Jeremiah 10:13

When he uttereth his voice, there is a multitude of waters in the heavens, and he causeth the vapours to ascend from the ends of the earth; he maketh lightnings with rain, and bringeth forth the wind out of his treasures.

When He uttereth His voice - literally, 'At the voice of His giving forth,' i:e., when He thundereth, (; Psalms 29:3, "The voice of the Lord is upon the waters, the God of glory thundereth," etc.)

Waters in the heavens - (), above the firmament; heavy rains accompany thunder.

He causeth the vapours to ascend - ().

Treasures - His stores.