tataḥ - thereafter; mahā-ghanāḥ - big clouds; vyomni - in the sky; gambhīra-paruṣa-svanāḥ - making very deep rumbling sounds; aṅgārān - embers; mumucuḥ - released; vātaiḥ - by the strong winds; āhatāḥ - harassed; stanayitnavaḥ - with the sound of thunder.

Fierce clouds, harassed by strong winds, then appeared in the sky. Rumbling very gravely with the sound of thunder, they began to shower live coals.