Check out this video of waterspouts on a northern Minnesota lake - Bring Me The News

Check out this video of waterspouts on a northern Minnesota lake

Facebook images from Cut Foot Sioux Resort have been shared 1,500 times.

Anyone out by Lake Winnibigoshish Thursday evening took in a heck of a sight.

Waterspouts sprung up on the northern Minnesota lake, which is between Bemidji and Grand Rapids. Cut Foot Sioux Resort, a fishing getaway, posted photos and video on Facebook:

Their post has been shared more than 1,500 times now.

Lakeland Public Television reports emergency management in the area didn't issue any warnings or sirens because the waterspouts were pretty weak.

How waterspouts happen

Waterspouts are generally just air and mist getting swirled around, the NOAA says.

There are two types – one that starts out as an actual tornado (which are rare); and then "fair-weather" waterspouts, which are way more common and generally not dangerous, National Geographic explains.

They form because of a temperature difference, according to The Weather Channel. Warm water evaporates into the air, turning into clouds that cool down slower than the dry air.

That leads to instability and a strong updraft in the clouds. When winds blowing side-to-side along the water's surface hit the updraft, it turns into a funnel, the channel says.

They usually form in humid regions, but can happen anywhere.

They're not very common in Minnesota, though do pop up occasionally, including in the winter over Lake Superior, and on a summer morning in Prior Lake.

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