Later, as the sun deserted the sky and the streets gripped the fog, those Scarlet Sisters, Minna and Ada Everleigh, ordered his unconscious body smuggled out and planted in his home.

NPR: Elevating the World's Oldest Profession in Chicago

Even dull, ponderous old stratus basically fog-in-the-sky gets a friendly mention.

ECONOMIST: Meteorology

Their solution was to yield most of the canvas or panel to the gray, fog-and cloud-filled sky (curator Emilie Gordenker, director of the Mauritshuis, calls them "our Dutch mountains"), with blue openings torn into the gray here and there so that spots of sunlight could illuminate parts of the land or water below.

WSJ: de Young Museum: More Than Just the Girl

The low gray sky was tangling with the treetops as murky blotches of fog rested in the yards.

NEWYORKER: Waiting