whirlwind - emblematic of God’s judgments (Jer 23:19; Jer 25:32).
out of the north - that is, from Chaldea, whose hostile forces would invade Judea from a northerly direction. The prophet conceives himself in the temple.
fire infolding itself - laying hold on whatever surrounds it, drawing it to itself, and devouring it. Literally, “catching itself,” that is, kindling itself [Fairbairn]. The same Hebrew occurs in Exo 9:24, as to the “fire mingled with the hail.”
brightness ... about it - that is, about the “cloud.”
out of the midst thereof - that is, out of the midst of the “fire.”
colour of amber - rather, “the glancing brightness (literally, ‘the eye’, and so the glancing appearance) of polished brass. The Hebrew, chasmal, is from two roots, “smooth” and “brass” (compare Eze 1:7; Rev 1:15) [Gesenius]. The Septuagint and Vulgate translate it, “electrum”; a brilliant metal compounded of gold and silver.