Thunder, the shock wave that comes from a lightning flash, is thought to be the trigger for the torrential rain that is typical of storms.

雷电是由闪电产生的冲击波，它被认为是引发暴雨的原因，而暴雨是风暴的典型特征。

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There was a flash of lightning and the house was plunged into darkness.

雷电闪过，房子陷入一片黑暗之中。

《牛津词典》

Another flash of lightning lit up the cave.

又一道闪电照亮了那个洞穴。

《柯林斯英汉双解大词典》

The power went out Friday around midnight after a large green lightning flash in the driving snow that plunged us into darkness.

FORBES: The 2013 Blizzard in Scituate, MA: Notes From the Storm and its Aftermath

Somewhere in these flashing mirrors, we mistake the flash-lit celebrity, the lightning-strike story, for confirmed reality.

CNN: Te'o tale a mirror to our gullibility?