Exodus 14:28

14:28 The water returned and covered the chariots and the horsemen and all the army of Pharaoh that was coming after the Israelites into the sea – not so much as one of them survived!

Exodus 19:18

19:18 Now Mount Sinai was completely covered with smoke because the Lord had descended on it in fire, and its smoke went up like the smoke of a great furnace, and the whole mountain shook violently.

Exodus 24:16

24:16 The glory of the Lord resided on Mount Sinai, and the cloud covered it for six days. On the seventh day he called to Moses from within the cloud.