Thunderstorm Wind in Benton County, Washington

Thunderstorm Wind May 14, 2011 · Benton County, Washington

59 mph

Measured gust (51 kt)

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

The wider storm

An upper level low pressure system moved over the Pacific Northwest. Moist and unstable conditions ahead of the low triggered widespread thunderstorms with heavy rainfall and isolated large hail. This combined with the abundant spring snow-pack and wet ground to cause flooding. A 75 yard wide mudslide closed Highway 410 at milepost 87. As the upper low brought colder air. late season heavy snow ended the episode in the Blue Mountains. Snowfall amounts in inches included Touchet Snotel (7).

Began near (rld)richland Arpt (46.3000, -119.3000).

Source: NOAA Storm Events Database, event 312816. Narratives are written by the National Weather Service forecast office that issued the report.

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