Verse 21

नृसिंहमारुते तस्मिन्भृशं क्षोभमुपागते । ।विस्फूर्जितघनास्फोटैरेकार्णव इवाकुले

In plain words

When that wind of Nṛsiṃha had grown greatly turbulent, with the crashing bursts of thundering clouds, as the one ocean of dissolution grows turbulent —