雷暴是一种在夏季常见的自然现象，通常伴有短时强降水、雷电、大风等现象。本期视频会讲解雷暴的形成原因及对于小尺度范围的天气现象预测困难的原因。

Thunderstorms are a common natural phenomenon in summer. They are usually accompanied by short periods of heavy rainfall, lightning and strong winds.This video explains why thunderstorms form and why it's difficult to predict weather events on a small scale.