The Fog has been a staple of Seattle life for as long as anyone can remember. While Seattle certainly has its share of clear, beautiful days, they are not all this way. When the fog comes in, it lays low, thick and heavy. Those who go out in it are known to be taking their life in their hands.
For the mundane, this is put off as being simply dangerous because of the lack of visibility. For those who know better, people who go out in the fog often come back a little more odd, if they come back at all.
The Fomor are known to use the fog as cover when trying to come in to take over someone else’s territory in Seattle.