Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 9

Sanskrit:

विद्योतमाना विद्युद्भ‍ि: स्तनन्त: स्तनयित्नुभि: । तीव्रैर्मरुद्गणैर्नुन्ना ववृषुर्जलशर्करा: ॥ ९ ॥

ITRANS:

vidyotamānā vidyudbhiḥstanantaḥ stanayitnubhiḥtīvrair marud-gaṇair nunnāvavṛṣur jala-śarkarāḥ

Translation:

Propelled by the fearsome wind-gods, the clouds blazed with lightning bolts and roared with thunder as they hurled down hailstones.

Purport:

Śrīla Śrīdhara Svāmī explains that the word marud-gaṇaiḥ indicates the seven great winds, such as Āvaha, who presides over the region of Bhuvarloka, and Pravaha, who holds the planets in their places.