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The storms that moved through the Twin Cities Saturday spawned a rare nighttime tornado that damaged homes and downed trees and power lines.

According to the National Weather Service, the tornado cut a nine-mile path of damage through Long Lake, Orono and Plymouth.

It was rated an EF1, which means its winds were blowing at 86 to 110 miles per hour.

Sunday, daylight allowed homeowners, power company crews and National Weather Service officials to survey the scene.

Todd Krause with the National Weather Service said, "There was all the indications on radar, all the storm spotters, all the storm chasers, all the video. There's no doubt there was a tornado."

The storm damaged more than 40 homes in Plymouth. 5 EYEWITNESS crews spotted shingles torn off roofs, boats overturned and dozens of trees down.

Homeowner Alan Killian said, "We had a whole bunch of trees in the back there and they're all gone."

Killian was camping with his family when the storm hit, but another homeowner watched the tornado move in.

Dick Ellis said, "We were at the top of the stairs and diving to the basement to get into the closet. And, it was at that moment the air pressure caused our ears to pop and we said 'It's that close.'"

Southwest of Plymouth in Long Lake, the storms damaged six or seven businesses. At a strip mall, winds tore off part of the roof and sheared a sign off of its base.

Trained spotters from the Weather Service also reported a tornado across the border northwest of Hudson, Wisconsin. But, the Weather Service hasn't confirmed a second tornado.

At the peak of the storm, around 10 p.m. Saturday, nearly 11,500 homes in the western suburbs lost power, but crews restored power to most within 50 minutes.

Nighttime tornados are rare since the air generally cools near the earth's surface after sunset. They can be particularly dangerous since the storms cannot be seen. But, there were not reports of injuries.