Pea soup, as in "fog thicker than." You don't have to be a regular reader here to know what a Weather-Out-The-Window(tm) forecast like this means. It's so foggy that even Brave Sir Hogarth can't find an excuse to wake the neighbors with his booming bark:
A second opinion from the front window confirmed it:
It's a Boat Works day. Check back later for a progress update.