That wind which is the first in the above number and which is known by the name of Pravaha (Samana) drives, along the first course, masses of clouds born of smoke and heat. Passing through the sky, and coming into contact with the water in the clouds, that wind shows itself in effulgence among the darts of lightening.
प्रेरयत्यभ्रसंघातान् धूमजांचोष्मजांश्च यः। प्रथमः प्रथमे मार्गे प्रवहो नाम योऽनिलः॥ अम्बरे स्नेहमभ्येत्य विद्युयश्च महाद्युतिः।