Severe Thunderstorm Winds Hit Fayette County, IA on July 10, 2009

A line of severe thunderstorms moved across northeast Iowa during the early morning hours of July 10, 2009, causing severe wind damage in parts of Fayette County.  The bulk of the damage occurred between the cities of Sumner and Fayette, in about a 2-3 mile wide swath around Highway 93 (or 150th St), from around 3:00 a.m. to 3:30 a.m.

Many barns, outbuildings, and grain bins were damaged or destroyed between 140th and 160th St. in western Fayette County.  Trees around local farms were also broke or knocked down.  Crops in the path of the line of storms were either flattened or shreaded by the combination of 1" hail and strong winds.  Crop losses will be high in this area.  All of the damage surveyed was blown the same direction or in a divergent pattern.  There was no evidence of rotation or tornado activity.  Residents said they had hail for several minutes and high winds.

The image below shows the main damage swath across western Fayette County, IA.  (Click on image to enlarge.)

fayette county iowa damage path july 10 2009

 The Doppler radar animation (or loop) below shows the line of storms from 2:44 a.m. to 3:35 a.m. July 10, 2009.

Damage photos taken near Highway 93 (150th St.) in western Fayette County by a NWS La Crosse survey team. Click on the image(s) to enlarge.

damage photo fayette county wind july 10 2009 damage photo fayette county wind july 10 2009 damage photo fayette county wind july 10 2009
damage photo fayette county wind july 10 2009 damage photo fayette county wind july 10 2009 damage photo fayette county wind july 10 2009



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