Bucketing or pissing it down?

Someone realized that we didn’t have enough words for rain, and decided to create a scale with names and definitions over at the BBC.

http://www.bbc.co.uk/news/magazine-18458966

For any Douglas Adams fans, you might remember the truck driver in So Long And Thanks For All The Fish who had two hundred and thirty-one different types of rain in his system. (excerpt of chapter 2: http://www.angelfire.com/ca3/tomsnyder/hg-4-02.html)

Thoughts?