Regional meteorologists were aware of the potential for thunderstorms because of the low pressure system and the intense heat and moisture. Entering Wisconsin around p.m., the storm devastated approximately 4,800 square miles of St Croix, Pierce, Dunn, Eau Claire, Chippewa, and Clark counties; the band of damage was more than 40 miles wide.
The storm system formed in eastern Minnesota during the early evening of July 15, when a boater was killed on Prior Lake. The greatest destruction occurred from Menomonie through Eau Claire.
More than 10,000 farms were initially without power after the storm.
Wisconsin National Guard and the DNR delivered water to farms.
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Vernon County's historic past is reflected in its well-preserved architectural treasures, churches, homes, log buildings, river front inns, farm and commercial buildings listed in the National Register of Historic Places.
TTY users call Wisconsin Relay at 800-701-1251 or 711.
The Western Wisconsin Derecho was a derecho, or severe weather system, that occurred through several counties of Western Wisconsin on July 15, 1980.There were reports of cattle that had gone without water for 36 hours.Numerous concrete stave silos on the small Wisconsin dairy farms were blown in half with only the bottom half showing.Auxiliary aids and services are available upon request to individuals with disabilities.Contact Julie Mitchell, EEO Officer for assistance at 608-789-4584 or [email protected] of the previous nine days in the Twin Cities had highs above 90 °F (32 °C). On 14 July, the day before the storm, the high was 99 °F (37 °C); the overnight low was a sticky 79 °F (26 °C). on the afternoon of July 15, a weak area of low pressure was stationed over eastern South Dakota, adjacent to a warm front that extended southeast through southern Minnesota into eastern Iowa.