Flood in La Crosse County, Wisconsin
Flood July 20, 2017 – July 21, 2017 · La Crosse County, Wisconsin
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
After the initial round of flash flooding, the flood waters continued to cause problems into Friday, July 21st. Numerous roads across the county remained closed until the flood waters receded.
The wider storm
After a round of severe thunderstorms moved across western Wisconsin, a second round of thunderstorms developed over much of the same area during the late evening of July 19th into the early morning of the 20th. These storms produced torrential rains with rainfall totals of 6 to 8 inches common from northern Buffalo County southeast into Richland and Grant Counties. Arcadia (Trempealeau County) was hit the hardest as all roads into town were closed and water rescues had to be performed. Residents of the town of Greenfield (La Crosse County) had to be evacuated from flood waters along Mormon Creek. Some of these evacuations had to be made using a boat. A mudslide covered part of State Highway 37 north of Alma (Buffalo County), flood waters from the Kickapoo River closed State Highways 33 and 131 in Ontario (Vernon County) and flood waters from the Pine River closed State Highway 80 north of Richland Center (Richland County). The Governor of Wisconsin declared a state of emergency for Buffalo, Crawford, Grant, Jackson, Juneau, La Crosse, Monroe, Richland, Trempealeau and Vernon Counties. A federal disaster declaration was made for Buffalo, Crawford, Grant, Jackson, La Crosse, Monroe, Richland, Trempealeau and Vernon Counties.
Began near Stevenstown (44.0706, -91.1511).
Source: NOAA Storm Events Database, event 714323. Narratives are written by the National Weather Service forecast office that issued the report.
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