based on earlier work seen somewhere in the net. since the B-scale has worked well but ends up at the point where a wooden, well-built ship disintegrates, taking no account to the washed-to-shore iron-hulled fishing boats which still may float someday.
the table in graphical format (no tornado ever has been 11):
Update: Sharing the .ods -file used to make the images. (Hurricane Patricia (2015) with measured measured winds of 175 kt = 5,83 hfws = cat 6) added to the list
https://drive.google.com/file/d/0B34nFtPgUZzjUWhpTl9sQXhzT2M/view?usp=sharing
As can be seen nothing happens at -5 (calm), and at >+5 everything happens.
Theoretically possible would be a category 7 in this scale, as described here: https://robertscribbler.com/2016/07/29/hothouse-2090-category-6-hurricane-a-grey-swansong-for-tampa/
Let's hope it won't get to that.
