I've never been on the Everglades Parkway ... I hear tell that it's blocking the fresh water intrusion into the Everglades, and this is a horrible thing for the Everglades ...
Typhoon Tip is generally considered to be close to the frictional limit of the atmosphere ... as demonstrated by this being the strongest tropical cyclone ever recorded ... I don't know if we'll find textbook material in the scientific literature, at least not in English ...
The Saffir-Simpson scale only needs to go up to Category 5 ... tropical cyclones cover to much area to get any stronger ...