The author compares the character by comparing the fog to a cat.
Explanation:
The story says, "The fog comes on little cat feet. It sits looking over harbor and city on silent haunches and then moves on." And that shows that we can guess that the author compared it to a cat.
Answer: look in the comments for the answer if it's still there please I wrote it myself and thought it was pretty good to make up one on the spot u might have to scroll up a bit to find it but it's there
