Srimad-Bhagavatam: Canto 4 - Chapter 1 - Verse 23
Sanskrit:
क्षणेनाच्छादितं व्योम घनानीकेन सर्वत: ।विस्फुरत्तडिता दिक्षु त्रासयत्स्तनयित्नुना ॥ २३ ॥
ITRANS:
kṣaṇenācchāditaṁ vyomaghanānīkena sarvataḥvisphurat-taḍitā dikṣutrāsayat-stanayitnunā
Translation:
Within a moment the whole sky was overcast with dense clouds, and severe thundering was heard. There was glittering electric lightning and severe rainfall.