2 Samuel 22:9-10

9 Smoke ascended from
Heb “within” or “[from] within.” For a discussion of the use of the preposition בְּ (bet) here, see R. B. Chisholm, “An Exegetical and Theological Study of Psalm 18/2 Samuel 22” (Th.D. diss., Dallas Theological Seminary, 1983), 163–64.
his nose;
Or “in his anger.” The noun אַף (’af) can carry the abstract meaning “anger,” but the parallelism (note “from his mouth”) suggests the more concrete meaning “nose” here (most English versions, “nostrils”). See also v. 16, “the powerful breath of your nose.”

fire devoured as it came from his mouth;
Heb “fire from his mouth devoured.” In this poetic narrative the prefixed verbal form is best understood as a preterite indicating past tense, not an imperfect. Note the two perfect verbal forms in the verse.
For other examples of fire as a weapon in Old Testament theophanies and ancient Near Eastern portrayals of warring gods and kings, see R. B. Chisholm, “An Exegetical and Theological Study of Psalm 18/2 Samuel 22” (Th.D. diss., Dallas Theological Seminary, 1983), 165–67.

he hurled down fiery coals.
Heb “coals burned from him.” Perhaps the psalmist pictures God’s fiery breath igniting coals (see Job 41:21), which he then hurls as weapons (see Ps 120:4).

10 He made the sky sink
The verb נָטָה (natah) can carry the sense “[to cause to] bend; [to cause to] bow down” (see HALOT 693 s.v. נָטָה). For example, Gen 49:15 pictures Issachar as a donkey that “bends” its shoulder or back under a burden (cf. KJV, NASB, NRSV “He bowed the heavens”; NAB “He inclined the heavens”). Here the Lord causes the sky, pictured as a dome or vault, to bend or sink down as he descends in the storm.
as he descended;
a thick cloud was under his feet.
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