אֵ֣שׁ וּ֭בָרָד שֶׁ֣לֶג וְקִיט֑וֹר ר֥וּחַ סְ֝עָרָ֗ה עֹשָׂ֥ה דְבָרֽוֹ׃
hai api dan hujan es, salju dan kabut, angin badai yang melaksanakan firman-Nya;
Rashi
and vapor וקיטור, an expression of a mist called bruine or broine in Old French, mist, fog.
Rashi
a storm wind which performs His word and His mission. Our Sages said (Chag. 12b): These things were originally hidden in heaven, and David came and brought them down to earth because they are kinds of punishment, and it is not fitting for them to be hidden in the dwellings of the Holy One, blessed be He.