The energy in wind should not be thought of in terms like mph.A sailboats best point of sail is a beam reach(until hurricanes) ie across the wind, almost always exceeding wind speed, the area of energy capture (sail area)is more important then wind speed.
My observations in our area are nobody parks in their garage, its full of junk that you couldn't get $100 for at a yard sale.
so where are all these garage users?
google baking soda and peroxide, its just a bodily fluid like real strong pee ,you have to break the chemical bond and peroxide will do that.
safe for pets formula is on the net.