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Pressure Ridges


Pikester

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I am just wondering what causes these to happen. Obviously it is pressure but why do they seem to happen in the same spots year after year on some lakes? Can anyone go in depth on this? Much appreciated.

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When the ice sheet is colder (-10/-20 degrees) it contracts. When it contracts/shrinks it cracks. Water fills the cracks and freezes. Then when the weather warms up the ice tries to expand again but can not because the cracks have filled up and frozen. Pressure builds up until it blows a pressure ridge. Most years this will happen where the ice sheet is the weakest and stay in that place all winter. Last winter the pressure ridges kept moving to new areas. We think it was because a majority of the ice sheet froze very fast in extreem cold causing what the old-timers called "Brittle Ice". The ice sheet on URL will expand or contract about 12 feet with a 40 degree temputure change. A sudden change from -20 to +20 will be the ugly days.

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Some times they probably are self induced like the morning after the night b/4.

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Thanks for the info Kelly. Ill be giving you a call this fall to reserve a house for a couple weekends. Take care.

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Say der kelly-p.

could ya' be kind enough to give me da' coordinants of where ya' plan ta' put da' ridges dis' year so's I can enter it inta my GPS?

thanks buddy, you're a real pal.

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.....and if ya's really feelin' friendly, could ya' tell me where to drill a hole on January 13th at 3:37 pm so's I can catch a limit of Crappies without any peskys perches or Wallinhylers?????

thanks again, you're a swell guy

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That fits, FRIDAY THE 13th and UJ fishing. shocked.gif I have some really good ideas for 3:30 and 3:41 but nothing for 3:37. frown.gif We'll just have to do it like last year. I tell you where I think you should fish and you go somewhere else and get into them so good you don't even get into your lunch before you're limited. grin.gif

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what time of the year do you start taking reservations for your ice houses and how much for weekdays and how much for weekends thanks in advance

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In late Oct. we start taking reservations. Any sooner and peoples plans tend to change alot. As every day of the week is equally busy weekends and weekdays are the same rate. More and more people are looking for Tuesday/Thursday to avoid the weekend zoo out there.

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