本文用主分量分析法建立了雷云等强对流天气的综合判别式。
This paper presents a comprehensive recognition formula of hailstorm cloud by using principal component analysis.
对流有效位能(CAPE)是强对流天气分析预报的重要参数。
CAPE is an important parameter in strong convective weather analysis and prediction.
分析指出，该飑线系统是由高空槽前型的上干下湿引起的不稳定强对流天气。
The squall line is a kind of instable and strong convective weather caused by the air with upper-layer dry and lower-layer wet in front of the upper-troposphere trough.
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