What is the prophetic meaning of thunder and lightening?

When God is establishing and making His covenant with man on the Earth, there is always a witness of thunderings, lightening and followed with rain that confirms this Covenant bond.

Exodus 19:16
Then it came to pass on the third day, in the morning, that there were thunderings and lightnings, and a thick cloud on the mountain; and the sound of the trumpet was very loud, so that all the people who were in the camp trembled.

Exodus 20:18
[ The People Afraid of God’s Presence ] Now all the people witnessed the thunderings, the lightning flashes, the sound of the trumpet, and the mountain smoking; and when the people saw it, they trembled and stood afar off.

Revelation 4:5
And from the throne proceeded lightnings, thunderings, and voices. Seven lamps of fire were burning before the throne, which are the seven Spirits of God.

Revelation 8:5
Then the angel took the censer, filled it with fire from the altar, and threw it to the earth. And there were noises, thunderings, lightnings, and an earthquake.

Revelation 11:19
Then the temple of God was opened in heaven, and the ark of His covenant was seen in His temple.

And there were lightnings, noises, thunderings, an earthquake, and great hail.

Revelation 16:18
And there were noises and thunderings and lightnings; and there was a great earthquake, such a mighty and great earthquake as had not occurred since men were on the earth.

Revelation 19:6
And I heard, as it were, the voice of a great multitude, as the sound of many waters and as the sound of mighty thunderings, saying, “Alleluia! For the Lord God Omnipotent reigns!