Southern Great Lakes Derecho of 1991
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Southern Great Lakes Derecho of 1991 is the derecho event that occurred on July 7 and 8, 1991. It lasted 17 hours and raced from South Dakota through southern Michigan before dying out over western Pennsylvania. This derecho started in southeastern South Dakota at around 8 A.M. CDT. The derecho moved into northern Iowa causing more damage. Thousands of acres of corn and soybean crops were flattened causing $60 million in damage (1991 dollars).The strongest wind…mehr

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Southern Great Lakes Derecho of 1991 is the derecho event that occurred on July 7 and 8, 1991. It lasted 17 hours and raced from South Dakota through southern Michigan before dying out over western Pennsylvania. This derecho started in southeastern South Dakota at around 8 A.M. CDT. The derecho moved into northern Iowa causing more damage. Thousands of acres of corn and soybean crops were flattened causing $60 million in damage (1991 dollars).The strongest wind gust -- 103 mph (170 km/h) -- was recorded at Sioux Center, Iowa. A school''s roof was blown off in Orange City.