High Wind in Napa County, California

High Wind December 20, 2017 · Napa County, California

72 mph

Measured gust (63 kt)

What the National Weather Service wrote

Strong winds surfaced below the San Gorgonio Pass with areas of blowing dust. The Whitewater mesonet station reported wind gusts over 70 mph for 3 hours.

The wider storm

A moderate strength upper level trough slid through the Great Basin, with upper level support that set up in a favorable position for mountain wave activity on the west slopes of the Southern California mountains on the 20th. An amazing 110 mph wind gust occurred in Burns Canyon with a surfacing mountain wave. Major dust issues were reported in the Mojave Desert.

Source: NOAA Storm Events Database, event 731514. Narratives are written by the National Weather Service forecast office that issued the report.

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