Numbers 9:15-17

15On the day the tabernacle, the tent of the covenant law, was set up, the cloud covered it. From evening till morning the cloud above the tabernacle looked like fire.

16That is how it continued to be; the cloud covered it, and at night it looked like fire.

17Whenever the cloud lifted from above the tent, the Israelites set out; wherever the cloud settled, the Israelites encamped.