tule fog

American  

noun

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

---

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

In these instances, the tule fog lifted relatively quickly, while the blanket of low clouds remained, creating ongoing visibility issues.

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

But I tell you she's a tule fog, Gib.

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