Discovery BoxExodus 19:16 
Context19:16 On 1 the third day in the morning there was thunder and lightning and a dense 2 cloud on the mountain, and the sound of a very loud 3 horn; 4 all the people who were in the camp trembled.
Exodus 19:18
Context19:18 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, 5 and the whole mountain shook 6 violently.
Exodus 19:20
Context19:20 The Lord came down on Mount Sinai, on the top of the mountain, and the Lord summoned Moses to the top of the mountain, and Moses went up.
1 tn Heb “and it was on.”
2 tn Heb “heavy” (כָּבֵד, kaved).
3 tn Literally “strong” (חָזָק, khazaq).
4 tn The word here is שֹׁפָר (shofar), the normal word for “horn.” This word is used especially to announce something important in a public event (see 1 Kgs 1:34; 2 Sam 6:15). The previous word used in the context (v. 16) was יֹבֵל (yovel, “ram’s horn”).
5 sn The image is that of a large kiln, as in Gen 19:28.
6 tn This is the same word translated “trembled” above (v. 16).
