High Wind in Western Lemhi County, Idaho

High Wind December 29, 2011 · Western Lemhi County, Idaho

81 mph

Measured gust (70 kt)

What the National Weather Service wrote

The Skull Gulch RAWS, 11 miles west-southwest of Shoup, reported a gust of 81 mph.

The wider storm

A large and complex weather system from the Pacific moved across north central Idaho to end the year. This system had three major impacts on the region. First, a tight surface pressure gradient, along with strong upper level winds produced high surface winds. Second, abundant moisture with this system produced some heavy snowfall over the mountains, but since the air mass was warm, the lower elevations received a mix of rain and snow. Third, the warm, moist air mass produced areas of heavy rain which produced rock slides and the release of ice jams.

Source: NOAA Storm Events Database, event 356626. Narratives are written by the National Weather Service forecast office that issued the report.

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