Very cool. This is a good way of doing things. I was the same last night - with opportunistic water.
I wanted to wash my car, but I waited until the cyclone arrived and got it washed without any effort ;-)
It's a win/win - I get my car washed and the cyclone get some cudos for doing some good, instead of just for flooding everyone ;-)
We ended up being quite lucky in that most of it passed us by, so my car is only mostly clean ;-)
LOL - Free car wash!