAR）的变分数据同化系统。首先，使用JMA的操作中尺度分析数据模拟了2007年8月16日的异常炎热天气事件，以产生“模拟观测”。然后，将模拟观测值在多个位置的垂直剖面吸收到初始场中。 OSSE的结果表明，西北风和与大气有关的高温空气会强烈影响异常高的地面空气温度的产生。而且，结果表明，海风向南阻止了风的影响扩散到大都市的南部。

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