Analysis of Thunderstorm Cloud Echo in Summer

Based on the data of thunderstorm cloud echo obtained by 713 radar from June to July,2000,the characteristic of thunderstorm,weather situation and the a tmospheric stability are analysed.Results show that the echo top reaches 17-18km,the maximum reflectivity is 55dBz and the maximum reflectivity for most of the thunderstorm is 40-45dBz,which mainly form on the thunderstorm cloud cluster-thunderstorm short zone of level scale>30km.Like the severe weather such as hea vy precipitation,the strong wind with thunder rain and hail,the strong thunderst orm is related on the topography and from the inside of strongly developed thund erstorm.

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