Hurricane names

During this stormy season, all of the 2005 names have already been used, so the most recent storm is named Alpha. I wondered why they skipped from Wilma straight to Alpha. What about Xavier, Yolanda, and Zachary? There are plenty of names that begin with X,Y, and Z. Show some creativity, hurricane namers. However, there seems to be a strict format that dictates the naming of storms, explained on this website. No Hurricane Eileens anytime soon.