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首页> 外文期刊>Journal of Applied Meteorology and Climatology >Automatic Designation of the Melting Layer with a Polarimetric Prototype of the WSR-88D Radar
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Automatic Designation of the Melting Layer with a Polarimetric Prototype of the WSR-88D Radar

机译:使用WSR-88D雷达的极化原型自动指定融化层

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摘要

A new polarimetric melting layer detection algorithm (MLDA) is utilized to estimate the top (melting level) and bottom boundaries of the melting layer and is tailored for operational deployment. Melting layer designations from a polarimetric prototypeof the Weather Surveillance Radar-1988 Doppler (WSR-88D) in central Oklahoma are validated using radiosonde and model temperature analysis. It is demonstrated that the MLDA estimates the top of the melting layer with a root-mean-square error of about 200 m within 60 km of the radar. There is evidence that the polarimetric radar might yield better spatial and temporal designation of the melting layer within the storm than that obtained from existing numerical model output and soundings.
机译:一种新的极化熔融层检测算法(MLDA)用于估算熔融层的顶部(熔融水平)和底部边界,并针对操作部署进行了定制。使用无线电探空仪和模型温度分析验证了俄克拉荷马州中部天气监测雷达1988多普勒(WSR-88D)偏振样机的熔融层名称。结果表明,MLDA在距雷达60 km的范围内估计融化层的顶部,均方根误差约为200 m。有证据表明,与从现有数值模型输出和测深获得的数据相比,极化雷达可能会更好地在风暴中对融化层进行时空指定。

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