Okay, two can play...that atmospheric phenomena the Aussies call 'sheet lightning' was something I observed many times whilst riding my horse, droving, behind a herd of Hereford cattle. Obviously, (as far as I know) the horse and the Herefords are somehow connected to what I observed...
Q: what's brown, is found in a pasture, and makes a noise when you step on it?
A: a hereford