March 06, 2018 04:17 PM
The National Weather Service confirmed Tuesday that tornadoes touched down near Zimmerman and Clarks Grove on Monday evening.
The events marked the earliest date in Minnesota history that a tornado was ever recorded, according to the NWS. The previous record was set on March 18, 1968.
The weather service rated the Zimmerman tornado an EF-1, saying its estimated peak winds were 107 mph. The tornado was on the ground for 13 minutes and with a width of 300 yards traveled 8.9 miles.
An F-1 rating generally means a tornado carries wind speeds of between 73 mph and 112 mph and has the potential to damage roofs and siding, send vehicles off roadways, or potentially release mobile homes from moorings.
A survey team in Clarks Grove Tuesday determined the heavy damage there was caused by a tornado, according to Chief Meteorologist Dave Dahl. Clarks Grove is in Sherburne County, more than an hour south of the Twin Cities, near Albert Lea.
Dahl said that tornado also was rated EF-1, sweeping across 12.5 miles of land.
There were no reported injuries or deaths.
Here are the details on yesterday's tornado near Zimmerman in Sherburne county. Final more detailed map will be available later today. pic.twitter.com/GjyRO1pNp9— NWS Twin Cities (@NWSTwinCities) March 7, 2017
According to a Connexus Energy representative, 270 people in the Zimmerman area were still without power as of mid-morning Tuesday.
Meanwhile, the severe storm system pummeled parts of the Midwest overnight, damaging nearly 500 buildings and injuring a dozen people in one Missouri city.
Updated: March 06, 2018 04:17 PM
Created: March 07, 2017 10:22 AM
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