...(1) Boundary lightning, frontal lightning Generally, thunderstorms often occur at the boundary between two air masses with different temperatures, and thunderstorms with intense discharge activity often occur on cold fronts. (2) Thermal lightning, air mass lightning Even within the same air mass, if the temperature drop with altitude is significantly greater than the standard state, the atmosphere becomes unstable and thunderclouds form. Thunderstorms that occur in inland and mountainous areas on summer afternoons and thunderstorms that occur over the sea in winter belong to this category. ... *Some of the terminology that refers to "air mass lightning" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…(1)界雷,前線雷 一般に雷雨は,寒暖気温の異なる二つの気団の境界面で発生することが多く,放電活動の激しい雷雨は寒冷前線上に発生することが多い。(2)熱雷,気団雷 同一気団内でも,高度による気温低下が標準状態より著しく大きくなると大気は不安定となり,雷雲を発生する。夏の午後に内陸や山岳地域で発生する雷雨,冬季に海上で発生する雷雨がこれに属する。… ※「気団雷」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
>>: Air Mass Transformation Experiment
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