Cross reference
Exodus 24:15
15 Moses went up on the mountain, and the cloud covered the mountain.
Exodus 19:9
9 Yahweh said to Moses, "Behold, I come to you in a thick cloud, that the people may hear when I speak with you, and may also believe you forever." Moses told the words of the people to Yahweh.
Exodus 19:16
16 It happened on the third day, when it was morning, that there were thunders and lightnings, and a thick cloud on the mountain, and the sound of an exceedingly loud trumpet; and all the people who were in the camp trembled.
Matthew 17:5
5 While he was still speaking, behold, a bright cloud overshadowed them. Behold, a voice came out of the cloud, saying, "This is my beloved Son, in whom I am well pleased. Listen to him."
2 Chronicles 6:1
1 Then spoke Solomon, Yahweh has said that he would dwell in the thick darkness.