His breath (or wind): God's authority clears the skies after a storm (26:12).
The fleeing serpent relates to "Yam" and "Rahab" (see study note on 7:12). It provides background for the image of Satan as a "dragon" (Isaiah 27:1; also Psalm 74:13–14; see Genesis 3:15; Romans 16:20; Revelation 12:9; 20:2).