"wall of fog" is a correct and usable phrase in written English.
It can be used to describe a thick layer of fog that appears to form a wall, or barrier, obstructing visibility. It is commonly used in descriptive writing to enhance the imagery and create a sense of mystery or foreboding. Example: As the morning sun rose over the horizon, a wall of fog descended upon the city, shrouding the streets in a thick, white blanket. The buildings loomed eerily in the distance, their shapes distorted by the dense mist.
"Management has cut through a wall of fog," said Andrew Conway of Morgan Stanley.
Finally, eight or nine hours after the men had fallen behind the fleet, the Farley appeared through a wall of fog and rescued them.
A wall of fog had reduced visibility to less than a quarter-mile in Barrow, a pinprick of a town of 4,500 on Alaska's northernmost skin.
Despite the vaguely satanic attire and persistent wall of fog, Ghost is not the darkest or heaviest of metal.
On the drive home, though, back to Washington, D.C., when we got caught in a wall of fog, our car shaking as trucks roared past, I blurted out in fear, "Any mother whose child is out here tonight would sob!" The recognition that I did not have such a mother struck like an arrow to the throat.
She turns and disappears into the ranks of stones, a ghostly figure swallowed up in a wall of silver fog.
Her character is defined by his landscape, a wall of trees immersed in fog.
Panic sets in before it's revealed that the avalanche is controlled, the wall of snow a harmless fog, and Tomas returns to his brood forever compromised.
The only action occurs in a large three-part image of a wall of picture windows subtitled "Fog in the Living Room," in which one large, possibly horned cloud chases another around a corner, bringing to mind Gerhard Richter's paintings of fuzzy lions.
Through no fault of her own, the France-to- England attempt ended minutes from success when her escort boat hit the wall of Dover harbour in dense fog.
Many ended up in what Kerouac described (in his characteristically Benzedrine-speed prose) as "the fabulous white city of San Francisco on her 11 mystic hills with the blue Pacific and its advancing walls of potato-patch fog beyond and smoke and goldenness in the late afternoon of time".
