15 And Moses went up onto the mount, and the cloud covered the mount.
Exodus 24:15 Cross References - ACV
Exodus 19:9
9 And LORD said to Moses, Lo, I come to thee in a thick cloud, that the people may hear when I speak with thee, and may also believe thee forever. And Moses told the words of the people to LORD.
Exodus 19:16
16 And it came to pass on the third day, when it was morning, that there were thunders and lightnings, and a thick cloud upon the mount, and the voice of an exceedingly loud trumpet. And all the people who were in the camp trembled.
2 Chronicles 6:1
1 Then Solomon spoke, LORD has said that he would dwell in the thick darkness.
Matthew 17:5
5 While he was still speaking, behold, a bright cloud overshadowed them. And lo, a voice out of the cloud, saying, This is my beloved Son in whom I am well pleased. Hear ye him.