Just tested on beta on a premade monk that has never been to Deepholm, and without the breadcrumb quest in my logs, I was able to access the first quests in Temple of Earth. So yes, this potion will let you cheat the travel to Orgrimmar and the fly in quest.
The Atlantic hurricane season is a time when most tropical cyclones are expected to develop across the northern Atlantic Ocean. It is currently defined as the time frame from June 1 through November 30, though in the past the season was defined as a shorter time frame.
Hurricane season is June through November, with the highest probability starting mid August and ending late September. Hilton Head was last hit by a hurricane in the year 1896, though there have been several scares that caused evacuations.