The weather forecast predicted early morning fog up at Renvyle, so I left in good time to catch the dawn. I was hoping to see a bank of fog seeping in from the sea from a high vantage point I'd selected on the coast. I opened my front door to a real pea-souper which I didn't drive out of for several miles, and as I drove cross country I'd go from perfectly clear patches where I could see the stars in the sky to heavy fog where I couldn't see much more than the road. I got to the location but there was only a small sliver of fog - not enough for what I had in mind - so I headed for