User blog comment:Darkcloud1111/Good Idea, Bad Idea~Dance Dance Infiltration/@comment-5217560-20140915175601/@comment-3146930-20140917002326

With Glynda, it wouldn't just be Aura but Dust as well. Glynda as said above is seen using Glyphs during her fight with Cinder. However she may have used Dust to cause the hail storm, Dust being controlled by her Aura in combination with her Semblance to make storm clouds. Her being able to move things could be Energy-Dust giving objects movement with her using her crop as a way to focus her energy.

Either way, I hope the release a guide book or something with every character's Semblance clearly described.