After that, O King, groups of multicolored clouds will gather, roaring terribly with thunder, and will pour down floods of rain for one hundred years.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
परः सांवर्तको वाति धूम्रं खं रजसाऽऽवृतम् । ततो मेघकुलान्यङ्ग चित्रवर्णान्यनेकशः
paraḥ sāṃvartako vāti dhūmraṃ khaṃ rajasā''vṛtam | tato meghakulānyaṅga citravarṇānyanekaśaḥ
SB 12.4.12