Lightning strike or lightning bolt might be 襲雷, pronounced shuurai.
Improvement:
Shuurai and the meaning mentioned for it is correct. If you mean 'lightning' in Japanese, it is 電光 /den kou/ literally meaning 'electric ray'.
The Japanese word for lightning is Inazuma.
lightning = ברק (baraq)
Fulmen is the Latin word for lightning bolt.
The word 'lightning' has 2 syllables.
Beware of lightning!
This concept is based on a scientific principle rather than a theory or law. It is known as the relationship between lightning and thunder, where the sound of thunder follows the flash of lightning due to the rapid expansion and contraction of air molecules caused by the intense heat of the lightning.
The word 'fulgur' may be used to mean lightning in English.
Benjamin Franklin invented the lightning rod.
The opposite of lightning is darkness or nightfall.
Neither, its nonsense.
1.21 gigawatts. Source: Doctor Emmitt Brown, Back to the Future
The Spanish word for "lightning" is "relampago" or "rayo".