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Ice Tsumami

Posted: May 16 2013 6:07 am
by AZLumberjack
Boy did I leave Arizona too early or what? :o Less than two weeks after our return to a cold Minnesota, we experienced an annual fishing opener like none in recent years. Lake Mille Lacs is a very popular destination for the angling community with the annual migration beginning in mid May as the open water fishing season begins.

The late spring allowed the large lake (17 miles North/South by 13 miles East/West) to hold on to its protective ice covering longer than normal. Now add in winds of 35mph with gusts up to 50mph and something's got to give. Lake Mille Lacs is shallow for its size with an average depth of 35ft so it often acts like a dishpan with water sloshing from side to side like a tidal action. This unusual phenomena will occur about once every 25 years allowing the builders to encroach ever closer to the lake as the memories fade.

A steep rocky shore allows the ice to pile up as high as 50ft in places, but if the shore's tapered, the ice creeps hundreds of feet from the shore line (and tearing up out-buildings) as can be seen in the video. Listen closely to the sounds of the ice moving, at times it sounds like an old locomotive chuffing along.

https://www.youtube.com/watch?v=0EyfEDKWscg&sns=em

Re: Ice Tsumami

Posted: May 16 2013 6:16 am
by beterarcher
@mnlumberjack
That made the news here. It looks pretty scary. I wouldn't want to build on the shores of that lake. Moving water is one thing but moving ice..... :scared:

Re: Ice Tsumami

Posted: May 16 2013 6:26 am
by azbackpackr
That's a new one on me! I sent the link to my DIL who's from MN, but I bet she's heard of the phenomenon before.

Re: Ice Tsumami

Posted: May 16 2013 7:18 am
by SuperstitionGuy
Time lapse photography would be great for this unusual event.

Re: Ice Tsumami

Posted: May 16 2013 10:14 am
by Sun_Ray
Wow, very interesting. Score one for mother nature.