We don't have synonyms for tule fog yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are yule log.
(n) :
A thick, persistent ground fog, canonically found in parts of California's Central Valley, where cold air from the Sierra Nevada collects on the valley floor during the cooler part of the year and causes moisture to condense into fog or cold/freezing drizzle.
(n) :
A thick, persistent ground fog, canonically found in parts of California's Central Valley, where cold air from the Sierra Nevada collects on the valley floor during the cooler part of the year and causes moisture to condense into fog or cold/freezing drizzle.