SB 3.17.6
uddhasat-tadid-ambhoda-
ghataya nasta-bhagane
vyomni pravista-tamasa
na sma vyadrsyate padam
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
The luminaries in the heavens were screened by masses of clouds, in which lightning sometimes flashed as though laughing. Darkness reigned everywhere, and nothing could be seen.