And then suddenly that black fog bank struck us and instead of fog it was a terrific storm cloud!
The Barracouta, he knew, was moored not fifty feet out in the black fog.
There was a black fog upon this November day, and the atmosphere out of doors was cold and bleak.
We went in at his door; and at first I thought I must have got into a black fog.
Both he and I were too shaken by the scene just past for many words, and outside the black fog caught and held us by the throat.
A black fog seemed to close in around the Earthman's senses.
When I rose next morning it was dark as night, for a black fog had fallen upon the city.
Even when one could see, every step was treacherous, but in that black fog I might as well have been blind and deaf.
During this time the moon became covered with clouds, and a black fog rose over the sea.
Portland Place at Christmas in a black fog was never a rosy landscape, but in 1861 the most hardened Londoner lost his ruddiness.