apa-ṛtu - out of season; ati-ulbaṇam - unusually fierce; varṣam - rain; ati-vātam - accompanied by great wind; śilā-mayam - full of hailstones; sva-yage - his sacrifice; vihate - having been stopped; asmābhiḥ - by Ourselves; indraḥ - King Indra; nāśāya - for destruction; varṣati - is raining.

[Śrī Kṛṣṇa said to Himself:] Because We have stopped his sacrifice, Indra has caused this unusually fierce, unseasonable rain, together with terrible winds and hail.