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Flash Flood in Mitchell County, Iowa

Flash Flood May 19, 2013 – May 20, 2013 · Mitchell County, Iowa

$4.5M
Damage as recorded
$20.0M
Crop damage

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

What the National Weather Service wrote

Heavy rain produced wide spread flash flooding across much of Mitchell County. Numerous roads around Stacyville were under water by early evening and sand bagging occurred along the Little Cedar River. U.S. Highway 218 was closed by flooding between Osage and St. Ansgar and State Highway 9 was closed east and west of Osage. West of Osage, two culverts were washed away, causing a section of Highway 9 to collapse. A total of 22 roads were closed, 6 to 8 bridges washed out and approximately 90 percent of the gravel roads across the entire county were covered with water. Damage to the roads was estimated to be around $4.5 million. In addition to all the road damage, a railroad bridge north of St. Ansgar was also washed out. The Stacyville fire department reported between 6 and 7 inches of rain had fallen during the mid and late afternoon hours. The heavy rains also took out about 15 percent of the county's corn crop.

The wider storm

Several rounds of thunderstorms rolled across northeast Iowa during the afternoon and evening of May 19th. These storms produced very heavy rains across Floyd and Mitchell Counties where numerous roads were washed out or covered with flood waters. Damage to roads in Mitchell County was estimated to be around $4.5 million where 22 roads were closed with 6 to 8 bridges washed out. The heavy rain also damaged the corn crop in Mitchell County where it is estimated up to 15 percent of the crop will not grow back. The storms also produced damaging winds that destroyed buildings and blew down trees and power lines. Barns were blown down in Floyd and Mitchell Counties while a grain elevator was damaged near Fredericksburg (Chickasaw County). Flood waters on the Little Cedar River east of Charles City (Floyd County) damaged a railroad bridge causing an 80 car train to derail into the river. The two employees on the train were rescued without sustaining any injuries. The Iowa Governor requested a Presidential Disaster Declaration be made for Mitchell, Floyd, Chickasaw, Fayette and Clayton Counties.

Began near Otranto (43.4900, -93.0200).

Source: NOAA Storm Events Database, event 447113. Narratives are written by the National Weather Service forecast office that issued the report.

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