Thunder
Archimandrite Nikifor’s Biblical Encyclopedia

(Isa. 29:6; Job 26:14; Ps. 29 [28]:3, 8 [as given]; Ps. 104 [103]:7) — a majestic natural phenomenon. By the laws of physics, thunder is nothing other than a powerful sound in masses of airborne clouds, arising from their being cleft by lightning (an intensified electrical spark). The majestic peals of thunder in the book of Psalms are represented as the wrath of God: "The voice of the Lord is upon the waters: the God of glory thundereth. The voice of the Lord is powerful; the voice of the Lord