Selon FN:
Taking out his starstone on its chain around his neck, Rumail focused on its depths, using its resonances to amplify his laran. He launched his mind aloft, into the currents of air, and felt a wash of relief. This was a natural wind and not one created by psychic meddling with weather patterns. The Aldarans were rumored to do this on huge scale, and most circles could manipulate rain clouds at some degree.