首页> 外文会议>30th International Conference on Radar Meteorology, Jul 19-24, 2001, Munich, Germany >ON THE PARAMETERIZATION OF LIGHTNING BASED ON RADAR OBSERVATIONS OF THUNDERSTORMS
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ON THE PARAMETERIZATION OF LIGHTNING BASED ON RADAR OBSERVATIONS OF THUNDERSTORMS

机译:基于雷暴雷达观测的闪电参数化研究

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These findings indicate that, when looking at the fine scale details of storm development, a simple parameterization of lightning depending on cloud top heights is problematic. The temporal evolution of an individual storm has shown that it is obviously not sufficient to take into account a simple phase shift in time but the decrease of lightning activity has to be considered by some additional parameter. Possibly this behavior indicates that not only higher level features of updrafts and cloud top are important but also processes at mid or low levels. A statistics of storm cells from 5 different observational days during summer of 1998 gave indication that a simple parameterization based on cloud top height can hardly describe the observations. Total flash rate tends to be underestimated for the higher clouds.
机译:这些发现表明,当查看暴风雨发展的精细尺度细节时,取决于云顶高度的简单闪电参数化是有问题的。单个风暴的时间演变表明,仅仅考虑时间上的简单相移显然是不够的,但是必须通过一些附加参数来考虑闪电活动的减少。这种行为可能表明,不仅上流和云层的高层特征很重要,而且中低层的过程也很重要。 1998年夏季,来自5个不同观测日的风暴单元的统计数据表明,基于云顶高度的简单参数化几乎无法描述观测结果。对于较高的云层,总闪速往往会被低估。

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