Used metaphorically for the voice of God (Job 37: 2, 5; Ps. 29: 3; John 12: 28–9) and the awesome holiness of God (Isa. 33: 3, REB).
Citation for thunder
Citation styles are based on the Chicago Manual of Style, 15th Ed., and the MLA Style Manual, 2nd Ed..
MLA
"thunder." In A Dictionary of the Bible. Ed. W. R. F. Browning. Oxford Biblical Studies Online. Feb 28, 2015. <http://www.oxfordbiblicalcstudies.com/article/opr/t94/e1910>.
Chicago
"thunder." In A Dictionary of the Bible. , edited by W. R. F. Browning. Oxford Biblical Studies Online, http://www.oxfordbiblicalcstudies.com/article/opr/t94/e1910 (accessed Feb 28, 2015).