This wind is the breath of Vishnu's nostrils. When moved with speed, it begins to blow with great vehemence at which the whole universe becomes agitated.
विष्णोनि:श्वासवातोऽयं यदा वेगसमीरितः। सहसोदीर्यते तात जगत् प्रव्यथते तदा॥