云顶亮温 meaning in English

tbb

In addition , a thought of how to use the mesoscale convergence center , tbb of convective cloud and the radar echo for rainfall rate to predict the mesoscale rain cluster is presented
提出利用逐时的中尺度辐合中心、卫星红外云图云顶亮温及雷达回波降水率做中尺度雨团量级预测思路。
( 2 ) based on the analysis of lightning and satellite data , it was found that cg flashes generally occur in the cloud region with tbb < - 60 . negative flashes mainly occur at the front part of
负闪电主要发生在mcc云体的前部且云顶亮温最低的区域( <一70 ) ，正闪电主要出现在mcc最低云顶亮温区的后部。