Weather
A weather phenomenon known as a derecho unleashed damaging wind storms across the region last week. Not only is this massive wind storm relatively rare, but it is unusual for it to form so early in the season.
About half of tornado deaths occur in the strongest one percent of tornadoes.
The image consists of an array of radiation surrounding an invisible, black disc.
People in the south side of town were hard at work cleaning up their yards after a storm uprooted trees and damaged homes.
Storms that swept across South Dakota and western and central Minnesota on Thursday night brought damaging winds that downed trees and power lines and destroyed buildings.
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Ryan Leif Erickson, 63, had been a Blomkest volunteer firefighter since the age of 18. He died in the line of duty Thursday when a large grain bin was blown over by the high winds and fell on him as he was preparing to leave his farm to monitor storms.
Damaging wind storms raked eastern South Dakota, with the top gust clocked at 107 mph in Tripp, south of Mitchell. Teams are assessing the damage.
More than 70,000 homes and businesses remained without power across the region early Friday as damage assessment and cleanup continued after the second straight night of widespread severe weather.
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John Wheeler
Jared Piepenburg
Lydia Blume
Jesse Ritka
Robert Poynter
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