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Flood in Sauk County, Wisconsin

Flood August 29, 2018 – August 30, 2018 · Sauk County, Wisconsin

$4.9M
Damage as recorded
$20K
Crop damage

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

What the National Weather Service wrote

Flood levels continued to rapidly rise on the Baraboo River with near record crests reached in La Valle during the late morning hours on August 29th, and near record in Reedsburg late in the afternoon on August 29th. Evacuations continued in the early morning hours in La Valle on August 29th, while 10-15 persons were evacuated during the early morning hours on August 30th in Rock Springs and North Freedom. Many state and county highways, and bridges, were closed in the aforementioned communities near and along the Baraboo River. The Baraboo River also began to flood farther downstream in the Baraboo area. Other roads, bridges, and lowland areas across northern Sauk County remained flooded and closed from the heavy rains of the last several days. Overall, 116 homes sustained minor flood damage from late August into early September mainly in the communities of La Valle, Reedsburg, Rock Springs, and North Freedom. Many businesses also sustained minor flood damage in these communities.

The wider storm

A line of severe thunderstorms produced widespread wind damage and 18 brief tornadoes across mainly Marquette, Green Lake, Fond du Lac, northern Dodge, and Sheboygan Counties. Flash flooding and river flooding also occurred in several of these areas, especially the Baraboo River in northern Sauk County. The Baraboo River reached major to record flood stage late August into September after 10 to 12 inches of rain over the Baraboo River basin the last two weeks of August.

Began near La Valle (43.6398, -90.0298).

Other tornadoes from the same storm system

10 more tornadoes the National Weather Service filed under this storm episode.

Source: NOAA Storm Events Database, event 782371. Narratives are written by the National Weather Service forecast office that issued the report.

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