Deadly Minnesota tornado upgraded from EF-3 to EF-4

1 person was killed in Wednesday's storm

WCCO Radio Newsroom
July 10, 2020 - 1:32 pm

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Wednesday afternoon's deadly tornado that tore through parts of Grant and Otter Tail counties was upgraded from an EF-3 to and EF-4 on Friday. The storm killed one person and injured two others.

According to the NWS in Grand Forks, the tornado traveled nine miles after developing at 5:08 p.m. 6.5 miles west of Ashby. The twister lifted 5 miles east of Dalton after reaching estimated peak winds of 170 MPH.

Related Local storm chaser shows Otter Tail County Tornado from up close

It was the first EF-4 tornado in Minnesota since August 7, 2010 when  a tornado struck Wilkin County.

Wednesay's tornado rating is a preliminary rating. A final rating will be published in the coming months.

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