地面实况

地面实况特设工作组；

Ad hoc ground truth working group ;

本文将1971年&1978年6～8月永登防雹试验基地09时施放的660次无线电探空资料、测雨雷达及地面实况资料进行了分析。

Data of 660 radio-soundings launched at 9 o'clock during June , July and August , 1971-1978 and data of weather radar and surface observations in the same period in Yongdeng Hail Suppression Test site have been analysed .

作业后从地面降水实况资料上看，在作业炮点的上游出现了大降水中心，表明人工增雨作业可以改变自然降水的原始分布，增加局部地区的降水。

The surface rain observation data after the operation shows that there is a large precipitation center in the upstream of the operating site , which means that the operation changed the original distribution of natural precipitation , increased the rainfall in parts of the area .

利用地面和高空的实况观测资料、NCEP再分析资料以及FY-2C卫星云图资料，并通过中尺度Barnes滤波和物理量诊断分析，对麦莎台风变性过程进行了研究。

By employing the actual observations of upper air and surface , NCEP reanalysis data and FY-2C satellite cloud image , by using the methods of mesoscale Barnes filtering and physical diagnosis , ' MATSA ' is analyzed .