Yahweh's anger burned against them

Yahweh's anger is spoken of as if it were a fire. AT: "Yahweh became very angry with them" (See: rc://en/ta/man/translate/figs-metaphor)

was as white as snow

Leprosy turned Miriam's skin white. AT: "became very white" (See: rc://en/ta/man/translate/figs-simile)