tule fog

American  

noun

1. dense ground fog that occurs in low-lying areas of the Central Valley of California.

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Example Sentences

Then, for years, tule fog seemed to form less often.

From The Wall Street Journal • Mar. 29, 2026

This tule fog upended that trend, thanks to the exceptional fall weather conditions.

From The Wall Street Journal • Mar. 29, 2026

Before and during this 16-day stretch, some areas in this region have seen thick, dangerously opaque tule fog form briefly, slashing visibility to virtually zero.

From Los Angeles Times • Dec. 9, 2025

Farmworkers in California's Central Valley know that when the tule fog settles over the ground after a heavy rain, some of them are about to get sick.

From Scientific American • Sep. 23, 2023

However, to return to the Maggie which we left entering the tule fog a few miles north of Pilar Point:

From Captain Scraggs or, The Green-Pea Pirates by Grant, Gordon