Flood in Napa County, California

Flood November 29, 2018 · Napa County, California

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Golden Gate Dr in Napa area.

The wider storm

A mid/upper level low moved through the region at the end of November. A cool unstable air mass allowed for the development of scattered thunderstorms across the region that produced lightning and small hail. An associated surface low approached the coast during this time causing high surf and gusty winds. Some locations saw wave heights above 25 feet. This system caused roadway flooding, minor debris flows, and downed trees along with damage from gusty winds.

Began near West Napa (38.2800, -122.3007).

Source: NOAA Storm Events Database, event 788882. Narratives are written by the National Weather Service forecast office that issued the report.

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